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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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cmd/xl-v1-metadata.go
+2
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@@ -26,6 +26,7 @@ import (
"sort"
"time"
jsoniter "github.com/json-iterator/go"
xhttp "github.com/minio/minio/cmd/http"
"github.com/minio/minio/cmd/logger"
"github.com/minio/minio/pkg/sync/errgroup"
@@ -77,6 +78,7 @@ func (c ChecksumInfo) MarshalJSON() ([]byte, error) {
// UnmarshalJSON - should never be called, instead xlMetaV1UnmarshalJSON() should be used.
func (c *ChecksumInfo) UnmarshalJSON(data []byte) error {
var info checksumInfoJSON
var json = jsoniter.ConfigCompatibleWithStandardLibrary
if err := json.Unmarshal(data, &info); err != nil {
return err
}