HIVE-29420: Hive ACID: Cleaner mishandles retries of killed compactions #6281
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What changes were proposed in this pull request?
TxnUtils#createValidTxnListForCleanerfindReadyToCleaneligibility condition inReadyToCleanHandler(i.e. CQ_HIGHEST_WRITE_ID < MIN_OPEN_WRITE_ID - 1)
addWriteIdsToMinHistoryfrom AcidCompactionServiceWhy are the changes needed?
Compaction retries triggered by timeouts under an incorrect configuration pose a risk of data loss. If a compaction is re-attempted before the prior attempt has completed or been properly aborted, the Cleaner may observe multiple base directories with the same writeId and erroneously delete all of them.
Does this PR introduce any user-facing change?
No
How was this patch tested?
TestCleanerWithMinHistoryWriteId