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https://issues.apache.org/jira/browse/HIVE-20959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16723350#comment-16723350
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Vihang Karajgaonkar commented on HIVE-20959:
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Yeah, I tried running it locally and running with the same batch as well. Not
sure why it fails intermittently. If you are seeing tab instead of space, can
you force the test to use one of the two so that it is consistent and not
environment dependent?
> cbo_rp_limit / cbo_limit are flaky - intermittent whitespace difference
> -----------------------------------------------------------------------
>
> Key: HIVE-20959
> URL: https://issues.apache.org/jira/browse/HIVE-20959
> Project: Hive
> Issue Type: Bug
> Reporter: Laszlo Bodor
> Assignee: Laszlo Bodor
> Priority: Major
> Attachments:
> 171-TestMiniLlapLocalCliDriver-dynamic_semijoin_reduction.q-materialized_view_create_rewrite_3.q-vectorization_pushdown.q-and-27-more.txt,
>
> TEST-171-TestMiniLlapLocalCliDriver-dynamic_semijoin_reduction.q-materialized_view_create_rewrite_3.q-vectorization_pushdown.q-and-27-more-TEST-org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.xml,
> diff
>
>
> {code:java}
> Client Execution succeeded but contained differences (error code = 1) after
> executing cbo_rp_limit.q
> 11c11
> < 1 4 2
> ---
> > 1 4 2
> {code}
> After copying here to jira, cannot found difference, but by checking from
> original junit xml, there is a whitespace difference in the lines
> (represented as hex values), between 1 (x31) and 4 (x34). See [^diff] .
> Original golden file contains horizontal tab (x09), actual output contains
> space (x20).
> The serious thing is that the separator changes to x20, which is wrong, but
> then in the same line, it changes back to x09.
> {code}
> 20 31 *20* 34 09 32 <- actual
> 20 31 *09* 34 09 32 <- expected
> {code}
> Tried to reproduce it by running the failing batch of qtests locally, but no
> luck (maybe it's an environment issue)
> {code}
> mvn test -T 1C -Dtest.output.overwrite=true -Pitests,hadoop-2 -pl
> itests/qtest -pl itests/util -Dtest=TestMiniLlapLocalCliDriver
> -Dqfile=dynamic_semijoin_reduction.q,materialized_view_create_rewrite_3.q,vectorization_pushdown.q,correlationoptimizer2.q,cbo_gby_empty.q,schema_evol_text_nonvec_part_all_complex_llap_io.q,vectorization_short_regress.q,mapjoin3.q,cross_product_check_1.q,results_cache_quoted_identifiers.q,unionDistinct_3.q,cbo_join.q,correlationoptimizer6.q,union_remove_26.q,cbo_rp_limit.q,convert_decimal64_to_decimal.q,vector_groupby_cube1.q,union2.q,groupby2.q,dynpart_sort_opt_vectorization.q,constraints_optimization.q,exchgpartition2lel.q,retry_failure.q,schema_evol_text_vecrow_part_llap_io.q,sample10.q,vectorized_timestamp_ints_casts.q,auto_sortmerge_join_2.q,bucketizedhiveinputformat.q,cte_mat_2.q,vectorization_8.q
> {code}
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