Xinyu Tan created RATIS-1867:
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Summary: To uniformly manage the timeout parameters for detecting
gc
Key: RATIS-1867
URL: https://issues.apache.org/jira/browse/RATIS-1867
Project: Ratis
Issue Type: Improvement
Reporter: Xinyu Tan
Assignee: Xinyu Tan
In the current followerState
[code|https://github.com/apache/ratis/blob/master/ratis-server/src/main/java/org/apache/ratis/server/impl/FollowerState.java#L129],
if the follower's actual time consumption exceeds a certain threshold due to
gc while sleeping, some exception logs will be printed. This
sleepDeviationThreshold is currently configurable. However, in
[JVMPauseMonitor|https://github.com/apache/ratis/blob/master/ratis-common/src/main/java/org/apache/ratis/util/JvmPauseMonitor.java#L
122], this WARN_THRESHOLD is currently not configurable.
If we want to print fewer logs in a severe GC scenario, just adjusting the
sleepDeviationThreshold parameter will not reduce the frequency of logging by
JVMPauseMonitor.
So I would like to discuss whether the WARN_THRESHOLD of JVMPauseMonitor can
also be reused with the sleepDeviationThreshold parameter? If not can we create
a new parameter?
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