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https://issues.apache.org/jira/browse/IMPALA-12547?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on IMPALA-12547 started by Sai Hemanth Gantasala.
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> Set the default worker threads for compaction to 1
> --------------------------------------------------
>
> Key: IMPALA-12547
> URL: https://issues.apache.org/jira/browse/IMPALA-12547
> Project: IMPALA
> Issue Type: Wish
> Components: fe
> Reporter: Sai Hemanth Gantasala
> Assignee: Sai Hemanth Gantasala
> Priority: Major
>
> Set the default worker threads for compaction to 1.
> Currently worker threads for compaction to 4, as a result, in the external
> frontend mode, there are a lot of calls to HMS in idle state. So, it is
> flooding the catalogD log with unnecessary calls to HMS.
> {code:java}
> I0503 14:13:26.944278 15874 CatalogMetastoreServer.java:215] Invoking HMS
> API: get_current_notificationEventId
> I0503 14:13:26.948185 15874 CatalogMetastoreServer.java:215] Invoking HMS
> API: get_config_value
> I0503 14:13:26.949983 15874 CatalogMetastoreServer.java:215] Invoking HMS
> API: get_next_notification
> I0503 14:13:41.494956 15300 CatalogMetastoreServer.java:215] Invoking HMS
> API: find_next_compact2
> I0503 14:13:41.501145 15303 CatalogMetastoreServer.java:215] Invoking HMS
> API: find_next_compact2
> I0503 14:13:41.507638 15306 CatalogMetastoreServer.java:215] Invoking HMS
> API: find_next_compact2
> I0503 14:13:41.541407 15309 CatalogMetastoreServer.java:215] Invoking HMS
> API: find_next_compact2{code}
> After the above-proposed values for the configs, this is the log info in an
> idle state.
> {code:java}
> I1107 15:58:03.130424 533568 CatalogMetastoreServer.java:215] Invoking HMS
> API: get_next_notification
> I1107 15:58:03.157773 533460 CatalogMetastoreServer.java:215] Invoking HMS
> API: scheduled_query_poll
> I1107 15:58:03.178020 533480 CatalogMetastoreServer.java:215] Invoking HMS
> API: find_next_compact2 {code}
>
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