James Taylor created PHOENIX-938:
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Summary: Use higher priority queue for index updates to prevent
deadlock
Key: PHOENIX-938
URL: https://issues.apache.org/jira/browse/PHOENIX-938
Project: Phoenix
Issue Type: Bug
Affects Versions: 4.0.0, 4.1
Reporter: James Taylor
Assignee: Jesse Yates
With our current global secondary indexing solution, a batched Put of table
data causes a RS to do a batch Put to other RSs. This has the potential to lead
to a deadlock if all RS are overloaded and unable to process the pending
batched Put. To prevent this, we should use a higher priority queue to submit
these Puts so that they're always processed before other Puts. This will
prevent the potential for a deadlock under high load. Note that this will
likely require some HBase 0.98 code changes and would not be feasible to
implement for HBase 0.94.
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