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use strconv variants to improve on performance per 'op' (#17626)

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```
BenchmarkItoa
BenchmarkItoa-8         	673628088	         1.946 ns/op	       0 B/op	       0 allocs/op
BenchmarkFormatInt
BenchmarkFormatInt-8    	592919769	         2.012 ns/op	       0 B/op	       0 allocs/op
BenchmarkSprint
BenchmarkSprint-8       	26149144	        49.06 ns/op	       2 B/op	       1 allocs/op
BenchmarkSprintBool
BenchmarkSprintBool-8   	26440180	        45.92 ns/op	       4 B/op	       1 allocs/op
BenchmarkFormatBool
BenchmarkFormatBool-8   	1000000000	         0.2558 ns/op	       0 B/op	       0 allocs/op
```
This commit is contained in:
Harshavardhana
2023-07-11 07:46:58 -07:00
committed by GitHub
parent 5b7c83341b
commit 82075e8e3a
4 changed files with 15 additions and 21 deletions
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19
cmd/xl-storage.go
View File

@@ -1,4 +1,4 @@
// Copyright (c) 2015-2021 MinIO, Inc.
// Copyright (c) 2015-2023 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
@@ -29,6 +29,7 @@ import (
pathutil "path"
"path/filepath"
"runtime"
"strconv"
"strings"
"sync"
"sync/atomic"
@@ -504,17 +505,17 @@ func (s *xlStorage) NSScanner(ctx context.Context, cache dataUsageCache, updates
doneSz := globalScannerMetrics.timeSize(scannerMetricReadMetadata)
buf, err := s.readMetadata(ctx, item.Path)
doneSz(len(buf))
res["metasize"] = fmt.Sprint(len(buf))
res["metasize"] = strconv.Itoa(len(buf))
if err != nil {
res["err"] = err.Error()
return sizeSummary{}, errSkipFile
}
defer metaDataPoolPut(buf)
// Remove filename which is the meta file.
item.transformMetaDir()
fivs, err := getFileInfoVersions(buf, item.bucket, item.objectPath())
metaDataPoolPut(buf)
if err != nil {
res["err"] = err.Error()
return sizeSummary{}, errSkipFile
@@ -563,7 +564,7 @@ func (s *xlStorage) NSScanner(ctx context.Context, cache dataUsageCache, updates
// apply tier sweep action on free versions
if len(fivs.FreeVersions) > 0 {
res["free-versions"] = fmt.Sprint(len(fivs.FreeVersions))
res["free-versions"] = strconv.Itoa(len(fivs.FreeVersions))
}
for _, freeVersion := range fivs.FreeVersions {
oi := freeVersion.ToObjectInfo(item.bucket, item.objectPath(), versioned)
@@ -575,13 +576,13 @@ func (s *xlStorage) NSScanner(ctx context.Context, cache dataUsageCache, updates
// These are rather expensive. Skip if nobody listens.
if globalTrace.NumSubscribers(madmin.TraceScanner) > 0 {
if sizeS.versions > 0 {
res["versions"] = fmt.Sprint()
res["versions"] = strconv.FormatUint(sizeS.versions, 10)
}
res["size"] = fmt.Sprint(sizeS.totalSize)
res["size"] = strconv.FormatInt(sizeS.totalSize, 10)
if len(sizeS.tiers) > 0 {
for name, tier := range sizeS.tiers {
res["size-"+name] = fmt.Sprint(tier.TotalSize)
res["versions-"+name] = fmt.Sprint(tier.NumVersions)
res["size-"+name] = strconv.FormatUint(tier.TotalSize, 10)
res["versions-"+name] = strconv.Itoa(tier.NumVersions)
}
}
if sizeS.failedCount > 0 {
@@ -591,7 +592,7 @@ func (s *xlStorage) NSScanner(ctx context.Context, cache dataUsageCache, updates
res["repl-pending"] = fmt.Sprintf("%d versions, %d bytes", sizeS.pendingCount, sizeS.pendingSize)
}
for tgt, st := range sizeS.replTargetStats {
res["repl-size-"+tgt] = fmt.Sprint(st.replicatedSize)
res["repl-size-"+tgt] = strconv.FormatInt(st.replicatedSize, 10)
if st.failedCount > 0 {
res["repl-failed-"+tgt] = fmt.Sprintf("%d versions, %d bytes", st.failedCount, st.failedSize)
}