Stephen Yuan Jiang created HBASE-15955:
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Summary: Disable action in CatalogJanitor#setEnabled should wait
for active cleanup scan to finish
Key: HBASE-15955
URL: https://issues.apache.org/jira/browse/HBASE-15955
Project: HBase
Issue Type: Bug
Components: master
Affects Versions: 1.0.0, 2.0.0
Reporter: Stephen Yuan Jiang
Assignee: Stephen Yuan Jiang
When user calls Admin.enableCatalogJanitor(false) to disable the catalog
janitor, it expects that the janitor would stop working once the API returns.
It is not true, the janitor could have an active scan going on and clean up
unused region. The 'false' state would be enforced during the next background
runs.
To avoid confusing, if 'CatalogJanitor.enabled' is true and we want to set to
false in CatalogJanitor#setEnabled, the function should wait for the on-going
active scan to complete.
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