Surya Prasanna Yalla created HUDI-4829:
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Summary: Rollback of log compaction should use existing pending
rollback instants
Key: HUDI-4829
URL: https://issues.apache.org/jira/browse/HUDI-4829
Project: Apache Hudi
Issue Type: Bug
Reporter: Surya Prasanna Yalla
rollbackInflightLogCompaction(inflightInstant, s -> Option.empty());
*Comments*
shouldn't we pass getPendingRollbackInstantFunc in the 2nd argument.
the reason why we introduced the pending rollback is below.
Lets say c5 commit partially failed.
when we are looking to start a new commit, say C7, we deduct that c5 has failed
and we trigger a rollback named RB_5.
But lets say the process crashed mid-way for RB_5.
Next time we restart the pipeline for say C8. again we deduct that c5 is
partially failed and we want to rollback. but we don't want to create RB_9 for
this,but re-use RB_5 again and get it to completion.
So, rollbackPendingCompaction or rollbackPendingClustering should always try to
re-use rollback instants if any.
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