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https://issues.apache.org/jira/browse/HIVE-13204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15179666#comment-15179666
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Gopal V commented on HIVE-13204:
--------------------------------
h2. With
{code}
Status: Running (Executing on YARN cluster with App id
application_1455662455106_2535)
----------------------------------------------------------------------------------------------
VERTICES MODE STATUS TOTAL COMPLETED RUNNING PENDING
FAILED KILLED
----------------------------------------------------------------------------------------------
Map 1 .......... llap SUCCEEDED 270 270 0 0
0 0
Reducer 2 ...... llap SUCCEEDED 30 30 0 0
0 0
----------------------------------------------------------------------------------------------
VERTICES: 02/02 [==========================>>] 100% ELAPSED TIME: 73.26 s
----------------------------------------------------------------------------------------------
Status: DAG finished successfully in 73.26 seconds
{code}
h2. Without
{code}
Status: Running (Executing on YARN cluster with App id
application_1455662455106_2535)
----------------------------------------------------------------------------------------------
VERTICES MODE STATUS TOTAL COMPLETED RUNNING PENDING
FAILED KILLED
----------------------------------------------------------------------------------------------
Map 1 .......... llap SUCCEEDED 270 270 0 0
0 0
Reducer 2 ...... llap SUCCEEDED 30 30 0 0
0 0
----------------------------------------------------------------------------------------------
VERTICES: 02/02 [==========================>>] 100% ELAPSED TIME: 378.36 s
----------------------------------------------------------------------------------------------
Status: DAG finished successfully in 378.36 seconds
{code}
> Vectorization: Add ChainedCheckerFactory for LIKE
> --------------------------------------------------
>
> Key: HIVE-13204
> URL: https://issues.apache.org/jira/browse/HIVE-13204
> Project: Hive
> Issue Type: Improvement
> Components: Vectorization
> Affects Versions: 2.1.0
> Reporter: Gopal V
> Assignee: Gopal V
> Attachments: HIVE-13204.1.patch, regex-cpu-like.png
>
>
> Currently, Vectorization runs through a UTF-8 decode to produce a String &
> then check for mildly complex patterns like "http://%.exe"; using a Regex.
> Since this pattern doesn't need any backtracking patterns, using a full
> fledged Regex is too expensive.
> !regex-cpu-like.png!
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