dingshun3016 opened a new pull request, #5170: URL: https://github.com/apache/hadoop/pull/5170
When patching the datanode's fine-grained lock, we found that the datanode couldn't start,maybe happened deadlock,when addBlockPool, so we can remove it. org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl#addBlockPool get writeLock org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl#deepCopyReplica need readLock because it is not the same thread, so the write lock cannot be downgraded to a read lock -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org