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Posted to dev@phoenix.apache.org by "Samarth Jain (JIRA)" <ji...@apache.org> on 2015/04/03 01:57:54 UTC

[jira] [Created] (PHOENIX-1805) Phoenix doesn't handle splits that happen after fetching of the first batch of records for a query

Samarth Jain created PHOENIX-1805:
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             Summary: Phoenix doesn't handle splits that happen after fetching of the first batch of records for a query
                 Key: PHOENIX-1805
                 URL: https://issues.apache.org/jira/browse/PHOENIX-1805
             Project: Phoenix
          Issue Type: Bug
            Reporter: Samarth Jain


Copy pasting email response with [~jamestaylor]

The case that is handled today:
- client-side caches region boundaries (HBase does this in HConnection).
- at some point a split occurs
- some point later, a query runs. The stale region boundaries would be used for parallelization.
- we detect this in the first batch, update the region boundaries, and rerun the failed chunk.

However, if the split happens after the first batch is fetched, then the query fails.



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