Xiao Chen created HDFS-9701:
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Summary: DN may deadlock when hot-swapping under load
Key: HDFS-9701
URL: https://issues.apache.org/jira/browse/HDFS-9701
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Xiao Chen
Assignee: Xiao Chen
If the DN is under load (new blocks being written), a hot-swap task by {{hdfs
dfsadmin -reconfig}} may cause a dead lock.
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