[jira] [Updated] (HBASE-14524) Short-circuit comparison of rows in CellComparator

["Anoop Sam John (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-14524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anoop Sam John updated HBASE-14524:
-----------------------------------
    Attachment: HBASE-14524.patch

Rebase for trunk

> Short-circuit comparison of rows in CellComparator
> --------------------------------------------------
>
>                 Key: HBASE-14524
>                 URL: https://issues.apache.org/jira/browse/HBASE-14524
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Lars Francke
>            Assignee: Lars Francke
>            Priority: Minor
>         Attachments: HBASE-14524.patch, HBASE-14524.patch, HBASE-14524.patch
>
>
> {{CellComparator#compareRows}} compares two rows. For Scans and Gets these objects can sometimes be exactly the same object.
> I see this (without fully understanding everything that's going on) for the first cell in each row.
> In these circumstances I think it makes sense to short-circuit the comparison (not do a byte comparison and class cast checks) and bail out early if the objects are identical.



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