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https://issues.apache.org/jira/browse/HIVE-7975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14122361#comment-14122361
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Hive QA commented on HIVE-7975:
-------------------------------
{color:green}Overall{color}: +1 all checks pass
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12666617/HIVE-7975.2.patch
{color:green}SUCCESS:{color} +1 6139 tests passed
Test results:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/647/testReport
Console output:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/647/console
Test logs:
http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-647/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12666617
> HS2 memory optimization: Internalizing instance fields of Thrift-generated
> metastore API classes
> ------------------------------------------------------------------------------------------------
>
> Key: HIVE-7975
> URL: https://issues.apache.org/jira/browse/HIVE-7975
> Project: Hive
> Issue Type: Improvement
> Reporter: Wilbur Yang
> Assignee: Wilbur Yang
> Fix For: 0.14.0
>
> Attachments: HIVE-7975-doc.pdf, HIVE-7975.1.patch, HIVE-7975.2.patch
>
>
> We should internalize the String-based instance fields of the metastore API
> classes FieldSchema, Partition, SerDeInfo, and StorageDescriptor in order to
> save memory. In a test environment with data consisting of about 1800
> partitions, the proposed changes are able to save about 24% of old generation
> memory during a complex query. See details in the attached document.
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