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Posted to hdfs-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/07/13 13:01:00 UTC

[jira] [Work logged] (HDFS-16658) BlockManager should output some logs when logEveryBlock is true.

     [ https://issues.apache.org/jira/browse/HDFS-16658?focusedWorklogId=790418&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-790418 ]

ASF GitHub Bot logged work on HDFS-16658:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 13/Jul/22 13:00
            Start Date: 13/Jul/22 13:00
    Worklog Time Spent: 10m 
      Work Description: ZanderXu opened a new pull request, #4559:
URL: https://github.com/apache/hadoop/pull/4559

   ### Description of PR
   During locating some abnormal cases about block replication in our prod environment, I found that BlockManager does not out put some logs in `addStoredBlock` even though `logEveryBlock` is true.
   
   I feel that we need to change the log level from DEBUG to INFO when `logEveryBlock` is true. So that we can more easily locate some abnormal cases.
   ```
   private Block addStoredBlock(final BlockInfo block,
                                  final Block reportedBlock,
                                  DatanodeStorageInfo storageInfo,
                                  DatanodeDescriptor delNodeHint,
                                  boolean logEveryBlock)
     throws IOException {
       ....
         if (logEveryBlock) {
           blockLog.debug("BLOCK* addStoredBlock: {} is added to {} (size={})",
               node, storedBlock, storedBlock.getNumBytes());
         }
       ...
     }
   ```
   




Issue Time Tracking
-------------------

            Worklog Id:     (was: 790418)
    Remaining Estimate: 0h
            Time Spent: 10m

> BlockManager should output some logs when logEveryBlock is true.
> ----------------------------------------------------------------
>
>                 Key: HDFS-16658
>                 URL: https://issues.apache.org/jira/browse/HDFS-16658
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: ZanderXu
>            Assignee: ZanderXu
>            Priority: Minor
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> During locating some abnormal cases in our prod environment, I found that BlockManager does not out put some logs in `addStoredBlock` even though `logEveryBlock` is true.
> I feel that we need to change the log level from DEBUG to INFO.
> {code:java}
> // Some comments here
> private Block addStoredBlock(final BlockInfo block,
>                                final Block reportedBlock,
>                                DatanodeStorageInfo storageInfo,
>                                DatanodeDescriptor delNodeHint,
>                                boolean logEveryBlock)
>   throws IOException {
>     ....
>       if (logEveryBlock) {
>         blockLog.debug("BLOCK* addStoredBlock: {} is added to {} (size={})",
>             node, storedBlock, storedBlock.getNumBytes());
>       }
>     ...
>   }
> {code}



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