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Posted to issues@ozone.apache.org by GitBox <gi...@apache.org> on 2020/12/28 07:29:27 UTC

[GitHub] [ozone] sky76093016 opened a new pull request #1740: HDDS-4616. Deleted TXID not found can be printed many times

sky76093016 opened a new pull request #1740:
URL: https://github.com/apache/ozone/pull/1740


   ## What changes were proposed in this pull request?
   
   Delete LOG.debug().
   
   ## What is the link to the Apache JIRA
   
   https://issues.apache.org/jira/browse/HDDS-4616
   
   ## How was this patch tested?
   
   Test pass.
   


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[GitHub] [ozone] sky76093016 closed pull request #1740: HDDS-4616. Deleted TXID not found can be printed many times

Posted by GitBox <gi...@apache.org>.
sky76093016 closed pull request #1740:
URL: https://github.com/apache/ozone/pull/1740


   


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[GitHub] [ozone] adoroszlai commented on pull request #1740: HDDS-4616. Deleted TXID not found can be printed many times

Posted by GitBox <gi...@apache.org>.
adoroszlai commented on pull request #1740:
URL: https://github.com/apache/ozone/pull/1740#issuecomment-771723892


   /pending The idea of the jira was to investigate why the below code was getting executed.


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[GitHub] [ozone] adoroszlai commented on pull request #1740: HDDS-4616. Deleted TXID not found can be printed many times

Posted by GitBox <gi...@apache.org>.
adoroszlai commented on pull request #1740:
URL: https://github.com/apache/ozone/pull/1740#issuecomment-771723892


   /pending The idea of the jira was to investigate why the below code was getting executed.


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[GitHub] [ozone] sky76093016 commented on pull request #1740: HDDS-4616. Deleted TXID not found can be printed many times

Posted by GitBox <gi...@apache.org>.
sky76093016 commented on pull request #1740:
URL: https://github.com/apache/ozone/pull/1740#issuecomment-754504894


   Regarding this issue, what is @lokeshj1703 's opinion?Thank you.


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[GitHub] [ozone] lokeshj1703 commented on pull request #1740: HDDS-4616. Deleted TXID not found can be printed many times

Posted by GitBox <gi...@apache.org>.
lokeshj1703 commented on pull request #1740:
URL: https://github.com/apache/ozone/pull/1740#issuecomment-754539002


   @sky76093016 I made it debug in HDDS-4356 because it was being printed thousands of times during deletion. The idea of the jira was to investigate why the below code was getting executed. On receiving ACK from all datanodes SCM purges delete transaction from DB. If transaction is being resent after purge then this log can be printed. I wanted to understand the scenario because there might be a case where delete txn is being resent although it has been ACKed by the datanodes.
   
   ```
           if (block == null) {	
             if (LOG.isDebugEnabled()) {	
               // This can occur due to race condition between retry and old	
               // service task where old task removes the transaction and the new	
               // task is resending	
               LOG.debug("Deleted TXID {} not found.", txID);	
             }	
             continue;	
           }
   ```


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