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https://issues.apache.org/jira/browse/IMPALA-12426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17820117#comment-17820117
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ASF subversion and git services commented on IMPALA-12426:
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Commit 49ffa3cc9a872bdf4e3cd5e620296ef76ab010d2 in impala's branch
refs/heads/master from jasonmfehr
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=49ffa3cc9 ]
IMPALA-12426: (Addendum) Remove Usage of Unnecessary this->
The commit 408c606 added code that used the pattern "this->"
unnecessarily. Remove instances of using "this->" from the code changes
in this commit.
Change-Id: Ia6b1d8ba7e27d20ba1ac83caff5e56fd0f9347c0
Reviewed-on: http://gerrit.cloudera.org:8080/21047
Reviewed-by: Riza Suminto <[email protected]>
Reviewed-by: Michael Smith <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
> SQL Interface to Completed Queries/DDLs/DMLs
> --------------------------------------------
>
> Key: IMPALA-12426
> URL: https://issues.apache.org/jira/browse/IMPALA-12426
> Project: IMPALA
> Issue Type: New Feature
> Components: Backend, be
> Reporter: Jason Fehr
> Assignee: Jason Fehr
> Priority: Major
> Labels: impala, workload-management
>
> Implement a way of querying (via SQL) information about completed
> queries/ddls/dmls. Adds coordinator startup flags for users to specify that
> Impala will track completed queries in an internal table.
> Impala will create and maintain an internal Iceberg table named
> "impala_query_log" in the "system database" that contains all completed
> queries. This table is automatically created at startup by each coordinator
> if it does not exist. Then, each completed query is queued in memory and
> flushed to the query history table either at a set interval (user specified
> number of minutes) or when a user specified number of completed queries are
> queued in memory. Partition this table by the hour of the query end time.
> Data in this table must match the corresponding data in the query profile.
> Develop automated testing that asserts this requirement is true.
> Don't write use, show, and set queries to this table.
> Add the following metrics to the "impala-server" metrics group:
> * Number of completed queries queued in memory waiting to be written to the
> table.
> * Number of completed queries successfully written to the table.
> * Number of attempts that failed to write completed queries to the table.
> * Number of times completed queries were written at the regularly scheduled
> time.
> * Number of times completed queries were written before the scheduled time
> because the max number of queued records was reached.
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