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