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Posted to issues@kudu.apache.org by "David Alves (JIRA)" <ji...@apache.org> on 2016/10/24 20:47:58 UTC

[jira] [Comment Edited] (KUDU-237) Support for encoding REINSERT

    [ https://issues.apache.org/jira/browse/KUDU-237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15576318#comment-15576318 ] 

David Alves edited comment on KUDU-237 at 10/24/16 8:47 PM:
------------------------------------------------------------

I'm tentatively targeting this for 1.2. An old patch is available at: https://gerrit.cloudera.org/#/c/4627/


was (Author: dralves):
I'm tentatively targeting this for GA. An old patch is available at: https://gerrit.cloudera.org/#/c/4627/

> Support for encoding REINSERT
> -----------------------------
>
>                 Key: KUDU-237
>                 URL: https://issues.apache.org/jira/browse/KUDU-237
>             Project: Kudu
>          Issue Type: Sub-task
>          Components: tablet
>    Affects Versions: M3
>            Reporter: David Alves
>            Assignee: David Alves
>
> REINSERTS make us loose all previous row history. In-order for this not to happen we need to store them somehow. The concern is that if stored as regular mutations REINSERTS are rowwise and not column wise, which could represent a serious perf hit.



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