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https://issues.apache.org/jira/browse/IMPALA-9375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17035809#comment-17035809
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Tim Armstrong commented on IMPALA-9375:
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[~vihangk1] is there a target version if this is critical?
> Remove DirectMetaProvider usage from CatalogMetaProvider
> --------------------------------------------------------
>
> Key: IMPALA-9375
> URL: https://issues.apache.org/jira/browse/IMPALA-9375
> Project: IMPALA
> Issue Type: Improvement
> Reporter: Vihang Karajgaonkar
> Priority: Critical
>
> I see that CatalogMetaProvider uses {{DirectMetaProvider}} here
> https://github.com/apache/impala/blob/master/fe/src/main/java/org/apache/impala/catalog/local/CatalogdMetaProvider.java#L239
> There are only a couple of places where it is used within
> CatalogMetaProvider. We should implement those remaining APIs in catalog-v2
> mode and remove the usage of DirectMetaProvider from CatalogMetaProvider.
> DirectMetaProvider starts by default a MetastoreClientPool (with 10
> connections). This is unnecessary given that catalog already makes the
> connections to HMS at its startup. It also slows down the coordinator startup
> time if there are HMS connection issues.
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