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https://issues.apache.org/jira/browse/IMPALA-11572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18051975#comment-18051975
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Quanlong Huang commented on IMPALA-11572:
-----------------------------------------
Saw this again:
{code}
query_test.test_scanners.TestHdfsScannerSkew.test_mt_dop_skew_lpt["table_format:
text/none" | "protocol: hs2" | "exec_option: {'abort_on_error': 1,
'batch_size': 0, 'disable_codegen': False, 'disable_codegen_rows_threshold': 0,
'exec_single_node_rows_threshold': 0, 'num_nodes': 0, 'test_replan': 1,
'mt_dop': 2}"] (from pytest){code}
[https://jenkins.impala.io/job/ubuntu-20.04-dockerised-tests/4456/testReport/junit/query_test.test_scanners/TestHdfsScannerSkew/test_mt_dop_skew_lpt__table_format__text_none_____protocol__hs2_____exec_option____abort_on_error___1___batch_size___0___disable_codegen___False___disable_codegen_rows_threshold___0___exec_single_node_rows_threshold___0___num_nodes___0___test_replan___1___mt_dop___2___/]
{code}
query_test/test_scanners.py:461: in test_mt_dop_skew_lpt
assert cnt_fail <= 5
E assert 6 <= 5{code}
> TestHdfsScannerSkew.test_mt_dop_skew_lpt is flaky
> -------------------------------------------------
>
> Key: IMPALA-11572
> URL: https://issues.apache.org/jira/browse/IMPALA-11572
> Project: IMPALA
> Issue Type: Bug
> Reporter: Zoltán Borók-Nagy
> Assignee: Zoltán Borók-Nagy
> Priority: Major
> Labels: broken-build
> Fix For: Impala 4.3.0
>
> Attachments: profile-stdout.txt, profile-stdout2.txt, profile.txt
>
>
> The test can fail with:
> {noformat}
> query_test/test_scanners.py:428: in test_mt_dop_skew_lpt
> assert cnt_fail < 3
> E assert 3 < 3
> {noformat}
> We need to fine-tune the test to deflake it.
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