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From "Hive QA (JIRA)" <>
Subject [jira] [Commented] (HIVE-13255) FloatTreeReader.nextVector is expensive
Date Thu, 31 Mar 2016 06:43:25 GMT


Hive QA commented on HIVE-13255:

Here are the results of testing the latest attachment:

{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 6 failed/errored test(s), 9893 tests executed
*Failed tests:*
TestSparkCliDriver-groupby3_map.q-sample2.q-auto_join14.q-and-12-more - did not produce a
TEST-*.xml file
- did not produce a TEST-*.xml file
TestSparkCliDriver-join_rc.q-insert1.q-vectorized_rcfile_columnar.q-and-12-more - did not
produce a TEST-*.xml file
TestSparkCliDriver-parallel_join0.q-union_remove_9.q-smb_mapjoin_21.q-and-12-more - did not
produce a TEST-*.xml file
TestSparkCliDriver-ppd_join4.q-join9.q-ppd_join3.q-and-12-more - did not produce a TEST-*.xml

Test results:
Console output:
Test logs:

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: 6 tests failed

This message is automatically generated.

ATTACHMENT ID: 12796165 - PreCommit-HIVE-TRUNK-Build

> FloatTreeReader.nextVector is expensive 
> ----------------------------------------
>                 Key: HIVE-13255
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: ORC
>    Affects Versions: 2.1.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>         Attachments: HIVE-13255.1.patch, HIVE-13255.2.patch, bytecode-size-after.png,
bytecode-size-before.png, float-reader-perf.png, q1-bottleneck.png, q1-warm-perf-map.png
> Some TPCDS queries on 1TB scale shows FloatTreeReader on profile samples. It is most
likely because of multiple branching and polymorphic dispatch in FloatTreeReader.nextVector()
implementation. See attached image for sampling profile output.

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