sivabalan narayanan created HUDI-5950:
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Summary: Fix pending instants determination for MDT compaction
Key: HUDI-5950
URL: https://issues.apache.org/jira/browse/HUDI-5950
Project: Apache Hudi
Issue Type: Bug
Components: metadata
Reporter: sivabalan narayanan
Currently the logic to deduce pending instants in MDT is as below
* a = we get latest completed delta commit from MDT.
* Find any inflights in DT timeline *before* \{a}
and if we don't find any such inflights, we will go ahead and may be compact
MDT.
But what incase the latest delta commit in MDT succeeded in MDT, but failed in
DT. so, it could potentially result in triggering compaction in MDT which
should not happen.
So, the right fix is
* a = we get latest completed delta commit from MDT.
* Find any inflights in DT timeline *before or equals* to \{a}
This should take care of not triggering compaction in MDT when here are
inflights in DT which is committed to MDT.
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