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https://issues.apache.org/jira/browse/IMPALA-7648?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16729916#comment-16729916
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ASF subversion and git services commented on IMPALA-7648:
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Commit 11a48234ec61431bf88e1395997bdb90762ba4e3 in impala's branch
refs/heads/master from Tim Armstrong
[ https://git-wip-us.apache.org/repos/asf?p=impala.git;h=11a4823 ]
IMPALA-7648: add tests for OOM from scanning big string
This extends test_insert_large_string to exercise the OOM code path.
Change-Id: I0d1e9b2e8cf6e167da2542950ae90717d4865e9b
Reviewed-on: http://gerrit.cloudera.org:8080/12123
Reviewed-by: Tim Armstrong <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
> Add tests for all cases where OOM is expected
> ---------------------------------------------
>
> Key: IMPALA-7648
> URL: https://issues.apache.org/jira/browse/IMPALA-7648
> Project: IMPALA
> Issue Type: Test
> Components: Infrastructure
> Reporter: Tim Armstrong
> Assignee: Tim Armstrong
> Priority: Major
> Labels: resource-management
>
> We should add tests for most or all of the subtasks of IMPALA-4834 that
> exercise the expected OOM code path. I'll add some bullet points here to
> track what the coverage is and what's missing.
> * -Aggregations with large var-len string expressions-
> * -Top-N with large window-
> * -Kudu scans- : covered by kudu-scan-mem-usage.test
> * -Nested loop join- : covered by single-node-nlj-exhaustive.test
> * -Many duplicate keys on build side of hash join-
> * -Large number of NULLS on build side of NAAJ- : covered by
> spilling-naaj-no-deny-reservation.test
> * -HDFS table partitioned insert- : covered insert-mem-limit.test
> * -Large analytic window can't be spilled-
> * Queries processing large strings (may need multiple tests to cover
> different places). large_strings.test has some coverage
> * Parquet files with large pages
> * -Exchange uses a lot of memory-
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