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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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8
cmd/posix.go
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@@ -604,7 +604,7 @@ func listVols(dirPath string) ([]VolInfo, error) {
}
var volsInfo []VolInfo
for _, entry := range entries {
if !hasSuffix(entry, SlashSeparator) || !isValidVolname(slashpath.Clean(entry)) {
if !HasSuffix(entry, SlashSeparator) || !isValidVolname(slashpath.Clean(entry)) {
// Skip if entry is neither a directory not a valid volume name.
continue
}
@@ -752,7 +752,7 @@ func (s *posix) Walk(volume, dirPath, marker string, recursive bool, leafFile st
return
}
var fi FileInfo
if hasSuffix(walkResult.entry, SlashSeparator) {
if HasSuffix(walkResult.entry, SlashSeparator) {
fi = FileInfo{
Volume: volume,
Name: walkResult.entry,
@@ -1492,8 +1492,8 @@ func (s *posix) RenameFile(srcVolume, srcPath, dstVolume, dstPath string) (err e
}
}
srcIsDir := hasSuffix(srcPath, SlashSeparator)
dstIsDir := hasSuffix(dstPath, SlashSeparator)
srcIsDir := HasSuffix(srcPath, SlashSeparator)
dstIsDir := HasSuffix(dstPath, SlashSeparator)
// Either src and dst have to be directories or files, else return error.
if !(srcIsDir && dstIsDir || !srcIsDir && !dstIsDir) {
return errFileAccessDenied