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https://issues.apache.org/jira/browse/ACCUMULO-4446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15458977#comment-15458977
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Josh Elser commented on ACCUMULO-4446:
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+1 An INFO log statement before attempting to acquire the lock and then after
the lock is acquired would be great.
Ensuring that these exist for the Master, TabletServer, and
SimpleGarbageCollector would also be great!
> Add info log line in `getMonitorLock()`
> ----------------------------------------
>
> Key: ACCUMULO-4446
> URL: https://issues.apache.org/jira/browse/ACCUMULO-4446
> Project: Accumulo
> Issue Type: Improvement
> Components: monitor
> Reporter: Srikanth Viswanathan
> Priority: Trivial
>
> When the monitor starts up and hangs on acquiring the monitor lock (for
> whatever reason, perhaps there's another monitor instance already holding the
> lock), there is no suggestion in the logs that the monitor is waiting on a
> lock. An info log would be appropriate here, along with a debug line for each
> failed attempt.
> Ref:
> https://github.com/apache/accumulo/blob/master/server/monitor/src/main/java/org/apache/accumulo/monitor/Monitor.java#L601
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