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https://issues.apache.org/jira/browse/HUDI-2116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17373599#comment-17373599
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ASF GitHub Bot commented on HUDI-2116:
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leesf commented on a change in pull request #3209:
URL: https://github.com/apache/hudi/pull/3209#discussion_r663088395
##########
File path:
hudi-sync/hudi-hive-sync/src/main/java/org/apache/hudi/hive/HiveSyncConfig.java
##########
@@ -104,6 +104,9 @@
@Parameter(names = {"--decode-partition"}, description = "Decode the
partition value if the partition has encoded during writing")
public Boolean decodePartition = false;
+ @Parameter(names = {"--batch-sync-num"}, description = "how many partitions
one batch when synchronous partitions to hive")
+ public String batchSyncNum = "1000";
Review comment:
Use Integer?
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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
> Labels: pull-request-available
> 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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