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HDFS-12198. Document missing namenode metrics that were added recently. Contributed by Yiqun Lin.

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Yiqun Lin 2017-08-08 19:30:03 +08:00
parent 9fd5a03611
commit 817c0f4564
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hadoop-common-project/hadoop-common/src/site/markdown/Metrics.md
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@ -145,6 +145,9 @@ Each metrics record contains tags such as ProcessName, SessionId, and Hostname a
| `CreateSymlinkOps` | Total number of createSymlink operations |
| `GetLinkTargetOps` | Total number of getLinkTarget operations |
| `FilesInGetListingOps` | Total number of files and directories listed by directory listing operations |
| `SuccessfulReReplications` | Total number of successful block re-replications |
| `NumTimesReReplicationNotScheduled` | Total number of times that failed to schedule a block re-replication |
| `TimeoutReReplications` | Total number of timed out block re-replications |
| `AllowSnapshotOps` | Total number of allowSnapshot operations |
| `DisallowSnapshotOps` | Total number of disallowSnapshot operations |
| `CreateSnapshotOps` | Total number of createSnapshot operations |
@ -177,6 +180,8 @@ Each metrics record contains tags such as ProcessName, SessionId, and Hostname a
| `GenerateEDEKTimeAvgTime` | Average time of generating EDEK in milliseconds |
| `WarmUpEDEKTimeNumOps` | Total number of warming up EDEK |
| `WarmUpEDEKTimeAvgTime` | Average time of warming up EDEK in milliseconds |
| `ResourceCheckTime`*num*`s(50|75|90|95|99)thPercentileLatency` | The 50/75/90/95/99th percentile of NameNode resource check latency in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
| `BlockReport`*num*`s(50|75|90|95|99)thPercentileLatency` | The 50/75/90/95/99th percentile of storage block report latency in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
FSNamesystem
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