sivabalan narayanan created HUDI-5432:
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Summary: Fix adding back a log block w/ same commit time as
previously rolled back one
Key: HUDI-5432
URL: https://issues.apache.org/jira/browse/HUDI-5432
Project: Apache Hudi
Issue Type: Bug
Components: metadata
Reporter: sivabalan narayanan
sample scenario
lb1_c1, lb2_c2, lb3_c3, lb4_rb_c3, lb5_v4, lb6_c3.
here we are adding c3 commit, and then rollbacking back c3 (i.e lb3 should be
considered invalid).
after sometime, we add another valid log block with same c3 as commit time. So,
we should ensure lb6 is valid here and only lb3 is invalid.
Especially with repeated attempts of compaction/clustering in DT, very likely
this will happen in MDT while trying to update it.
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