EntityFrameworkCore.SqlServer.SimpleBulks/src/EntityFrameworkCore.SqlServer.SimpleBulks.Benchmarks/BulkDeleteBenchmarks.cs at master · phongnguyend/EntityFrameworkCore.SqlServer.SimpleBulks · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
using BenchmarkDotNet.Attributes;
using EntityFrameworkCore.SqlServer.SimpleBulks.Benchmarks.Database;
using EntityFrameworkCore.SqlServer.SimpleBulks.BulkDelete;
using EntityFrameworkCore.SqlServer.SimpleBulks.BulkInsert;
using Microsoft.EntityFrameworkCore;

namespace EntityFrameworkCore.SqlServer.SimpleBulks.Benchmarks;

[WarmupCount(0)]
[IterationCount(1)]
[InvocationCount(1)]
[MemoryDiagnoser]
public class BulkDeleteBenchmarks1
{
    private TestDbContext _context;
    private List<Customer> _customers;
    private List<Guid> _customerIds;
    private List<Customer> _customersToDelete;

    [Params(100, 1000, 10_000, 20_000, 50_000)]
    public int RowsCount { get; set; }

    [IterationSetup]
    public void IterationSetup()
    {
        _context = new TestDbContext($"Server=127.0.0.1;Database=SimpleBulks.Benchmarks.{Guid.NewGuid()};User Id=sa;Password=sqladmin123!@#;Encrypt=False");
        _context.Database.EnsureCreated();
        _context.Database.SetCommandTimeout(TimeSpan.FromMinutes(2));

        _customers = new List<Customer>(RowsCount * 2);

        for (int i = 0; i < RowsCount * 2; i++)
        {
            var customer = new Customer
            {
                FirstName = "FirstName " + i,
                LastName = "LastName " + i,
                Index = i,
            };
            _customers.Add(customer);
        }

        _context.BulkInsert(_customers);

        _customerIds = _customers.Take(RowsCount).Select(x => x.Id).ToList();

        _customersToDelete = _customerIds.Select(x => new Customer { Id = x }).ToList();
    }

    [IterationCleanup]
    public void IterationCleanup()
    {
        _context.Database.EnsureDeleted();
    }

    [Benchmark]
    public void EFCoreDelete()
    {
        _context.RemoveRange(_customersToDelete);

        _context.SaveChanges();
    }

    [Benchmark]
    public void BulkDelete()
    {
        _context.BulkDelete(_customersToDelete,
            new BulkDeleteOptions()
            {
                Timeout = 0
            });
    }
}

[WarmupCount(0)]
[IterationCount(1)]
[InvocationCount(1)]
[MemoryDiagnoser]
public class BulkDeleteBenchmarks2
{
    private TestDbContext _context;
    private List<Customer> _customers;
    private List<Guid> _customerIds;
    private List<Customer> _customersToDelete;

    [Params(100_000, 250_000, 500_000, 1_000_000)]
    public int RowsCount { get; set; }

    [IterationSetup]
    public void IterationSetup()
    {
        _context = new TestDbContext($"Server=127.0.0.1;Database=SimpleBulks.Benchmarks.{Guid.NewGuid()};User Id=sa;Password=sqladmin123!@#;Encrypt=False");
        _context.Database.EnsureCreated();
        _context.Database.SetCommandTimeout(TimeSpan.FromMinutes(2));

        _customers = new List<Customer>(RowsCount * 2);

        for (int i = 0; i < RowsCount * 2; i++)
        {
            var customer = new Customer
            {
                FirstName = "FirstName " + i,
                LastName = "LastName " + i,
                Index = i,
            };
            _customers.Add(customer);
        }

        _context.BulkInsert(_customers);

        _customerIds = _customers.Take(RowsCount).Select(x => x.Id).ToList();

        _customersToDelete = _customerIds.Select(x => new Customer { Id = x }).ToList();
    }

    [IterationCleanup]
    public void IterationCleanup()
    {
        _context.Database.EnsureDeleted();
    }

    [Benchmark]
    public void BulkDelete()
    {
        _context.BulkDelete(_customersToDelete,
            new BulkDeleteOptions()
            {
                Timeout = 0
            });
    }
}