Quanlong Huang created HDFS-16535:
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Summary: SlotReleaser should reuse the domain socket based on
socket paths
Key: HDFS-16535
URL: https://issues.apache.org/jira/browse/HDFS-16535
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs-client
Affects Versions: 3.3.1, 3.4.0
Reporter: Quanlong Huang
HDFS-13639 improves the performance of short-circuit shm slot releasing by
reusing the domain socket that the client previously used to send release
request to the DataNode.
This is good when there are only one DataNode locates with the client (truth in
most of the production environment). However, if we launch multiple DataNodes
on a machine (usually for testing, e.g. Impala's end-to-end tests), the request
could be sent to the wrong DataNode. See an example in IMPALA-11234.
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