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https://issues.apache.org/jira/browse/SPARK-31112?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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deshanxiao updated SPARK-31112:
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Description: Now, we use HiveClientImpl to access hive metastore. However,
a long running rpc in hive will block all of the query. Currently, we use the
member of externalCatalog in ShardState to access. Maybe, we can use multiple
extrenal catalog instance to speed up metastore access in read-only situation.
(was: Now, we use HiveClientImpl to access hive metastore. However, a long
running rpc in hive will block all of the query. Currently, we use the member
of externalCatalog in ShardState to access. Maybe, we can use )
> Use multiple extrenal catalog to speed up metastore access
> ----------------------------------------------------------
>
> Key: SPARK-31112
> URL: https://issues.apache.org/jira/browse/SPARK-31112
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: deshanxiao
> Priority: Major
>
> Now, we use HiveClientImpl to access hive metastore. However, a long running
> rpc in hive will block all of the query. Currently, we use the member of
> externalCatalog in ShardState to access. Maybe, we can use multiple extrenal
> catalog instance to speed up metastore access in read-only situation.
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