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Merge pull request #413 from tdakkota/perf/use-writev
feat(ch): use `writev` when possible
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,66 @@ | ||
package ch | ||
|
||
import ( | ||
"context" | ||
"fmt" | ||
"testing" | ||
|
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"github.com/go-faster/errors" | ||
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"github.com/ClickHouse/ch-go/cht" | ||
"github.com/ClickHouse/ch-go/proto" | ||
) | ||
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func BenchmarkInsert(b *testing.B) { | ||
cht.Skip(b) | ||
srv := cht.New(b) | ||
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bench := func(rows int) func(b *testing.B) { | ||
return func(b *testing.B) { | ||
ctx := context.Background() | ||
c, err := Dial(ctx, Options{ | ||
Address: srv.TCP, | ||
Compression: CompressionDisabled, | ||
}) | ||
if err != nil { | ||
b.Fatal(errors.Wrap(err, "dial")) | ||
} | ||
defer func() { _ = c.Close() }() | ||
|
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if err := c.Do(ctx, Query{ | ||
Body: "CREATE TABLE IF NOT EXISTS test_table (id Int64) ENGINE = Null", | ||
}); err != nil { | ||
b.Fatal(err) | ||
} | ||
|
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var id proto.ColInt64 | ||
for i := 0; i < rows; i++ { | ||
id = append(id, 1) | ||
} | ||
|
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b.SetBytes(int64(rows) * 8) | ||
b.ResetTimer() | ||
b.ReportAllocs() | ||
|
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for i := 0; i < b.N; i++ { | ||
if err := c.Do(ctx, Query{ | ||
Body: "INSERT INTO test_table VALUES", | ||
Input: []proto.InputColumn{ | ||
{Name: "id", Data: id}, | ||
}, | ||
}); err != nil { | ||
b.Fatal() | ||
} | ||
} | ||
} | ||
} | ||
for _, rows := range []int{ | ||
10_000, | ||
100_000, | ||
1_000_000, | ||
10_000_000, | ||
100_000_000, | ||
} { | ||
b.Run(fmt.Sprintf("Rows%d", rows), bench(rows)) | ||
} | ||
} |
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