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Reduce allocations (#17584)

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* Reduce allocations

* Add stringsHasPrefixFold which can compare string prefixes, while ignoring case and not allocating.
* Reuse all msgp.Readers
* Reuse metadata buffers when not reading data.

* Make type safe. Make buffer 4K instead of 8.

* Unslice
This commit is contained in:
Klaus Post
2023-07-06 16:02:08 -07:00
committed by GitHub
parent 1bf23374a3
commit ff5988f4e0
21 changed files with 67 additions and 36 deletions
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2
cmd/bucket-lifecycle.go
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@@ -691,7 +691,7 @@ func putRestoreOpts(bucket, object string, rreq *RestoreObjectRequest, objInfo O
if rreq.Type == SelectRestoreRequest {
for _, v := range rreq.OutputLocation.S3.UserMetadata {
if !strings.HasPrefix(strings.ToLower(v.Name), "x-amz-meta") {
if !stringsHasPrefixFold(v.Name, "x-amz-meta") {
meta["x-amz-meta-"+v.Name] = v.Value
continue
}