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https://issues.apache.org/jira/browse/HUDI-3831?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexey Kudinkin closed HUDI-3831.
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Resolution: Duplicate
> We need to revisit MOR block merging sequence
> ---------------------------------------------
>
> Key: HUDI-3831
> URL: https://issues.apache.org/jira/browse/HUDI-3831
> Project: Apache Hudi
> Issue Type: Bug
> Reporter: Alexey Kudinkin
> Assignee: Alexey Kudinkin
> Priority: Blocker
> Fix For: 0.12.0
>
>
> We need to revisit MOR block merging sequence and make sure that following
> invariants are upheld
> # Block have to be merged backward-pass (ie we first fetch all the blocks,
> and merge them in the reverse order of their timeline)
> # We should try to avoid having 2 merging sequences and instead consolidate
> on just one: right now we have "block + block", and "base + block", but we
> should be able to just get away with just the latter (this will simplify
> merging sequence quite substantially, for ex in respect to handling of
> deletions)
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