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https://issues.apache.org/jira/browse/IMPALA-10714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17416119#comment-17416119
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Qifan Chen commented on IMPALA-10714:
-------------------------------------
Found that backend hang in the same test in an exhaustive release build
[here|https://master-03.jenkins.cloudera.com/view/Impala/view/Evergreen-cdpd-master-staging/job/impala-cdpd-master-staging-exhaustive-release/lastCompletedBuild/testReport/query_test.test_spilling/TestSpillingDebugActionDimensions/test_spilling_large_rows_protocol__beeswax___exec_option____mt_dop___1___debug_action_____1_OPEN_SET_DENY_RESERVATION_PROBABILITY_1_0____default_spillable_buffer_size____256k_____table_format__parquet_none_/].
This is different from hitting DCHECK() reported in the case but can be
related.
{code:java}
Stacktrace
query_test/test_spilling.py:83: in test_spilling_large_rows
self.run_test_case('QueryTest/spilling-large-rows', vector, unique_database)
common/impala_test_suite.py:721: in run_test_case
result = exec_fn(query, user=test_section.get('USER', '').strip() or None)
common/impala_test_suite.py:656: in __exec_in_impala
result = self.__execute_query(target_impalad_client, query, user=user)
common/impala_test_suite.py:981: in __execute_query
return impalad_client.execute(query, user=user)
common/impala_connection.py:215: in execute
return self.__beeswax_client.execute(sql_stmt, user=user)
beeswax/impala_beeswax.py:207: in execute
result = self.fetch_results(query_string, handle)
beeswax/impala_beeswax.py:454: in fetch_results
exec_result = self.__fetch_results(query_handle, max_rows)
beeswax/impala_beeswax.py:465: in __fetch_results
results = self.__do_rpc(lambda: self.imp_service.fetch(handle, False,
fetch_rows))
beeswax/impala_beeswax.py:522: in __do_rpc
raise ImpalaBeeswaxException(self.__build_error_message(b), b)
E ImpalaBeeswaxException: ImpalaBeeswaxException:
E INNER EXCEPTION: <class 'beeswaxd.ttypes.BeeswaxException'>
E MESSAGE: Query 164a0b7324df4272:7800105200000000 cancelled due to
unresponsive backend: 127.0.0.1:27000 has not sent a report in 781251ms (max
allowed lag is 720000ms)
{code}
> 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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