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

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

ZanderXu created HDFS-16658:
-------------------------------

             Summary: 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


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.
```
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());
      }
    ...
  }
```



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