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https://issues.apache.org/jira/browse/HUDI-845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17213518#comment-17213518
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liwei commented on HUDI-845:
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[~vbalaji] hi , in https://issues.apache.org/jira/browse/HUDI-944 is plan to
support concurrency write between partition first step . this issue is plan
to support concurrency write more general? if so can do it in this issue :D.
> Allow parallel writing and move the pending rollback work into cleaner
> ----------------------------------------------------------------------
>
> Key: HUDI-845
> URL: https://issues.apache.org/jira/browse/HUDI-845
> Project: Apache Hudi
> Issue Type: Improvement
> Components: Writer Core
> Reporter: Vinoth Chandar
> Assignee: Balaji Varadarajan
> Priority: Blocker
> Labels: help-requested
> Fix For: 0.7.0
>
>
> Things to think about
> * Commit time has to be unique across writers
> * Parallel writers can finish commits out of order i.e c2 commits before c1.
> * MOR log blocks fence uncommited data..
> * Cleaner should loudly complain if it cannot finish cleaning up partial
> writes.
>
> P.S: think about what is left for the general thing : log files may have
> different order, inserts may violate uniqueness constraint
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