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https://issues.apache.org/jira/browse/HIVE-2907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13239099#comment-13239099
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Phabricator commented on HIVE-2907:
-----------------------------------
kevinwilfong has commented on the revision "HIVE-2907 [jira] Hive error when
dropping a table with large number of partitions".
INLINE COMMENTS
metastore/src/test/org/apache/hadoop/hive/metastore/TestHiveMetaStore.java:464-465
Why are you checking for values.size() / 2 here? Admittedly, this works, but
shouldn't it be just 2? Or shouldn't you use values.size() / 2 in line 461?
metastore/src/test/org/apache/hadoop/hive/metastore/TestHiveMetaStore.java:463
sp returned
metastore/src/test/org/apache/hadoop/hive/metastore/TestHiveMetaStore.java:506-507
Same here re values.size() / 2 vs. 2
metastore/src/test/org/apache/hadoop/hive/metastore/TestHiveMetaStore.java:505
same here re returned sp
metastore/src/test/org/apache/hadoop/hive/metastore/TestHiveMetaStore.java:512
sp returned
metastore/src/test/org/apache/hadoop/hive/metastore/TestHiveMetaStore.java:470
sp returned
REVISION DETAIL
https://reviews.facebook.net/D2505
> 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, HIVE-2907.D2505.4.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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