[jira] [Updated] (HBASE-5205) Delete handles deleteFamily incorrectly

["Lars Hofhansl (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-5205?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lars Hofhansl updated HBASE-5205:
---------------------------------

    Hadoop Flags: Incompatible change
    
> Delete handles deleteFamily incorrectly
> ---------------------------------------
>
>                 Key: HBASE-5205
>                 URL: https://issues.apache.org/jira/browse/HBASE-5205
>             Project: HBase
>          Issue Type: Bug
>          Components: client
>            Reporter: Lars Hofhansl
>            Priority: Minor
>
> Delete.deleteFamily clears all other markers for the same family.
> That is not correct as some of these other markers might be for a later time.
> That logic should be removed.
> If (really) needed this can be slightly optimized by keeping track of the max TS so far for each family.
> If both the TS-so-far and the TS of a new deleteFamily request is < LATEST_TIMESTAMP and the TS-so-far is < deleteFamily marker, then the previous delete marker can be removed.
> I think that might be overkill, as most deletes issued from clients are for LATEST_TIMESTAMP (which the server translates to the current time).
> I'll have a (one-line) patch soon. Unless folks insist on the optimization I mentioned above.

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