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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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5
cmd/storage-rest-server.go
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@@ -685,7 +685,8 @@ func (s *storageRESTServer) DeleteVersionsHandler(w http.ResponseWriter, r *http
}
versions := make([]FileInfoVersions, totalVersions)
decoder := msgp.NewReader(r.Body)
decoder := msgpNewReader(r.Body)
defer readMsgpReaderPoolPut(decoder)
for i := 0; i < totalVersions; i++ {
dst := &versions[i]
if err := dst.DecodeMsg(decoder); err != nil {
@@ -1294,7 +1295,7 @@ func (s *storageRESTServer) ReadMultiple(w http.ResponseWriter, r *http.Request)
var req ReadMultipleReq
mr := msgpNewReader(r.Body)
defer readMsgpReaderPool.Put(mr)
defer readMsgpReaderPoolPut(mr)
err := req.DecodeMsg(mr)
if err != nil {
rw.CloseWithError(err)