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https://issues.apache.org/jira/browse/IMPALA-10567?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tamas Mate updated IMPALA-10567:
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Target Version: Impala 4.2.0
> Failed close open session in flight on impalad web UI
> -----------------------------------------------------
>
> Key: IMPALA-10567
> URL: https://issues.apache.org/jira/browse/IMPALA-10567
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Reporter: Jimi
> Priority: Blocker
> Attachments: image-2021-03-09-11-12-01-488.png,
> image-2021-03-09-11-12-10-922.png, image-2021-03-09-11-12-14-683.png
>
>
> when up to fe_service_threads limit, it will be hang open connection from the
> jdbc client.
> Then i close in-flight session on impalad web UI, it still to hang it. my
> impala version is 3.2.0-SNAPSHOT.
> After close in-flight session on impalad web UI, some metrics follows:
> !image-2021-03-09-11-12-01-488.png|width=1509,height=246!
> !image-2021-03-09-11-12-10-922.png|width=1563,height=221!!image-2021-03-09-11-12-14-683.png|width=1826,height=223!
> {{}}{{}}
> {code:java}
> //代码占位符
> impala-server.num-fragments-in-flight:63
> impala-server.num-open-hiveserver2-sessions:63
> impala-server.num-queries-registered:63
> impala.thrift-server.hiveserver2-frontend.connections-in-use:64
> {code}
>
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