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Copy metadata before spawning goroutine + prealloc maps (#10458)

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In `(*cacheObjects).GetObjectNInfo` copy the metadata before spawning a goroutine.

Clean up a few map[string]string copies as well, reducing allocs and simplifying the code.

Fixes #10426
This commit is contained in:
Klaus Post
2020-09-10 11:37:22 -07:00
committed by GitHub
parent ce6cef6855
commit b7438fe4e6
16 changed files with 47 additions and 63 deletions
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2
cmd/object-api-utils.go
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@@ -270,7 +270,7 @@ func removeStandardStorageClass(metadata map[string]string) map[string]string {
// cleanMetadataKeys takes keyNames to be filtered
// and returns a new map with all the entries with keyNames removed.
func cleanMetadataKeys(metadata map[string]string, keyNames ...string) map[string]string {
var newMeta = make(map[string]string)
var newMeta = make(map[string]string, len(metadata))
for k, v := range metadata {
if contains(keyNames, k) {
continue