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

["Xiaoqiao He (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-16658?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiaoqiao He resolved HDFS-16658.
--------------------------------
    Fix Version/s: 3.4.0
     Hadoop Flags: Reviewed
       Resolution: Fixed

Committed to trunk. Thanks [~xuzq_zander].

> 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
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>          Time Spent: 1.5h
>  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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