Michael Smith created IMPALA-13164:
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Summary: Add metrics for RPC reactor and deserialization threads
Key: IMPALA-13164
URL: https://issues.apache.org/jira/browse/IMPALA-13164
Project: IMPALA
Issue Type: Improvement
Components: Backend, Distributed Exec
Affects Versions: Impala 4.4.0
Reporter: Michael Smith
When Impala starts to build up a queue in an RPC service, we generally need to
start collecting pstacks to identify why the queue is backed up. It would help
to have metrics for RPC reactor and deserialization threads to tell when
they're fully loaded and building up a queue; this could identify when we need
to increase {{datastream_service_num_deserialization_threads}} or
{{num_reactor_threads}}.
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