Details
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Improvement
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Status: Closed
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Major
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Resolution: Fixed
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1.0.0
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None
Description
- add a safeguard to make sure IN clause is not too large; break up by txn id to delete from TXN_COMPONENTS where tc_txnid in ...
- TxnHandler. openTxns() - use 1 insert with many rows in values() clause, rather than 1 DB roundtrip per row
Attachments
Attachments
Issue Links
- is related to
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HIVE-11948 Investigate TxnHandler and CompactionTxnHandler to see where we improve concurrency
- Resolved
- is required by
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HIVE-13335 tune TxnHandler.performTimeOuts() batch size
- Resolved