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Add Support for Cache and S3 related metrics in Prometheus endpoint (#8591)

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This PR adds support below metrics

- Cache Hit Count
- Cache Miss Count
- Data served from Cache (in Bytes)
- Bytes received from AWS S3
- Bytes sent to AWS S3
- Number of requests sent to AWS S3

Fixes #8549
This commit is contained in:
Nitish Tiwari
2019-12-06 12:46:06 +05:30
committed by Harshavardhana
parent d2dc964cb5
commit 3df7285c3c
32 changed files with 400 additions and 86 deletions
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4
cmd/object-handlers.go
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@@ -878,7 +878,7 @@ func (api objectAPIHandlers) CopyObjectHandler(w http.ResponseWriter, r *http.Re
}
for k, v := range srcInfo.UserDefined {
if hasPrefix(k, ReservedMetadataPrefix) {
if HasPrefix(k, ReservedMetadataPrefix) {
encMetadata[k] = v
}
}
@@ -1254,7 +1254,7 @@ func (api objectAPIHandlers) PutObjectHandler(w http.ResponseWriter, r *http.Req
var objectEncryptionKey []byte
if objectAPI.IsEncryptionSupported() {
if crypto.IsRequested(r.Header) && !hasSuffix(object, SlashSeparator) { // handle SSE requests
if crypto.IsRequested(r.Header) && !HasSuffix(object, SlashSeparator) { // handle SSE requests
if crypto.SSECopy.IsRequested(r.Header) {
writeErrorResponse(ctx, w, toAPIError(ctx, errInvalidEncryptionParameters), r.URL, guessIsBrowserReq(r))
return