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https://issues.apache.org/jira/browse/HIVE-5546?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashutosh Chauhan updated HIVE-5546:
-----------------------------------
Resolution: Fixed
Fix Version/s: 0.13.0
Status: Resolved (was: Patch Available)
Committed to trunk. Thanks, Yin!
> A change in ORCInputFormat made by HIVE-4113 was reverted by HIVE-5391
> ----------------------------------------------------------------------
>
> Key: HIVE-5546
> URL: https://issues.apache.org/jira/browse/HIVE-5546
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.13.0
> Reporter: Yin Huai
> Assignee: Yin Huai
> Fix For: 0.13.0
>
> Attachments: HIVE-5546.1.patch, HIVE-5546.2.patch
>
>
> {code}
> 2013-10-15 10:49:49,386 INFO org.apache.hadoop.hive.ql.io.orc.OrcInputFormat:
> included column ids =
> 2013-10-15 10:49:49,386 INFO org.apache.hadoop.hive.ql.io.orc.OrcInputFormat:
> included columns names =
> 2013-10-15 10:49:49,386 INFO org.apache.hadoop.hive.ql.io.orc.OrcInputFormat:
> No ORC pushdown predicate
> 2013-10-15 10:49:49,834 INFO
> org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader: Processing file
> hdfs://localhost:54310/user/hive/warehouse/web_sales_orc/000000_0
> 2013-10-15 10:49:49,834 INFO org.apache.hadoop.mapred.MapTask:
> numReduceTasks: 1
> 2013-10-15 10:49:49,840 INFO org.apache.hadoop.mapred.MapTask: io.sort.mb =
> 100
> 2013-10-15 10:49:49,968 INFO org.apache.hadoop.mapred.TaskLogsTruncater:
> Initializing logs' truncater with mapRetainSize=-1 and reduceRetainSize=-1
> 2013-10-15 10:49:49,994 INFO org.apache.hadoop.io.nativeio.NativeIO:
> Initialized cache for UID to User mapping with a cache timeout of 14400
> seconds.
> 2013-10-15 10:49:49,994 INFO org.apache.hadoop.io.nativeio.NativeIO: Got
> UserName yhuai for UID 1000 from the native implementation
> 2013-10-15 10:49:49,996 FATAL org.apache.hadoop.mapred.Child: Error running
> child : java.lang.OutOfMemoryError: Java heap space
> at
> org.apache.hadoop.mapred.MapTask$MapOutputBuffer.<init>(MapTask.java:949)
> at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:428)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:372)
> at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1136)
> at org.apache.hadoop.mapred.Child.main(Child.java:249)
> {code}
> If includedColumnIds is an empty list, we do not need to read any column.
> But, right now, in OrcInputFormat.findIncludedColumns, we have ...
> {code}
> if (ColumnProjectionUtils.isReadAllColumns(conf) ||
> includedStr == null || includedStr.trim().length() == 0) {
> return null;
> }
> {code}
> If includedStr is an empty string, the code assumes that we need all columns,
> which is not correct.
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