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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2022/02/23 02:39:41 UTC

[GitHub] [hadoop] jianghuazhu commented on pull request #4010: HDFS-16476.Increase the number of metrics used to record PendingRecoveryBlocks.

jianghuazhu commented on pull request #4010:
URL: https://github.com/apache/hadoop/pull/4010#issuecomment-1048400030


   There are some ci/cd related failures here that don't seem to be related.
   Here is an example with some online clusters, obtained by getting the NameNode's jmx:
   ![image](https://user-images.githubusercontent.com/6416939/155253064-6e3f37ae-9595-40ee-9102-100c50c72df8.png)
   
   Regarding the display of logarithms, I think the block recovery work is something between NameNode and DataNode, so in the RBF module, I implemented a default value. E.g:
   public int getPendingRecoveryBlocks() {
        return 0;
      }
   If compatibility with RBF is required in the future, it can be achieved with minimal code changes.
   
   Would you guys help to review this PR, @ayushtkn  @virajjasani .
   Thank you very much.
   


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