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Use jsoniter whenever applicable instead of encoding/json (#8766)

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This PR adds jsoniter package to replace encoding/json
in places where faster json unmarshal is necessary
whenever input JSON is large enough.

Some benchmarking comparison between jsoniter and enconding/json

benchmark                            old MB/s     new MB/s     speedup
BenchmarkParseUnmarshal/N10-4        110.02       331.17       3.01x
BenchmarkParseUnmarshal/N100-4       125.74       524.09       4.17x
BenchmarkParseUnmarshal/N500-4       131.68       542.60       4.12x
BenchmarkParseUnmarshal/N1000-4      133.93       514.88       3.84x
BenchmarkParseUnmarshal/N5000-4      122.10       415.36       3.40x
BenchmarkParseUnmarshal/N10000-4     132.13       403.90       3.06x
This commit is contained in:
Harshavardhana
2020-01-08 03:31:43 -08:00
committed by Nitish Tiwari
parent 60813bef29
commit aa2e89bfe3
7 changed files with 14 additions and 2 deletions
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3
cmd/xl-v1-utils.go
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@@ -18,11 +18,11 @@ package cmd
import (
"context"
"encoding/json"
"errors"
"hash/crc32"
"path"
jsoniter "github.com/json-iterator/go"
"github.com/minio/minio/cmd/logger"
"github.com/minio/minio/pkg/sync/errgroup"
)
@@ -117,6 +117,7 @@ func hashOrder(key string, cardinality int) []int {
// Constructs xlMetaV1 using `jsoniter` lib.
func xlMetaV1UnmarshalJSON(ctx context.Context, xlMetaBuf []byte) (xlMeta xlMetaV1, err error) {
var json = jsoniter.ConfigCompatibleWithStandardLibrary
err = json.Unmarshal(xlMetaBuf, &xlMeta)
return xlMeta, err
}