Csaba Ringhofer created IMPALA-10656:
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Summary: Fire insert events before commit
Key: IMPALA-10656
URL: https://issues.apache.org/jira/browse/IMPALA-10656
Project: IMPALA
Issue Type: Bug
Components: Backend, Frontend
Reporter: Csaba Ringhofer
Currently Impala commits an insert first, then reloads the table from HMS, and
generates the insert events based on the difference between the two snapshots.
(e.g. which file was not present in the old snapshot but are there in the new).
Hive replication expects the insert events before the commit, so this may
potentially lead to issues there,
The solution is to collect the new files during the insert in the backend, and
send the insert events based on this file set.
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