Found two missing metric names in Metric.md. One is introduced by HDFS-10872, another one is HDFS-10676. In HDFS-10872, it adds MutableRate metrics for FSNamesystemLock operations. In HDFS-10676, it adds the metric for generating EDEKs.
Add MutableRate metrics for FSNamesystemLock operations
Add namenode metric to measure time spent in generating EDEKs
Attach a patch for fixing this. Kindly review.
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Reupload the v001 patch to do a minor change that can makes users easy to understand the metric name.
+1, checking this in.
Committed this to trunk, branch-2, and branch-2.8. Thanks Yiqun Lin for the contribution!
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #11024 (See https://builds.apache.org/job/Hadoop-trunk-Commit/11024/)
HDFS-11261. Document missing NameNode metrics. Contributed by Yiqun Lin. (aajisaka: rev f6e2521eb216dae820846cab31397e9a88ba2f88)
Thanks Akira Ajisaka.