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https://issues.apache.org/jira/browse/HUDI-2116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17372684#comment-17372684
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ASF GitHub Bot commented on HUDI-2116:
--------------------------------------
xiarixiaoyao opened a new pull request #3209:
URL: https://github.com/apache/hudi/pull/3209
…the oom of hive MetaStore
## *Tips*
- *Thank you very much for contributing to Apache Hudi.*
- *Please review https://hudi.apache.org/contributing.html before opening a
pull request.*
## What is the purpose of the pull request
<html>
<body>
<!--StartFragment--><p>when we try to sync 10w partitions to hive by using
HiveSyncTool lead to the oom of hive MetaStore。<br /> <br /> here is a
stress test for HiveSyncTool</p>
<p>env：</p>
<p>hive metastore -Xms16G -Xmx16G</p>
<p>hive.metastore.client.socket.timeout=10800</p>
<p> </p>
<div class="table-wrap">
partitionNum | time consume
-- | --
100 | 37s
1000 | 168s
5000 | 1830s
10000 | timeout
100000 | hive metastore oom
</div>
<p>HiveSyncTools sync all partitions to hive metastore at once。 when
the partitions num is large ，it puts a lot of pressure on hive metastore。 for
large partition num we should support batch sync 。</p><!--EndFragment-->
</body>
</html>
## Brief change log
*(for example:)*
- *Modify AnnotationLocation checkstyle rule in checkstyle.xml*
## Verify this pull request
UT added
## Committer checklist
- [ ] Has a corresponding JIRA in PR title & commit
- [ ] Commit message is descriptive of the change
- [ ] CI is green
- [ ] Necessary doc changes done or have another open PR
- [ ] For large changes, please consider breaking it into sub-tasks under
an umbrella JIRA.
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> sync 10w partitions to hive by using HiveSyncTool lead to the oom of hive
> MetaStore
> ------------------------------------------------------------------------------------
>
> Key: HUDI-2116
> URL: https://issues.apache.org/jira/browse/HUDI-2116
> Project: Apache Hudi
> Issue Type: Bug
> Components: Hive Integration
> Affects Versions: 0.8.0
> Environment: hive3.1.1
> hadoop 3.1.1
> Reporter: tao meng
> Assignee: tao meng
> Priority: Major
> Fix For: 0.10.0
>
>
> when we try to sync 10w partitions to hive by using HiveSyncTool lead to the
> oom of hive MetaStore。
>
> here is a stress test for HiveSyncTool
> env：
> hive metastore -Xms16G -Xmx16G
> hive.metastore.client.socket.timeout=10800
>
> ||partitionNum||time consume||
> |100|37s|
> |1000|168s|
> |5000|1830s|
> |10000|timeout|
> |100000|hive metastore oom|
> HiveSyncTools sync all partitions to hive metastore at once。 when the
> partitions num is large ，it puts a lot of pressure on hive metastore。 for
> large partition num we should support batch sync 。
>
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