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instrumentation: instrumentation for locks. (#2584)

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- Instrumentation for locks.
- Detailed test coverage.
- Adding RPC control handler to fetch lock instrumentation.
- RPC control handlers suite tests with a test RPC server.
This commit is contained in:
Karthic Rao
2016-09-01 00:09:08 +05:30
committed by Harshavardhana
parent de67bca211
commit 07d232c7b4
20 changed files with 2132 additions and 204 deletions
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cmd/xl-v1-list-objects-heal.go
+7 -2
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@@ -137,8 +137,13 @@ func (xl xlObjects) listObjectsHeal(bucket, prefix, marker, delimiter string, ma
result.Prefixes = append(result.Prefixes, objInfo.Name)
continue
}
// generates random string on setting MINIO_DEBUG=lock, else returns empty string.
// used for instrumentation on locks.
opsID := getOpsID()
// Check if the current object needs healing
nsMutex.RLock(bucket, objInfo.Name)
nsMutex.RLock(bucket, objInfo.Name, opsID)
partsMetadata, errs := readAllXLMetadata(xl.storageDisks, bucket, objInfo.Name)
if xlShouldHeal(partsMetadata, errs) {
result.Objects = append(result.Objects, ObjectInfo{
@@ -148,7 +153,7 @@ func (xl xlObjects) listObjectsHeal(bucket, prefix, marker, delimiter string, ma
IsDir: false,
})
}
nsMutex.RUnlock(bucket, objInfo.Name)
nsMutex.RUnlock(bucket, objInfo.Name, opsID)
}
return result, nil
}