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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