sumitagrawl opened a new pull request, #4602:
URL: https://github.com/apache/ozone/pull/4602

   ## What changes were proposed in this pull request?
   
   1. delete key is appended with objectId to make it unique
   2. Removed caching of deleteTable as its not used again due to uniqueness
   and removed getting from deleteTable for old key (old key will not be 
present as delete key is unique)
   3. This is to add repeated info and overwrite the same key again in 
deleteTable, which can cause missing cleanup of latest block appended as there 
KeyDeletingService has already run in parallel.
   
   Uniqueness for multiple flows:
   
   openKey cleanup: openKey appended with objectId
   key commit(unused block and old version): openKey appended with objectId
   delete key/keys: dbKey appended with objectId
   directoryPurge: key appended with objectId
   
   ## What is the link to the Apache JIRA
   
   https://issues.apache.org/jira/browse/HDDS-8462
   
   ## How was this patch tested?
   
   Unit test and integration test for delete behavior impact
   


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