Misconfigured aggregator can block table deletion
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Key: ACCUMULO-58
URL: https://issues.apache.org/jira/browse/ACCUMULO-58
Project: Accumulo
Issue Type: Bug
Components: tserver
Affects Versions: 1.3.5, 1.4.0, 1.5.0
Reporter: John Vines
Assignee: Keith Turner
Fix For: 1.5.0
If you misconfigure an aggregator such that it can't be loaded, it will cause a
tablet to indefinitely attempt to minor/major compact. If you attempt to delete
the table with this problem the tablet will never break out of the compaction
attempt to a point where it will detect it needs to delete. The only way to
break out of the loop is kill any tservers who are hosting tablets attempts to
be compacted. This definately exists in 1.3, fairly confident it affects the
other versions as well. We would need to have the compaction loops check
somehow to detect if the tablet needs to be deleted before reattempting.
Additionally, a functional test should be written to exercise this error to
prevent regression.
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