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From "Shivendra Pratap Singh (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-7826) Improve Hbase Thrift v1 to return results in sorted order
Date Fri, 12 Jul 2013 20:49:49 GMT

     [ https://issues.apache.org/jira/browse/HBASE-7826?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Shivendra Pratap Singh updated HBASE-7826:
------------------------------------------

    Attachment: hbase_7826_sortcolumnFlag.2.patch

Hi JD, Ted,

I have included the suggestions except the "The new patch still have a few offending lines:".
Do you mean in terms of indentation? Also, every now and then org.apache.hadoop.hbase.TestNodeHealthCheckChore
keeps failing for which there was another JIRA. I have tried increasing the timeout, but that
doesn't always help.

Running following tests after mvn clean works good:
mvn -Dtest=org.apache.hadoop.hbase.thrift.* test

Attaching the new patch.

Thanks,
Shivendra
                
> Improve Hbase Thrift v1 to return results in sorted order
> ---------------------------------------------------------
>
>                 Key: HBASE-7826
>                 URL: https://issues.apache.org/jira/browse/HBASE-7826
>             Project: HBase
>          Issue Type: New Feature
>          Components: Thrift
>    Affects Versions: 0.94.0
>            Reporter: Shivendra Pratap Singh
>            Assignee: Shivendra Pratap Singh
>            Priority: Minor
>              Labels: Hbase, Thrift
>         Attachments: hbase_7826.patch, hbase_7826.patch, hbase_7826_sortcolumnFlag.1.patch,
hbase_7826_sortcolumnFlag.2.patch, hbase_7826_sortcolumnFlag.patch
>
>
> Hbase natively stores columns sorted based on the column qualifier. A scan is guaranteed
to return sorted columns. The Java API works fine but the Thrift API is broken. Hbase uses
TreeMap that ensures that sort order is maintained. However Hbase thrift specification uses
a simple Map to store the data. A map, since it is unordered doesn't result in columns being
returned in a sort order that is consistent with their storage in Hbase.

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