Tao Jie created HDFS-13411:
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Summary: Should log more information when FSNameSystem is locked
for a long time
Key: HDFS-13411
URL: https://issues.apache.org/jira/browse/HDFS-13411
Project: Hadoop HDFS
Issue Type: Improvement
Affects Versions: 3.0.0, 2.8.2
Reporter: Tao Jie
Assignee: Tao Jie
Today when one RPC to namenode locks FSNameSystem for a long time, it would
print the stacktrace to the namenode log. However all we know from this log is
the operation name to the Namenode(such as create, delete).
It should print more information about the rpc call(like caller name, caller
ip, operation src), which blocks the namenode. So we can have a better tuning
to the HDFS.
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