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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15441) Provide a config to timeout long compiling queries
Date Fri, 16 Dec 2016 05:55:58 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15753561#comment-15753561
] 

Hive QA commented on HIVE-15441:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12843512/HIVE-15441.1.patch

{color:red}ERROR:{color} -1 due to no test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 14 failed/errored test(s), 10773 tests executed
*Failed tests:*
{noformat}
TestDerbyConnector - did not produce a TEST-*.xml file (likely timed out) (batchId=234)
TestMiniLlapLocalCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=144)
	[vectorized_rcfile_columnar.q,vector_elt.q,explainuser_1.q,multi_insert.q,tez_dml.q,vector_bround.q,schema_evol_orc_acid_table.q,vector_when_case_null.q,orc_ppd_schema_evol_1b.q,vector_join30.q,vectorization_11.q,cte_3.q,update_tmp_table.q,vector_decimal_cast.q,groupby_grouping_id2.q,vector_decimal_round.q,tez_smb_empty.q,orc_merge6.q,vector_decimal_trailing.q,cte_5.q,tez_union.q,cbo_rp_subq_not_in.q,vector_decimal_2.q,columnStatsUpdateForStatsOptimizer_1.q,vector_outer_join3.q,schema_evol_text_vec_part_all_complex.q,tez_dynpart_hashjoin_2.q,auto_sortmerge_join_12.q,offset_limit.q,tez_union_multiinsert.q]
TestSparkCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=112)
	[vectorization_16.q,load_dyn_part5.q,join_casesensitive.q,transform_ppr2.q,join23.q,groupby7_map_skew.q,ppd_outer_join5.q,create_merge_compressed.q,louter_join_ppr.q,sample9.q,smb_mapjoin_16.q,vectorization_not.q,having.q,ppd_outer_join1.q,union_remove_12.q]
TestVectorizedColumnReaderBase - did not produce a TEST-*.xml file (likely timed out) (batchId=251)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample2] (batchId=5)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample4] (batchId=15)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample6] (batchId=61)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample7] (batchId=60)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample9] (batchId=38)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[udf_sort_array] (batchId=59)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[transform_ppr2] (batchId=135)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[metadataonly1] (batchId=150)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[stats_based_fetch_decision]
(batchId=151)
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver[schemeAuthority] (batchId=160)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/2603/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/2603/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-2603/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 14 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12843512 - PreCommit-HIVE-Build

> Provide a config to timeout long compiling queries
> --------------------------------------------------
>
>                 Key: HIVE-15441
>                 URL: https://issues.apache.org/jira/browse/HIVE-15441
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Planning
>            Reporter: Chao Sun
>            Assignee: Chao Sun
>         Attachments: HIVE-15441.1.patch
>
>
> Sometimes Hive users have long compiling queries which may need to scan thousands or
even more partitions (perhaps by accident). The compilation process may take a very long time,
especially in {{getInputSummary}} where it need to make NN calls to get info about each input
path.
> This is bad because it may block many other queries. Parallel compilation may be useful
but still {{getInputSummary}} has a global lock. In this case, it makes sense to provide Hive
admin with a config to put a timeout limit for compilation, so that these "bad" queries can
be blocked.
> Note https://issues.apache.org/jira/browse/HIVE-12431 also tries to address similar issue.
However it cancels those queries that are waiting for the compile lock, which I think is not
so useful for our case since the *query under compile is the one to be blamed.*



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