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From "Phabricator (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-4000) Hive client goes into infinite loop at 100% cpu
Date Sun, 17 Feb 2013 14:19:14 GMT

     [ https://issues.apache.org/jira/browse/HIVE-4000?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Phabricator updated HIVE-4000:
------------------------------

    Attachment: HIVE-4000.D8493.2.patch

omalley updated the revision "HIVE-4000 [jira] Hive client goes into infinite loop at 100%
cpu".

  Fixed a couple of spots where the id was null and caused problems for
  the hashmap.

Reviewers: ashutoshc, JIRA

REVISION DETAIL
  https://reviews.facebook.net/D8493

CHANGE SINCE LAST DIFF
  https://reviews.facebook.net/D8493?vs=27561&id=27903#toc

BRANCH
  hive-4000

ARCANIST PROJECT
  hive

AFFECTED FILES
  ql/src/java/org/apache/hadoop/hive/ql/QueryPlan.java
  ql/src/java/org/apache/hadoop/hive/ql/history/HiveHistory.java
  serde/src/java/org/apache/hadoop/hive/serde2/typeinfo/TypeInfoUtils.java

To: JIRA, ashutoshc, omalley
Cc: brock

                
> Hive client goes into infinite loop at 100% cpu
> -----------------------------------------------
>
>                 Key: HIVE-4000
>                 URL: https://issues.apache.org/jira/browse/HIVE-4000
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.9.0
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>             Fix For: 0.10.1
>
>         Attachments: HIVE-4000.D8493.1.patch, HIVE-4000.D8493.2.patch
>
>
> The Hive client starts multiple threads to track the progress of the MapReduce jobs.
Unfortunately those threads access several static HashMaps that are not protected by locks.
When the HashMaps are modified, they sometimes cause race conditions that lead to the client
threads getting stuck in infinite loops.

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