Devesh Kumar Singh created HDDS-12223:
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             Summary: Ozone Recon - Add metrics in Recon for OM and SCM 
background tasks at fine grained level 
                 Key: HDDS-12223
                 URL: https://issues.apache.org/jira/browse/HDDS-12223
             Project: Apache Ozone
          Issue Type: Task
            Reporter: Devesh Kumar Singh
            Assignee: Abhishek Pal


Adding metrics in Recon for OM and SCM background tasks at fine grained level 
will help users and admins to understand the performance of various underlying 
low level components in Recon under scale or stress test conditions. So add 
following metrics to measure time taken in Recon:
 # OM DB sync
 ** OM DB fetch step - pulling from OM
 ** Applying OM DB updates to Recon OM DB snapshot
 ** Each OM task reprocess and process performance. In case of NS Summary task, 
need at each bucket layout level also.
 # SCM tasks
 ## Each SCM task run time taken

 

cc: [~kkasawa] [~swagle]



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