ddanielr opened a new issue, #4219:
URL: https://github.com/apache/accumulo/issues/4219
**Describe the bug**
Currently the log warning message alerts when compactors have not checked
in for a given queue in a specific time interval.
This warning level message will show up when the system is in a normal
working state.
**Versions (OS, Maven, Java, and others, as appropriate):**
- Affected version(s) of this project: 2.1.x and newer.
**Expected behavior**
The warning log message should only be emitted when the system is not in a
normal working state.
**Additional context**
If the warn message log is updated to consider running compactions and
number of jobs in the queue before emitting the message, then this would reduce
the number of warn messages that don't require user action.
1. If a queue size is zero, then the following two situations are possible:
a. The compaction service may have been removed, along with its
compactors. In 2.1, that means the tserver should not have a corresponding
compaction queue defined, and the queue should be removed from the check.
b. The queue is empty, so the compactors have backed off checking. This
situation will be addressed by #4217
2. If long running compactions are keeping compactors busy, then
communication is still happening so the warn message is not accurate.
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