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https://issues.apache.org/jira/browse/IMPALA-12264?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17904850#comment-17904850
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ASF subversion and git services commented on IMPALA-12264:
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Commit 2280c1362ebdc9f9827e1928e7b3a822b1533302 in impala's branch
refs/heads/master from Andrew Sherman
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=2280c1362 ]
IMPALA-12943: Document Admission Control User Quotas.
Document the feature introduced in IMPALA-12345. Add a few more tests to
the QuotaExamples test which demonstrate the examples used in the
docs.
Clarify in docs and code the behavior when a user is a member of more
than one group for which there are rules. In this case the least
restrictive rule applies.
Also document the '--max_hs2_sessions_per_user' flag introduced in
IMPALA-12264.
Change-Id: I82e044adb072a463a1e4f74da71c8d7d48292970
Reviewed-on: http://gerrit.cloudera.org:8080/22100
Reviewed-by: Impala Public Jenkins <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
> Add configuration to limit concurrent connections
> -------------------------------------------------
>
> Key: IMPALA-12264
> URL: https://issues.apache.org/jira/browse/IMPALA-12264
> Project: IMPALA
> Issue Type: New Feature
> Components: Backend
> Reporter: Quanlong Huang
> Assignee: Andrew Sherman
> Priority: Major
> Fix For: Impala 4.4.0
>
>
> To prevent a rogue application from repeatedly connecting to and monopolizing
> Impala, we can add configurations to limit concurrent connections. E.g. limit
> the number of concurrent connections per user, IP address, or the user and IP
> address combination.
> CC [[email protected]]
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