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remove checkBucketExist check entirely to avoid fan-out calls (#18917)

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Each Put, List, Multipart operations heavily rely on making
GetBucketInfo() call to verify if bucket exists or not on
a regular basis. This has a large performance cost when there
are tons of servers involved.

We did optimize this part by vectorizing the bucket calls,
however its not enough, beyond 100 nodes and this becomes
fairly visible in terms of performance.
This commit is contained in:
Harshavardhana
2024-01-30 12:43:25 -08:00
committed by GitHub
parent a669946357
commit 80ca120088
38 changed files with 408 additions and 291 deletions
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4
cmd/erasure-metadata.go
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@@ -381,7 +381,7 @@ func pickValidFileInfo(ctx context.Context, metaArr []FileInfo, modTime time.Tim
}
// writeUniqueFileInfo - writes unique `xl.meta` content for each disk concurrently.
func writeUniqueFileInfo(ctx context.Context, disks []StorageAPI, bucket, prefix string, files []FileInfo, quorum int) ([]StorageAPI, error) {
func writeUniqueFileInfo(ctx context.Context, disks []StorageAPI, origbucket, bucket, prefix string, files []FileInfo, quorum int) ([]StorageAPI, error) {
g := errgroup.WithNErrs(len(disks))
// Start writing `xl.meta` to all disks in parallel.
@@ -395,7 +395,7 @@ func writeUniqueFileInfo(ctx context.Context, disks []StorageAPI, bucket, prefix
fi := files[index]
fi.Erasure.Index = index + 1
if fi.IsValid() {
return disks[index].WriteMetadata(ctx, bucket, prefix, fi)
return disks[index].WriteMetadata(ctx, origbucket, bucket, prefix, fi)
}
return errCorruptedFormat
}, index)