[jira] [Resolved] (TEPHRA-235) Flushes and compactions can remove committed data

["Poorna Chandra (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TEPHRA-235?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Poorna Chandra resolved TEPHRA-235.
-----------------------------------
    Resolution: Fixed

> Flushes and compactions can remove committed data
> -------------------------------------------------
>
>                 Key: TEPHRA-235
>                 URL: https://issues.apache.org/jira/browse/TEPHRA-235
>             Project: Tephra
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 0.11.0-incubating, 0.12.0-incubating
>            Reporter: Poorna Chandra
>            Assignee: Ali Anwar
>            Priority: Blocker
>             Fix For: 0.13.0-incubating
>
>
> Transaction co-processor uses the transaction snapshot generated by the Transaction Manager to remove deleted and invalid cells during HBase compactions and flushes. The co-processor expects the invalid list in the transaction snapshot to be sorted. However, the invalid list is not sorted during a snapshot creation in the Transaction Manager. This leads to invalid transactions becoming visible during compactions, and thus committed transactions with write pointers smaller than the invalid transaction will get removed.
> We missed this piece when fixing TEPHRA-223.



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