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From "Phabricator (JIRA)" <>
Subject [jira] [Commented] (HIVE-5276) Skip useless string encoding stage for hiveserver2
Date Mon, 16 Sep 2013 02:06:52 GMT


Phabricator commented on HIVE-5276:

cwsteinbach has commented on the revision "HIVE-5276 [jira] Skip useless string encoding stage
for hiveserver2".

  ql/src/java/org/apache/hadoop/hive/ql/exec/ Let's get rid of this
comment and anything special we're doing for Hadoop 0.17. We deprecated support for that version
a long time ago.
  service/src/java/org/apache/hive/service/cli/operation/ I admit that
I haven't investigated this closely, but the fact that we're overriding a user-configurable
property with a hardcoded value seems like a red flag. If this is genuinely necessary can
you please add a comment explaining the rationale? Thanks.
  ql/src/java/org/apache/hadoop/hive/ql/exec/ We deprecated support
for 0.17 and 0.18 a long time ago. Please remove.
  common/src/java/org/apache/hadoop/hive/conf/ Please add this to conf/hive-default.xml.template
along with a template explaining what it does. Also, is this something that we really want
to expose to users at this point in time?


To: JIRA, navis
Cc: cwsteinbach

> Skip useless string encoding stage for hiveserver2
> --------------------------------------------------
>                 Key: HIVE-5276
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>          Components: HiveServer2
>            Reporter: Navis
>            Assignee: Navis
>            Priority: Minor
>         Attachments: HIVE-5276.D12879.1.patch
> Current hiveserver2 acquires rows in string format which is used for cli output. Then
convert them into row again and convert to final format lastly. This is inefficient and memory

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