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Posted to issues-all@impala.apache.org by "Kurt Deschler (Jira)" <ji...@apache.org> on 2021/09/14 14:02:00 UTC
[jira] [Commented] (IMPALA-10714) Intermittent
DCHECK(read_iter->read_page_->attached_to_output_batch) in tests
[ https://issues.apache.org/jira/browse/IMPALA-10714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17414955#comment-17414955 ]
Kurt Deschler commented on IMPALA-10714:
----------------------------------------
There seems to be some history with this assert and attempts to fix it. Apparently there is still a timing hole.
> Intermittent DCHECK(read_iter->read_page_->attached_to_output_batch) in tests
> -----------------------------------------------------------------------------
>
> Key: IMPALA-10714
> URL: https://issues.apache.org/jira/browse/IMPALA-10714
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Reporter: Zoltán Borók-Nagy
> Priority: Major
> Labels: broken-build, flaky
>
> TestSpillingDebugActionDimensions::test_spilling_large_rows hit DCHECK in exhaustive build.
> The Impala git hash was: e11237e29 IMPALA-10197: Add KUDU_REPLICA_SELECTION query option
> In impalad.FATAL:
> {noformat}
> F0525 12:45:49.307780 13122 buffered-tuple-stream.cc:531] 564af337ca503984:f1209fc400000000] Check failed: read_iter->read_page_->attached_to_output_batch
> {noformat}
> Query 564af337ca503984:f1209fc400000000 was:
> {noformat}
> I0525 12:45:48.474383 17878 impala-server.cc:1324] 564af337ca503984:f1209fc400000000] Registered query query_id=564af337ca503984:f1209fc400000000 session_id=9e4875c17adf5e7a:eb72d33dc39b5288
> I0525 12:45:48.474486 17878 Frontend.java:1618] 564af337ca503984:f1209fc400000000] Analyzing query: select group_concat(string_col), length(bigstr) from bigstrs2
> group by bigstr db: test_spilling_large_rows_119f6bb1
> {noformat}
> I couldn't reproduce the issue locally.
>
>
> {code:java}
> be/src/runtime/buffered-tuple-stream.cc:531
> 530 DCHECK_NE(&*read_iter->read_page_, write_page_);
> 531 DCHECK(read_iter->read_page_->attached_to_output_batch);
> 532 pages_.pop_front();
> {code}
>
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