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https://issues.apache.org/jira/browse/IMPALA-13201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17930578#comment-17930578
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ASF subversion and git services commented on IMPALA-13201:
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Commit 4ff88a013ee5e9409edb8ba11ab0cff92e86ef45 in impala's branch
refs/heads/master from Fang-Yu Rao
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=4ff88a013 ]
IMPALA-13201 (Addendum): Fix a typo in impala_admission_config.xml
This patch fixes a typo in impala_admission_config.xml so the document
could be correctly produced.
Testing:
- Manually verified that the document impala.pdf could be produced
under the folder "docs/build" after we executed "make" under the
folder "docs".
Change-Id: I79a6a1a4917b09c4c3dc60a3e1c8d37bc8066f1c
Reviewed-on: http://gerrit.cloudera.org:8080/22539
Reviewed-by: Impala Public Jenkins <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
> Queries Against System Tables Must Not Be Subject to Admission Control
> ----------------------------------------------------------------------
>
> Key: IMPALA-13201
> URL: https://issues.apache.org/jira/browse/IMPALA-13201
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Reporter: Jason Fehr
> Assignee: Jason Fehr
> Priority: Critical
> Labels: workload-management
>
> Impala system tables are in-memory coordinator-only virtual tables without
> any backing of data on disk. Currently, the only system table is
> sys.impala_query_live. Since these tables only exist in coordinator memory,
> queries that only select from these tables do not need to by subject to
> admission control.
> Modify Impala so that queries that only reference system tables are not
> subject to admission control and can run if there is enough available memory
> on the coordinator.
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