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From "Phabricator (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-2907) Hive error when dropping a table with large number of partitions
Date Mon, 26 Mar 2012 21:38:34 GMT

     [ https://issues.apache.org/jira/browse/HIVE-2907?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Phabricator updated HIVE-2907:
------------------------------

    Attachment: HIVE-2907.D2505.3.patch

mousom updated the revision "HIVE-2907 [jira] Hive error when dropping a table with large
number of partitions".
Reviewers: JIRA, kevinwilfong

  Fixed drop_table2.q

REVISION DETAIL
  https://reviews.facebook.net/D2505

AFFECTED FILES
  metastore/src/test/org/apache/hadoop/hive/metastore/TestHiveMetaStore.java
  metastore/src/java/org/apache/hadoop/hive/metastore/HiveAlterHandler.java
  metastore/src/java/org/apache/hadoop/hive/metastore/ObjectStore.java
  common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
  ql/src/test/results/clientnegative/drop_table_failure3.q.out
  ql/src/test/results/clientpositive/drop_table2.q.out
  ql/src/test/queries/clientnegative/drop_table_failure3.q
  ql/src/test/queries/clientpositive/drop_table2.q
  ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java

                
> Hive error when dropping a table with large number of partitions
> ----------------------------------------------------------------
>
>                 Key: HIVE-2907
>                 URL: https://issues.apache.org/jira/browse/HIVE-2907
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>    Affects Versions: 0.9.0
>         Environment: General. Hive Metastore bug.
>            Reporter: Mousom Dhar Gupta
>            Priority: Minor
>             Fix For: 0.9.0
>
>         Attachments: HIVE-2907.1.patch.txt, HIVE-2907.D2505.1.patch, HIVE-2907.D2505.2.patch,
HIVE-2907.D2505.3.patch
>
>   Original Estimate: 10h
>  Remaining Estimate: 10h
>
> Running into an "Out Of Memory" error when trying to drop a table with 128K partitions.
> The methods dropTable in metastore/src/java/org/apache/hadoop/hive/metastore/ObjectStore.java

> and dropTable in ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java encounter out
of memory errors 
> when dropping tables with lots of partitions because they try to load the metadata for
every partition into memory.

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