László Végh created HIVE-26242:
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Summary: Compaction heartbeater improvements
Key: HIVE-26242
URL: https://issues.apache.org/jira/browse/HIVE-26242
Project: Hive
Issue Type: Improvement
Reporter: László Végh
The Compaction heartbeater should be improved the following ways:
* The metastore clients should be reused between heartbeats and closed only at
the end, when the transaction ends
* Instead of having a dedicated heartbeater thread for each Compaction
transaction, there should be shared a heartbeater executor where the heartbeat
tasks can be scheduled/submitted.
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