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https://issues.apache.org/jira/browse/HIVE-5091?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Phabricator updated HIVE-5091:
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Attachment: HIVE-5091.D12249.3.patch
omalley updated the revision "HIVE-5091 [jira] ORC files should have an option
to pad stripes to the HDFS block boundaries".
Updated test file dump output
Reviewers: JIRA
REVISION DETAIL
https://reviews.facebook.net/D12249
CHANGE SINCE LAST DIFF
https://reviews.facebook.net/D12249?vs=38865&id=39207#toc
AFFECTED FILES
common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcFile.java
ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcOutputFormat.java
ql/src/java/org/apache/hadoop/hive/ql/io/orc/ReaderImpl.java
ql/src/java/org/apache/hadoop/hive/ql/io/orc/WriterImpl.java
ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestNewIntegerEncoding.java
ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestOrcFile.java
ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestOrcNullOptimization.java
ql/src/test/resources/orc-file-dump.out
To: JIRA, omalley
Cc: hagleitn
> ORC files should have an option to pad stripes to the HDFS block boundaries
> ---------------------------------------------------------------------------
>
> Key: HIVE-5091
> URL: https://issues.apache.org/jira/browse/HIVE-5091
> Project: Hive
> Issue Type: Bug
> Components: File Formats
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Attachments: HIVE-5091.D12249.1.patch, HIVE-5091.D12249.2.patch,
> HIVE-5091.D12249.3.patch
>
>
> With ORC stripes being large, if a stripe straddles an HDFS block, the
> locality of read is suboptimal. It would be good to add padding to ensure
> that stripes don't straddle HDFS blocks.
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