hemantk-12 opened a new pull request, #4697:
URL: https://github.com/apache/ozone/pull/4697

   ## What changes were proposed in this pull request?
   By default, [DBStore object gets created with compaction log 
enabled](https://github.com/apache/ozone/blob/b5ad73aaa8a3a419fdb9cb27d54ea6ee54f71cf0/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OmMetadataManagerImpl.java#L560).
 There is no need for log compaction when loading metadata for snapshots.
   
   This change is add `enableCompationDag` to 
[loadDB()](https://github.com/apache/ozone/blob/master/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OmMetadataManagerImpl.java#L545)
 use it to create DBStore object.
   
   Also change the variable name from `enableCompationLog` to 
`enableCompationDag` because someone can get confused if it is to 
enable/disable RocksDB compaction.
   
   
   ## What is the link to the Apache JIRA
   https://issues.apache.org/jira/browse/HDDS-8577
   
   ## How was this patch tested?
   Added test for it.
   


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