li created IMPALA-10567:
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Summary: 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
Reporter: li
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!
!image-2021-03-09-11-12-10-922.png!!image-2021-03-09-11-12-14-683.png!
{{}}{{}}
{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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