big-data/hadoop
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

HDFS-11261. Document missing NameNode metrics. Contributed by Yiqun Lin.

Browse Source
This commit is contained in:
Akira Ajisaka 2016-12-21 14:17:00 +09:00
parent 30f85d7a88
commit f6e2521eb2
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
hadoop-common-project/hadoop-common/src/site/markdown/Metrics.md
View File

@ -171,6 +171,10 @@ Each metrics record contains tags such as ProcessName, SessionId, and Hostname a
| `PutImageAvgTime` | Average fsimage upload time in milliseconds |
| `TotalFileOps`| Total number of file operations performed |
| `NNStartedTimeInMillis`| NameNode start time in milliseconds |
| `GenerateEDEKTimeNumOps` | Total number of generating EDEK |
| `GenerateEDEKTimeAvgTime` | Average time of generating EDEK in milliseconds |
| `WarmUpEDEKTimeNumOps` | Total number of warming up EDEK |
| `WarmUpEDEKTimeAvgTime` | Average time of warming up EDEK in milliseconds |
FSNamesystem
------------
@ -219,6 +223,8 @@ Each metrics record contains tags such as HAState and Hostname as additional inf
| `TotalSyncTimes` | Total number of milliseconds spent by various edit logs in sync operation|
| `NameDirSize` | NameNode name directories size in bytes |
| `NumTimedOutPendingReconstructions` | The number of timed out reconstructions. Not the number of unique blocks that timed out. |
| `FSN(Read|Write)Lock`*OperationName*`NumOps` | Total number of acquiring lock by operations |
| `FSN(Read|Write)Lock`*OperationName*`AvgTime` | Average time of holding the lock by operations in milliseconds |
JournalNode
-----------