From a4eb7016cb20dfbc656b831c603136785e62fddc Mon Sep 17 00:00:00 2001 From: Akira Ajisaka Date: Mon, 7 Aug 2017 18:47:33 +0900 Subject: [PATCH] HDFS-12198. Document missing namenode metrics that were added recently. Contributed by Yiqun Lin. --- .../hadoop-common/src/site/markdown/Metrics.md | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/Metrics.md b/hadoop-common-project/hadoop-common/src/site/markdown/Metrics.md index 852a1e9ec1..4543facc44 100644 --- a/hadoop-common-project/hadoop-common/src/site/markdown/Metrics.md +++ b/hadoop-common-project/hadoop-common/src/site/markdown/Metrics.md @@ -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 | @@ -157,8 +160,8 @@ Each metrics record contains tags such as ProcessName, SessionId, and Hostname a | `SyncsNumOps` | Total number of Journal syncs | | `SyncsAvgTime` | Average time of Journal syncs in milliseconds | | `TransactionsBatchedInSync` | Total number of Journal transactions batched in sync | -| `BlockReportNumOps` | Total number of processing block reports from DataNode | -| `BlockReportAvgTime` | Average time of processing block reports in milliseconds | +| `StorageBlockReportNumOps` | Total number of processing block reports from individual storages in DataNode | +| `StorageBlockReportAvgTime` | Average time of processing block reports in milliseconds | | `CacheReportNumOps` | Total number of processing cache reports from DataNode | | `CacheReportAvgTime` | Average time of processing cache reports in milliseconds | | `SafeModeTime` | The interval between FSNameSystem starts and the last time safemode leaves in milliseconds.  (sometimes not equal to the time in SafeMode, see [HDFS-5156](https://issues.apache.org/jira/browse/HDFS-5156)) | @@ -176,6 +179,8 @@ 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`. | +| `StorageBlockReport`*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 ------------