|
| 1 | +package issues |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "fmt" |
| 6 | + "github.com/ClickHouse/clickhouse-go/v2" |
| 7 | + "github.com/ClickHouse/clickhouse-go/v2/lib/column" |
| 8 | + clickhouse_tests "github.com/ClickHouse/clickhouse-go/v2/tests" |
| 9 | + "github.com/stretchr/testify/require" |
| 10 | + "testing" |
| 11 | +) |
| 12 | + |
| 13 | +func TestIssue1164(t *testing.T) { |
| 14 | + var ( |
| 15 | + conn, err = clickhouse_tests.GetConnection("issues", clickhouse.Settings{ |
| 16 | + "max_execution_time": 60, |
| 17 | + "allow_experimental_object_type": true, |
| 18 | + }, nil, &clickhouse.Compression{ |
| 19 | + Method: clickhouse.CompressionLZ4, |
| 20 | + }) |
| 21 | + ) |
| 22 | + ctx := context.Background() |
| 23 | + require.NoError(t, err) |
| 24 | + const ddl = "CREATE TABLE test_1164 (Col1 String) Engine MergeTree() ORDER BY tuple()" |
| 25 | + err = conn.Exec(ctx, ddl) |
| 26 | + require.NoError(t, err) |
| 27 | + defer func() { |
| 28 | + conn.Exec(ctx, "DROP TABLE IF EXISTS test_1164") |
| 29 | + }() |
| 30 | + |
| 31 | + column.WithAllocBufferColStrProvider(4096) |
| 32 | + |
| 33 | + batch, err := conn.PrepareBatch(ctx, "INSERT INTO test_1164") |
| 34 | + require.NoError(t, err) |
| 35 | + |
| 36 | + for i := 0; i < 10000; i++ { |
| 37 | + appendErr := batch.Append(fmt.Sprintf("some_text_%d", i)) |
| 38 | + require.NoError(t, appendErr) |
| 39 | + } |
| 40 | + |
| 41 | + err = batch.Send() |
| 42 | + require.NoError(t, err) |
| 43 | +} |
| 44 | + |
| 45 | +func BenchmarkIssue1164(b *testing.B) { |
| 46 | + // result: |
| 47 | + //cpu: Intel(R) Xeon(R) CPU E5-26xx v4 |
| 48 | + //BenchmarkIssue1164 |
| 49 | + //BenchmarkIssue1164/default-10000 |
| 50 | + //BenchmarkIssue1164/default-10000-8 100 11533744 ns/op 1992731 B/op 40129 allocs/op |
| 51 | + //BenchmarkIssue1164/preAlloc-10000 |
| 52 | + //BenchmarkIssue1164/preAlloc-10000-8 104 11136623 ns/op 1991154 B/op 40110 allocs/op |
| 53 | + //BenchmarkIssue1164/default-50000 |
| 54 | + //BenchmarkIssue1164/default-50000-8 22 49932579 ns/op 11592053 B/op 200150 allocs/op |
| 55 | + //BenchmarkIssue1164/preAlloc-50000 |
| 56 | + //BenchmarkIssue1164/preAlloc-50000-8 24 49687163 ns/op 11573934 B/op 200148 allocs/op |
| 57 | + b.Run("default-10000", func(b *testing.B) { |
| 58 | + var ( |
| 59 | + conn, err = clickhouse_tests.GetConnection("issues", clickhouse.Settings{ |
| 60 | + "max_execution_time": 60, |
| 61 | + "allow_experimental_object_type": true, |
| 62 | + }, nil, &clickhouse.Compression{ |
| 63 | + Method: clickhouse.CompressionLZ4, |
| 64 | + }) |
| 65 | + ) |
| 66 | + ctx := context.Background() |
| 67 | + require.NoError(b, err) |
| 68 | + const ddl = "CREATE TABLE test_1164 (Col1 String) Engine MergeTree() ORDER BY tuple()" |
| 69 | + err = conn.Exec(ctx, ddl) |
| 70 | + require.NoError(b, err) |
| 71 | + defer func() { |
| 72 | + conn.Exec(ctx, "DROP TABLE IF EXISTS test_1164") |
| 73 | + }() |
| 74 | + |
| 75 | + b.ReportAllocs() |
| 76 | + for k := 0; k < b.N; k++ { |
| 77 | + batch, err := conn.PrepareBatch(ctx, "INSERT INTO test_1164") |
| 78 | + require.NoError(b, err) |
| 79 | + |
| 80 | + for i := 0; i < 10000; i++ { |
| 81 | + appendErr := batch.Append(fmt.Sprintf("some_text_%d", i)) |
| 82 | + require.NoError(b, appendErr) |
| 83 | + } |
| 84 | + |
| 85 | + err = batch.Send() |
| 86 | + require.NoError(b, err) |
| 87 | + } |
| 88 | + |
| 89 | + }) |
| 90 | + b.Run("preAlloc-10000", func(b *testing.B) { |
| 91 | + var ( |
| 92 | + conn, err = clickhouse_tests.GetConnection("issues", clickhouse.Settings{ |
| 93 | + "max_execution_time": 60, |
| 94 | + "allow_experimental_object_type": true, |
| 95 | + }, nil, &clickhouse.Compression{ |
| 96 | + Method: clickhouse.CompressionLZ4, |
| 97 | + }) |
| 98 | + ) |
| 99 | + ctx := context.Background() |
| 100 | + require.NoError(b, err) |
| 101 | + const ddl = "CREATE TABLE test_1164 (Col1 String) Engine MergeTree() ORDER BY tuple()" |
| 102 | + err = conn.Exec(ctx, ddl) |
| 103 | + require.NoError(b, err) |
| 104 | + defer func() { |
| 105 | + conn.Exec(ctx, "DROP TABLE IF EXISTS test_1164") |
| 106 | + }() |
| 107 | + |
| 108 | + column.WithAllocBufferColStrProvider(4096) |
| 109 | + |
| 110 | + b.ReportAllocs() |
| 111 | + for k := 0; k < b.N; k++ { |
| 112 | + batch, err := conn.PrepareBatch(ctx, "INSERT INTO test_1164") |
| 113 | + require.NoError(b, err) |
| 114 | + |
| 115 | + for i := 0; i < 10000; i++ { |
| 116 | + appendErr := batch.Append(fmt.Sprintf("some_text_%d", i)) |
| 117 | + require.NoError(b, appendErr) |
| 118 | + } |
| 119 | + |
| 120 | + err = batch.Send() |
| 121 | + require.NoError(b, err) |
| 122 | + } |
| 123 | + |
| 124 | + }) |
| 125 | + b.Run("default-50000", func(b *testing.B) { |
| 126 | + var ( |
| 127 | + conn, err = clickhouse_tests.GetConnection("issues", clickhouse.Settings{ |
| 128 | + "max_execution_time": 60, |
| 129 | + "allow_experimental_object_type": true, |
| 130 | + }, nil, &clickhouse.Compression{ |
| 131 | + Method: clickhouse.CompressionLZ4, |
| 132 | + }) |
| 133 | + ) |
| 134 | + ctx := context.Background() |
| 135 | + require.NoError(b, err) |
| 136 | + const ddl = "CREATE TABLE test_1164 (Col1 String) Engine MergeTree() ORDER BY tuple()" |
| 137 | + err = conn.Exec(ctx, ddl) |
| 138 | + require.NoError(b, err) |
| 139 | + defer func() { |
| 140 | + conn.Exec(ctx, "DROP TABLE IF EXISTS test_1164") |
| 141 | + }() |
| 142 | + |
| 143 | + b.ReportAllocs() |
| 144 | + for k := 0; k < b.N; k++ { |
| 145 | + batch, err := conn.PrepareBatch(ctx, "INSERT INTO test_1164") |
| 146 | + require.NoError(b, err) |
| 147 | + |
| 148 | + for i := 0; i < 50000; i++ { |
| 149 | + appendErr := batch.Append(fmt.Sprintf("some_text_%d", i)) |
| 150 | + require.NoError(b, appendErr) |
| 151 | + } |
| 152 | + |
| 153 | + err = batch.Send() |
| 154 | + require.NoError(b, err) |
| 155 | + } |
| 156 | + |
| 157 | + }) |
| 158 | + b.Run("preAlloc-50000", func(b *testing.B) { |
| 159 | + var ( |
| 160 | + conn, err = clickhouse_tests.GetConnection("issues", clickhouse.Settings{ |
| 161 | + "max_execution_time": 60, |
| 162 | + "allow_experimental_object_type": true, |
| 163 | + }, nil, &clickhouse.Compression{ |
| 164 | + Method: clickhouse.CompressionLZ4, |
| 165 | + }) |
| 166 | + ) |
| 167 | + ctx := context.Background() |
| 168 | + require.NoError(b, err) |
| 169 | + const ddl = "CREATE TABLE test_1164 (Col1 String) Engine MergeTree() ORDER BY tuple()" |
| 170 | + err = conn.Exec(ctx, ddl) |
| 171 | + require.NoError(b, err) |
| 172 | + defer func() { |
| 173 | + conn.Exec(ctx, "DROP TABLE IF EXISTS test_1164") |
| 174 | + }() |
| 175 | + |
| 176 | + column.WithAllocBufferColStrProvider(4096) |
| 177 | + |
| 178 | + b.ReportAllocs() |
| 179 | + for k := 0; k < b.N; k++ { |
| 180 | + batch, err := conn.PrepareBatch(ctx, "INSERT INTO test_1164") |
| 181 | + require.NoError(b, err) |
| 182 | + |
| 183 | + for i := 0; i < 50000; i++ { |
| 184 | + appendErr := batch.Append(fmt.Sprintf("some_text_%d", i)) |
| 185 | + require.NoError(b, appendErr) |
| 186 | + } |
| 187 | + |
| 188 | + err = batch.Send() |
| 189 | + require.NoError(b, err) |
| 190 | + } |
| 191 | + |
| 192 | + }) |
| 193 | + |
| 194 | +} |
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