avijayanhwx opened a new pull request #68: HDDS-2320. Negative value seen for OM NumKeys Metric in JMX. URL: https://github.com/apache/hadoop-ozone/pull/68 ## What changes were proposed in this pull request? After running teragen, I noticed that the NumKeys metric in OzoneManager JMX had a negative value. On investigation, it was seen that we decrease the numkeys metric while deleting any key (including directory), but do not increment NumKeys when we create a directory. To keep it consistent, the change proposes increasing NumKeys while creating directories as well. This essentially means that the "NumKeys" is a pure OM metric that tracks the number of entries it manages as opposed to the number of files that are managed by SCM and Ratis. ## What is the link to the Apache JIRA https://issues.apache.org/jira/browse/HDDS-2320 ## How was this patch tested? Manually tested on cluster. Added unit test.
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