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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2021/04/08 01:22:53 UTC

[GitHub] [hadoop] Zhangshunyu removed a comment on pull request #2655: HDFS-15714: HDFS Provided Storage Read/Write Mount Support On-the-fly

Zhangshunyu removed a comment on pull request #2655:
URL: https://github.com/apache/hadoop/pull/2655#issuecomment-787926710


   @PHILO-HE by the way, the read write lock in 
   org/apache/hadoop/hdfs/server/datanode/BlockSender.java:267
   `try(AutoCloseableLock lock = datanode.data.acquireDatasetReadLock()) {`
   org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/ReplicaMap.java:155
   `try (AutoCloseableLock l = writeLock.acquire()) {`
   will dead lock
   pls check the code


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