Venugopal Reddy K created IMPALA-15451:
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Summary: Catalogd consumes noticeable CPU on an idle cluster when
hierarchical event processing is enabled.
Key: IMPALA-15451
URL: https://issues.apache.org/jira/browse/IMPALA-15451
Project: IMPALA
Issue Type: Bug
Components: Catalog
Reporter: Venugopal Reddy K
Assignee: Venugopal Reddy K
Catalogd consumes noticeable CPU on a completely idle cluster when hierarchical
event processing is enabled. It was reported at ~14% of a core with no queries
running and no HMS events arriving.
{noformat}
# top -p 115429
top - 14:26:17 up 642 days, 22:11, 2 users, load average: 1.36, 1.13, 1.16
Tasks: 1 total, 0 running, 1 sleeping, 0 stopped, 0 zombie
%Cpu(s): 1.9 us, 1.1 sy, 0.0 ni, 96.8 id, 0.0 wa, 0.0 hi, 0.2 si, 0.0 st
MiB Mem : 257561.6 total, 135617.4 free, 53952.7 used, 67991.5 buff/cache
MiB Swap: 126976.0 total, 122672.7 free, 4303.3 used. 196004.1 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
115429 impala 20 0 3585756 1.0g 28436 S 14.0 0.4 969:24.08 catalogd
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