Question

Hello,

I'm new to DataObjects.net and i'm using the latest version.

When I try to read records out of my old database with a regular datareader and insert them with DO4, the performance is terrible.. (40 seconds for 200.000 records..) Here is my code, I hope you can see what i'm doing wrong...:

using (var transactionScope = Transaction.Open())
            {
                while (myReader.Read())
                {
                    Core.Model.AppointmentCore _appointment = new Core.Model.AppointmentCore();

                    _appointment.start_appointment = Convert.ToDateTime(myReader["start_appointment"].ToString());
                    _appointment.end_appointment = Convert.ToDateTime(myReader["end_appointment"].ToString());
                    _appointment.description = myReader["description"].ToString();

                    _appointments.Add(_appointment);
                }
                transactionScope.Complete();
            }

I've set the BatchSize to 10.000 (or more), but this doesn't make much of a difference.. Removing the transaction doens't improve anything.

Is there anything else I can try?

Updated at 28.04.2010 9:57:56

Hello, Try splitting one huge transaction into multiple ones (10-20k items); using batch size over 256-512 elements is also not recommended. BTW, what '_appointments' variable is?

I'm sorry:

List<Core.Model.AppointmentCore> _appointments = new List<Core.Model.AppointmentCore>();

[Serializable]
    [HierarchyRoot(InheritanceSchema = InheritanceSchema.SingleTable)]
    public class AppointmentCore : Entity
    {
        [Key, Field]
        public long ID { get; private set; }

        [Field]
        public DateTime start_appointment { get; set; }

        [Field]
        public DateTime end_appointment { get; set; }

        [Field]
        public string description { get; set; }

        public AppointmentCore()
        {
        }

        public AppointmentCore(long ID, DateTime start_appointment, DateTime end_appointment, string description)
        {
            this.ID = ID;
            this.start_appointment = start_appointment;
            this.end_appointment = end_appointment;
            this.description = description;
        }
    }

Updated at 28.04.2010 11:06:59

I've deleted the SQL Datareader to make sure there was no overhead there... Just adding static date's and strings now in batches of 10.000 items per transaction (total of 200.000, and batchsize set to 250):

for (int y = 0; y < 20; y++)
            {
                using (var transactionScope = Transaction.Open())
                {
                    for (int i = 0; i < 10000; i++)
                    {
                        MPX.BL.Core.Model.AppointmentCore _appointment = new MPX.BL.Core.Model.AppointmentCore();

                        _appointment.start_appointment = new DateTime(2000, 1, 1);
                        _appointment.end_appointment = new DateTime(2003, 1, 1);
                        _appointment.description = "test";
                    }
                    transactionScope.Complete();
                }
            }

As you can see i've removed the _appointments list...

Here is my SQL Profiler output: 1.

INSERT INTO [dbo].[Int64-Generator] DEFAULT VALUES;
SELECT SCOPE_IDENTITY();

2.

exec sp_executesql N'INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p1_0, @p1_1, @p1_2, @p1_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p2_0, @p2_1, @p2_2, @p2_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p3_0, @p3_1, @p3_2, @p3_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p4_0, @p4_1, @p4_2, @p4_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p5_0, @p5_1, @p5_2, @p5_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p6_0, @p6_1, @p6_2, @p6_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p7_0, @p7_1, @p7_2, @p7_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p8_0, @p8_1, @p8_2, @p8_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p9_0, @p9_1, @p9_2, @p9_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p10_0, @p10_1, @p10_2, @p10_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p11_0, @p11_1, @p11_2, @p11_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p12_0, @p12_1, @p12_2, @p12_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p13_0, @p13_1, @p13_2, @p13_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p14_0, @p14_1, @p14_2, @p14_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p15_0, @p15_1, @p15_2, @p15_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p16_0, @p16_1, @p16_2, @p16_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p17_0, @p17_1, @p17_2, @p17_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p18_0, @p18_1, @p18_2, @p18_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p19_0, @p19_1, @p19_2, @p19_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p20_0, @p20_1, @p20_2, @p20_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p21_0, @p21_1, @p21_2, @p21_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p22_0, @p22_1, @p22_2, @p22_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p23_0, @p23_1, @p23_2, @p23_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p24_0, @p24_1, @p24_2, @p24_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p25_0, @p25_1, @p25_2, @p25_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p26_0, @p26_1, @p26_2, @p26_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p27_0, @p27_1, @p27_2, @p27_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p28_0, @p28_1, @p28_2, @p28_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p29_0, @p29_1, @p29_2, @p29_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p30_0, @p30_1, @p30_2, @p30_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p31_0, @p31_1, @p31_2, @p31_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p32_0, @p32_1, @p32_2, @p32_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p33_0, @p33_1, @p33_2, @p33_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p34_0, @p34_1, @p34_2, @p34_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p35_0, @p35_1, @p35_2, @p35_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p36_0, @p36_1, @p36_2, @p36_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p37_0, @p37_1, @p37_2, @p37_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p38_0, @p38_1, @p38_2, @p38_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p39_0, @p39_1, @p39_2, @p39_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p40_0, @p40_1, @p40_2, @p40_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p41_0, @p41_1, @p41_2, @p41_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p42_0, @p42_1, @p42_2, @p42_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p43_0, @p43_1, @p43_2, @p43_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p44_0, @p44_1, @p44_2, @p44_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p45_0, @p45_1, @p45_2, @p45_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p46_0, @p46_1, @p46_2, @p46_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p47_0, @p47_1, @p47_2, @p47_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p48_0, @p48_1, @p48_2, @p48_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p49_0, @p49_1, @p49_2, @p49_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p50_0, @p50_1, @p50_2, @p50_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p51_0, @p51_1, @p51_2, @p51_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p52_0, @p52_1, @p52_2, @p52_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p53_0, @p53_1, @p53_2, @p53_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p54_0, @p54_1, @p54_2, @p54_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p55_0, @p55_1, @p55_2, @p55_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p56_0, @p56_1, @p56_2, @p56_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p57_0, @p57_1, @p57_2, @p57_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p58_0, @p58_1, @p58_2, @p58_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p59_0, @p59_1, @p59_2, @p59_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p60_0, @p60_1, @p60_2, @p60_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p61_0, @p61_1, @p61_2, @p61_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p62_0, @p62_1, @p62_2, @p62_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p63_0, @p63_1, @p63_2, @p63_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p64_0, @p64_1, @p64_2, @p64_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p65_0, @p65_1, @p65_2, @p65_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p66_0, @p66_1, @p66_2, @p66_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p67_0, @p67_1, @p67_2, @p67_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p68_0, @p68_1, @p68_2, @p68_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p69_0, @p69_1, @p69_2, @p69_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p70_0, @p70_1, @p70_2, @p70_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p71_0, @p71_1, @p71_2, @p71_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p72_0, @p72_1, @p72_2, @p72_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p73_0, @p73_1, @p73_2, @p73_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p74_0, @p74_1, @p74_2, @p74_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p75_0, @p75_1, @p75_2, @p75_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p76_0, @p76_1, @p76_2, @p76_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p77_0, @p77_1, @p77_2, @p77_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p78_0, @p78_1, @p78_2, @p78_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p79_0, @p79_1, @p79_2, @p79_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p80_0, @p80_1, @p80_2, @p80_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p81_0, @p81_1, @p81_2, @p81_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p82_0, @p82_1, @p82_2, @p82_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p83_0, @p83_1, @p83_2, @p83_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p84_0, @p84_1, @p84_2, @p84_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p85_0, @p85_1, @p85_2, @p85_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p86_0, @p86_1, @p86_2, @p86_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p87_0, @p87_1, @p87_2, @p87_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p88_0, @p88_1, @p88_2, @p88_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p89_0, @p89_1, @p89_2, @p89_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p90_0, @p90_1, @p90_2, @p90_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p91_0, @p91_1, @p91_2, @p91_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p92_0, @p92_1, @p92_2, @p92_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p93_0, @p93_1, @p93_2, @p93_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p94_0, @p94_1, @p94_2, @p94_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p95_0, @p95_1, @p95_2, @p95_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p96_0, @p96_1, @p96_2, @p96_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p97_0, @p97_1, @p97_2, @p97_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p98_0, @p98_1, @p98_2, @p98_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p99_0, @p99_1, @p99_2, @p99_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p100_0, @p100_1, @p100_2, @p100_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p101_0, @p101_1, @p101_2, @p101_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p102_0, @p102_1, @p102_2, @p102_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p103_0, @p103_1, @p103_2, @p103_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p104_0, @p104_1, @p104_2, @p104_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p105_0, @p105_1, @p105_2, @p105_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p106_0, @p106_1, @p106_2, @p106_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p107_0, @p107_1, @p107_2, @p107_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p108_0, @p108_1, @p108_2, @p108_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p109_0, @p109_1, @p109_2, @p109_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p110_0, @p110_1, @p110_2, @p110_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p111_0, @p111_1, @p111_2, @p111_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p112_0, @p112_1, @p112_2, @p112_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p113_0, @p113_1, @p113_2, @p113_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p114_0, @p114_1, @p114_2, @p114_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p115_0, @p115_1, @p115_2, @p115_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p116_0, @p116_1, @p116_2, @p116_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p117_0, @p117_1, @p117_2, @p117_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p118_0, @p118_1, @p118_2, @p118_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p119_0, @p119_1, @p119_2, @p119_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p120_0, @p120_1, @p120_2, @p120_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p121_0, @p121_1, @p121_2, @p121_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p122_0, @p122_1, @p122_2, @p122_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p123_0, @p123_1, @p123_2, @p123_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p124_0, @p124_1, @p124_2, @p124_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p125_0, @p125_1, @p125_2, @p125_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p126_0, @p126_1, @p126_2, @p126_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p127_0, @p127_1, @p127_2, @p127_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p128_0, @p128_1, @p128_2, @p128_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p129_0, @p129_1, @p129_2, @p129_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p130_0, @p130_1, @p130_2, @p130_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p131_0, @p131_1, @p131_2, @p131_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p132_0, @p132_1, @p132_2, @p132_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p133_0, @p133_1, @p133_2, @p133_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p134_0, @p134_1, @p134_2, @p134_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p135_0, @p135_1, @p135_2, @p135_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p136_0, @p136_1, @p136_2, @p136_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p137_0, @p137_1, @p137_2, @p137_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p138_0, @p138_1, @p138_2, @p138_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p139_0, @p139_1, @p139_2, @p139_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p140_0, @p140_1, @p140_2, @p140_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p141_0, @p141_1, @p141_2, @p141_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p142_0, @p142_1, @p142_2, @p142_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p143_0, @p143_1, @p143_2, @p143_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p144_0, @p144_1, @p144_2, @p144_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p145_0, @p145_1, @p145_2, @p145_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p146_0, @p146_1, @p146_2, @p146_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p147_0, @p147_1, @p147_2, @p147_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p148_0, @p148_1, @p148_2, @p148_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p149_0, @p149_1, @p149_2, @p149_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p150_0, @p150_1, @p150_2, @p150_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p151_0, @p151_1, @p151_2, @p151_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p152_0, @p152_1, @p152_2, @p152_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p153_0, @p153_1, @p153_2, @p153_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p154_0, @p154_1, @p154_2, @p154_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p155_0, @p155_1, @p155_2, @p155_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p156_0, @p156_1, @p156_2, @p156_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p157_0, @p157_1, @p157_2, @p157_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p158_0, @p158_1, @p158_2, @p158_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p159_0, @p159_1, @p159_2, @p159_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p160_0, @p160_1, @p160_2, @p160_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p161_0, @p161_1, @p161_2, @p161_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p162_0, @p162_1, @p162_2, @p162_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p163_0, @p163_1, @p163_2, @p163_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p164_0, @p164_1, @p164_2, @p164_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p165_0, @p165_1, @p165_2, @p165_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p166_0, @p166_1, @p166_2, @p166_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p167_0, @p167_1, @p167_2, @p167_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p168_0, @p168_1, @p168_2, @p168_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p169_0, @p169_1, @p169_2, @p169_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p170_0, @p170_1, @p170_2, @p170_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p171_0, @p171_1, @p171_2, @p171_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p172_0, @p172_1, @p172_2, @p172_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p173_0, @p173_1, @p173_2, @p173_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p174_0, @p174_1, @p174_2, @p174_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p175_0, @p175_1, @p175_2, @p175_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p176_0, @p176_1, @p176_2, @p176_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p177_0, @p177_1, @p177_2, @p177_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p178_0, @p178_1, @p178_2, @p178_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p179_0, @p179_1, @p179_2, @p179_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p180_0, @p180_1, @p180_2, @p180_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p181_0, @p181_1, @p181_2, @p181_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p182_0, @p182_1, @p182_2, @p182_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p183_0, @p183_1, @p183_2, @p183_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p184_0, @p184_1, @p184_2, @p184_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p185_0, @p185_1, @p185_2, @p185_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p186_0, @p186_1, @p186_2, @p186_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p187_0, @p187_1, @p187_2, @p187_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p188_0, @p188_1, @p188_2, @p188_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p189_0, @p189_1, @p189_2, @p189_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p190_0, @p190_1, @p190_2, @p190_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p191_0, @p191_1, @p191_2, @p191_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p192_0, @p192_1, @p192_2, @p192_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p193_0, @p193_1, @p193_2, @p193_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p194_0, @p194_1, @p194_2, @p194_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p195_0, @p195_1, @p195_2, @p195_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p196_0, @p196_1, @p196_2, @p196_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p197_0, @p197_1, @p197_2, @p197_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p198_0, @p198_1, @p198_2, @p198_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p199_0, @p199_1, @p199_2, @p199_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p200_0, @p200_1, @p200_2, @p200_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p201_0, @p201_1, @p201_2, @p201_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p202_0, @p202_1, @p202_2, @p202_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p203_0, @p203_1, @p203_2, @p203_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p204_0, @p204_1, @p204_2, @p204_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p205_0, @p205_1, @p205_2, @p205_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p206_0, @p206_1, @p206_2, @p206_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p207_0, @p207_1, @p207_2, @p207_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p208_0, @p208_1, @p208_2, @p208_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p209_0, @p209_1, @p209_2, @p209_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p210_0, @p210_1, @p210_2, @p210_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p211_0, @p211_1, @p211_2, @p211_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p212_0, @p212_1, @p212_2, @p212_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p213_0, @p213_1, @p213_2, @p213_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p214_0, @p214_1, @p214_2, @p214_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p215_0, @p215_1, @p215_2, @p215_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p216_0, @p216_1, @p216_2, @p216_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p217_0, @p217_1, @p217_2, @p217_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p218_0, @p218_1, @p218_2, @p218_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p219_0, @p219_1, @p219_2, @p219_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p220_0, @p220_1, @p220_2, @p220_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p221_0, @p221_1, @p221_2, @p221_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p222_0, @p222_1, @p222_2, @p222_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p223_0, @p223_1, @p223_2, @p223_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p224_0, @p224_1, @p224_2, @p224_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p225_0, @p225_1, @p225_2, @p225_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p226_0, @p226_1, @p226_2, @p226_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p227_0, @p227_1, @p227_2, @p227_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p228_0, @p228_1, @p228_2, @p228_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p229_0, @p229_1, @p229_2, @p229_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p230_0, @p230_1, @p230_2, @p230_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p231_0, @p231_1, @p231_2, @p231_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p232_0, @p232_1, @p232_2, @p232_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p233_0, @p233_1, @p233_2, @p233_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p234_0, @p234_1, @p234_2, @p234_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p235_0, @p235_1, @p235_2, @p235_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p236_0, @p236_1, @p236_2, @p236_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p237_0, @p237_1, @p237_2, @p237_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p238_0, @p238_1, @p238_2, @p238_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p239_0, @p239_1, @p239_2, @p239_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p240_0, @p240_1, @p240_2, @p240_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p241_0, @p241_1, @p241_2, @p241_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p242_0, @p242_1, @p242_2, @p242_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p243_0, @p243_1, @p243_2, @p243_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p244_0, @p244_1, @p244_2, @p244_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p245_0, @p245_1, @p245_2, @p245_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p246_0, @p246_1, @p246_2, @p246_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p247_0, @p247_1, @p247_2, @p247_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p248_0, @p248_1, @p248_2, @p248_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p249_0, @p249_1, @p249_2, @p249_3);
INSERT INTO [dbo].[AppointmentCore] ([ID], [start_appointment], [end_appointment], [description]) VALUES (@p250_0, @p250_1, @p250_2, @p250_3);
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datetime,@p209_2 datetime,@p209_3 nvarchar(4),@p210_0 bigint,@p210_1 datetime,@p210_2 datetime,@p210_3 nvarchar(4),@p211_0 bigint,@p211_1 datetime,@p211_2 datetime,@p211_3 nvarchar(4),@p212_0 bigint,@p212_1 datetime,@p212_2 datetime,@p212_3 nvarchar(4),@p213_0 bigint,@p213_1 datetime,@p213_2 datetime,@p213_3 nvarchar(4),@p214_0 bigint,@p214_1 datetime,@p214_2 datetime,@p214_3 nvarchar(4),@p215_0 bigint,@p215_1 datetime,@p215_2 datetime,@p215_3 nvarchar(4),@p216_0 bigint,@p216_1 datetime,@p216_2 datetime,@p216_3 nvarchar(4),@p217_0 bigint,@p217_1 datetime,@p217_2 datetime,@p217_3 nvarchar(4),@p218_0 bigint,@p218_1 datetime,@p218_2 datetime,@p218_3 nvarchar(4),@p219_0 bigint,@p219_1 datetime,@p219_2 datetime,@p219_3 nvarchar(4),@p220_0 bigint,@p220_1 datetime,@p220_2 datetime,@p220_3 nvarchar(4),@p221_0 bigint,@p221_1 datetime,@p221_2 datetime,@p221_3 nvarchar(4),@p222_0 bigint,@p222_1 datetime,@p222_2 datetime,@p222_3 nvarchar(4),@p223_0 bigint,@p223_1 datetime,@p223_2 datetime,@p223_3 nvarchar(4),@p224_0 bigint,@p224_1 datetime,@p224_2 datetime,@p224_3 nvarchar(4),@p225_0 bigint,@p225_1 datetime,@p225_2 datetime,@p225_3 nvarchar(4),@p226_0 bigint,@p226_1 datetime,@p226_2 datetime,@p226_3 nvarchar(4),@p227_0 bigint,@p227_1 datetime,@p227_2 datetime,@p227_3 nvarchar(4),@p228_0 bigint,@p228_1 datetime,@p228_2 datetime,@p228_3 nvarchar(4),@p229_0 bigint,@p229_1 datetime,@p229_2 datetime,@p229_3 nvarchar(4),@p230_0 bigint,@p230_1 datetime,@p230_2 datetime,@p230_3 nvarchar(4),@p231_0 bigint,@p231_1 datetime,@p231_2 datetime,@p231_3 nvarchar(4),@p232_0 bigint,@p232_1 datetime,@p232_2 datetime,@p232_3 nvarchar(4),@p233_0 bigint,@p233_1 datetime,@p233_2 datetime,@p233_3 nvarchar(4),@p234_0 bigint,@p234_1 datetime,@p234_2 datetime,@p234_3 nvarchar(4),@p235_0 bigint,@p235_1 datetime,@p235_2 datetime,@p235_3 nvarchar(4),@p236_0 bigint,@p236_1 datetime,@p236_2 datetime,@p236_3 nvarchar(4),@p237_0 bigint,@p237_1 datetime,@p237_2 datetime,@p237_3 nvarchar(4),@p238_0 bigint,@p238_1 datetime,@p238_2 datetime,@p238_3 nvarchar(4),@p239_0 bigint,@p239_1 datetime,@p239_2 datetime,@p239_3 nvarchar(4),@p240_0 bigint,@p240_1 datetime,@p240_2 datetime,@p240_3 nvarchar(4),@p241_0 bigint,@p241_1 datetime,@p241_2 datetime,@p241_3 nvarchar(4),@p242_0 bigint,@p242_1 datetime,@p242_2 datetime,@p242_3 nvarchar(4),@p243_0 bigint,@p243_1 datetime,@p243_2 datetime,@p243_3 nvarchar(4),@p244_0 bigint,@p244_1 datetime,@p244_2 datetime,@p244_3 nvarchar(4),@p245_0 bigint,@p245_1 datetime,@p245_2 datetime,@p245_3 nvarchar(4),@p246_0 bigint,@p246_1 datetime,@p246_2 datetime,@p246_3 nvarchar(4),@p247_0 bigint,@p247_1 datetime,@p247_2 datetime,@p247_3 nvarchar(4),@p248_0 bigint,@p248_1 datetime,@p248_2 datetime,@p248_3 nvarchar(4),@p249_0 bigint,@p249_1 datetime,@p249_2 datetime,@p249_3 nvarchar(4),@p250_0 bigint,@p250_1 datetime,@p250_2 datetime,@p250_3 nvarchar(4)',@p1_0=101379,@p1_1='Jan  1 2000 12:00:00:000AM',@p1_2='Jan  1 2003 12:00:00:000AM',@p1_3=N'test',@p2_0=101380,@p2_1='Jan  1 2000 12:00:00:000AM',@p2_2='Jan  1 2003 12:00:00:000AM',@p2_3=N'test',@p3_0=101381,@p3_1='Jan  1 2000 12:00:00:000AM',@p3_2='Jan  1 2003 12:00:00:000AM',@p3_3=N'test',@p4_0=101382,@p4_1='Jan  1 2000 12:00:00:000AM',@p4_2='Jan  1 2003 12:00:00:000AM',@p4_3=N'test',@p5_0=101383,@p5_1='Jan  1 2000 12:00:00:000AM',@p5_2='Jan  1 2003 12:00:00:000AM',@p5_3=N'test',@p6_0=101384,@p6_1='Jan  1 2000 12:00:00:000AM',@p6_2='Jan  1 2003 12:00:00:000AM',@p6_3=N'test',@p7_0=101385,@p7_1='Jan  1 2000 12:00:00:000AM',@p7_2='Jan  1 2003 12:00:00:000AM',@p7_3=N'test',@p8_0=101386,@p8_1='Jan  1 2000 12:00:00:000AM',@p8_2='Jan  1 2003 12:00:00:000AM',@p8_3=N'test',@p9_0=101387,@p9_1='Jan  1 2000 12:00:00:000AM',@p9_2='Jan  1 2003 12:00:00:000AM',@p9_3=N'test',@p10_0=101388,@p10_1='Jan  1 2000 12:00:00:000AM',@p10_2='Jan  1 2003 
And this for all 250 objects....

3.

exec sp_reset_connection

And this xxx(x?) times... I noticed the exec sp_reset_connection also getting executed everytime.. Is this okay? Also the INSERT and SELECT from the Int64-Generator table seems like a big overhead to me?

Thanks!

Updated at 28.04.2010 12:52:33

How much time does it take now? And how fast are you expecting it to be? About 30 seconds...

Is there anything more that I can optimize? Or is this just the maximum performance that I can get out of DO4?

This thread was imported from our support forum. The original discussion may contain more detailed answer. Original topic by stefmen.

Answer 1

2

Alex (Xtensive) wrote:

I'd also recommend you to study SQL Profiler output on this import scenario.

5K records per second isn't really fast, but a lot depends on:

Inheritance hierarchy you're using. Imagine if creation of each new appointment object touches e.g. 3 tables.
Actual record size
Count of indexes.

Alex (Xtensive) wrote:

Just noticed your reply.

So:

Set batch size to 128 or 256 items
Import about 10K items per each transaction (this must be most effecient from the point of SQL Server)
Remove usage of _appointments: it's easier to read them sequentially further then to always keep all of them in memory. Let GC do its job - your application will use L1\L2 caches more effeciently.
If this won't help, publish a part of SQL Profiler output here.

Alex (Xtensive) wrote:

That's possible - currently DO4 must be nearly two times slower in comparison to SqlBulkCopy (that's noticeably better in comparison to other players).

I remembered recently I implemented very similar task for new ASP.NET MVC Sample, see this screenshot: http://goo.gl/4pNf

Entity creation rate was nearly 7K/sec. (although there was a single transaction) - I run the sample on Core2Duo E6750 @ 2.66Ghz. I considered this as pretty normal for entities of that size in comparison to tests @ ORMBattle (there are entities composed of two long values + AFAIK, PC we used for tests there was a bit more modern).

I didn't try to repeat the same operation directly on SQL Server, but now I feel I must try this to compare the result with maximal possible insertion rate in this case. If you'll get any similar result (e.g. with SqlBulkCopy), please leave the result here. If we'll find this inacceptable, we will finally implement asynchronous batch execution to reach SqlBulkCopy performance on such operations.

Alex (Xtensive) wrote:

P.S. The only possible optimization I see now is concurrent import (several threads with their own Sessions).

Although it's not guaranteed if this will work - a lot depends on locking SQL Server will use in this case. There are no row-level conflicts, but even page-level locks might affect. On the other hand, it simply "must support" such concurrent usage. Anyway, it's easier to try then to predict the resutl here.

mahdness wrote:

you guys really need to update the results at ormbattle! at least DO

it would also be good if you posted DO 3.9 results, so that we 3.9 guys could know what kind of improvement to expect in performance (it could really motivate some clients to upgrade to 4.0)

answered Apr 28 '10 at 09:59

Editor
46●156●156●157

How much time does it take now? And how fast are you expecting it to be?

(Apr 28 '10 at 09:59) Dmitri Maximov

Alex Kofman wrote: Btw, you can see "Multiple Instance Creation" test results for different ORM tools and pure SQL client on http://ormbattle.net/ and compare it with your results.

(Apr 28 '10 at 09:59) Editor

We know this - but we must finish with VS2010 first.

(Apr 28 '10 at 09:59) Alex Yakunin

Is there any progress on this?

I have 1 object called Training which contains an EntitySet called Runs which now contains 1 object. The Run object contains an EntitySet of DataSample. One sample per second. In my test application I created about 22.000 samples. When using SQL CE and a using() approach it took about 30 seconds to save this. When using PostgreSQL and the disconnected approach it takes about 3-4 minutes. For me, this is unacceptable slow. Are there any speed improvements I can do? Or an alternative way to store this?

(Jan 14 '11 at 05:31) jensen

Hello Jensen,

Am I right saying that you are using DisconnectedState in bulk insert scenario?

(Jan 14 '11 at 06:42) Dmitri Maximov

Yes, that is correct. I also experimented with the normal approach, which was a bit faster, but not that much that it really made a difference.

A user presses a start button which starts logging samples at a rate of 1 sample per second. Then he performs several actions. When he decides to stop he can choose to save the data or discard the data. Because he can choose not to save I don't think it's an option to store every 60 samples and do a delete when he chooses not to save because it would appear it takes longer to "not save" the data than to "save" the data.

(Jan 14 '11 at 07:36) jensen

Because the data is fairly static and, after saving, is only used for analysis, no modification whatsoever I can convert this into a byte[] and store that. So I had a class which had a protected byte[] Samples and a public List<datasamples> DataSamples. When I do a conversion when saving or loading everything goes really fast (1 second to save).

Unfortunately I did not find a way to automate this. I don't want to call a ConvertToList() or ConvertToByteArray() when I need to save or access the data, and as far as I understand the OnGet/SetField functions are not of any use here.

(Jan 14 '11 at 07:58) jensen

Jensen, consider using this approach to deal with fields of byte[] type.

(Jan 14 '11 at 08:07) Dmitri Maximov

I had considered that, but since I use a List it means I need to implement a custom Collection object and provide a whole set of get and set functions which would require some work.

But first I wanted to know if there was any possible way for me to hook into the system when DO loads or stores the data as that would be a far faster solution.

Thanks for the fast answer!

(Jan 14 '11 at 08:10) jensen

Sorry, I didn't catch why do you need to implement a custom Collection object. Could you explain?

Thanks.

(Jan 14 '11 at 08:22) Dmitri Maximov

Object A should contain a list of samples (object T). Initially A had an EntitySet<t> but those inserts were slow. In my application however, I need to work with that list.

So, I could do something like

A a = GetA();
a.Load(); (convert the byte[] to a List<t>)

and something like

a.Store(); (convert the List<t> to a byte[])
m_transactionScope.Commit();

But I don't like calling a Load() and Store() function each time, it would be easier if this could be automated. When A is loaded from the database it should Load(), when saved to the database it should Store().

(Jan 14 '11 at 09:03) jensen

So, if I create a custom collection, I can tap into the Get() and Add() functions to that collection and convert the object to a byte[] and append it to a global one.

So I can create a custom collection like:

public class MyCollection<t> : Entity {
  // Id and Key
  [Field]
  private byte[] Data { get; set; }
  public void Add(T t) { m_list.Add(t); ConvertAndAppendToData(t); }
}

Unfortunately it's not fully working yet.

The example you pointed me to uses a single object, which works, but I am working with a list so it doesn't really work for me in the same way.

(Jan 14 '11 at 09:10) jensen

Right now I'm trying to make a working sample with a collection, let's see whether I will succeed or not.

(Jan 14 '11 at 09:23) Dmitri Maximov

Here it is, hope it helps.

(Jan 14 '11 at 10:49) Dmitri Maximov

That looks very promising, I'll keep you updated.

(Jan 14 '11 at 11:45) jensen

Jensen, have you tried the solution? Was it helpful in any way?

(Jan 17 '11 at 03:47) Dmitri Maximov

Yes, it worked like a charm. That was exactly what I was looking for. Thanks for the quick solution!

(Jan 17 '11 at 05:38) jensen

You are welcome =)

(Jan 17 '11 at 06:01) Dmitri Maximov

Updated at 28.04.2010 9:57:56

Updated at 28.04.2010 11:06:59

Updated at 28.04.2010 12:52:33

Alex (Xtensive) wrote:

Alex (Xtensive) wrote:

Alex (Xtensive) wrote:

Alex (Xtensive) wrote:

mahdness wrote:

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