Michael Wall created ACCUMULO-4615:
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Summary: ThreadPool timeout when checking tserver stats is
confusing
Key: ACCUMULO-4615
URL: https://issues.apache.org/jira/browse/ACCUMULO-4615
Project: Accumulo
Issue Type: Bug
Components: master
Affects Versions: 1.8.1
Reporter: Michael Wall
Priority: Minor
If it takes longer than the configured time to gather information from all the
tablet servers, the thread pool stops and processing continues with whatever
has been collected. Code is
https://github.com/apache/accumulo/blob/1.8/server/master/src/main/java/org/apache/accumulo/master/Master.java#L1120,
default timeout is 6s. Does not appear to be an issue prior to 1.8.
Best case, this was really confusing. The monitor page would have 30 tservers,
then 5 tservers. Didn't really see any other negative effects, no migrations
and no balancing appeared to be affected. Worse case though, I missed
something and the master is making decisions based on incomplete information.
[[email protected]] please add more info if needed.
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