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From kushalsaha <...@git.apache.org>
Subject [GitHub] carbondata pull request #1457: [CARBONDATA-1627] one job failed among 100 jo...
Date Tue, 31 Oct 2017 14:09:56 GMT
GitHub user kushalsaha opened a pull request:

    https://github.com/apache/carbondata/pull/1457

    [CARBONDATA-1627] one job failed among 100 job while performing selec…

    …t operation with 100 different thread
    
    Be sure to do all of the following checklist to help us incorporate 
    your contribution quickly and easily:
    
     - [ ] Any interfaces changed?
    NO
     
     - [ ] Any backward compatibility impacted?
     NO
     - [ ] Document update required?
    No
     - [ ] Testing done
            Please provide details on 
            - Whether new unit test cases have been added or why no new tests are required?
            - How it is tested? Please attach test report.
            - Is it a performance related change? Please attach the performance test report.
            - Any additional information to help reviewers in testing this change.
    => this issue is resolved when we launch 100 job through jmeter and one job was getting
failed because multiple thread would try to initialize the variable even tough the call is
made through lazy, but still in multiple thread cases multiple thread tried to initialize
variable, to avoid this added synchronized block so that only one thread only can initialize
the variable and latter for other thread there's no chance of accessing that block.
     - [ ] For large changes, please consider breaking it into sub-tasks under an umbrella
JIRA. 
    No large changes
    


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/kushalsaha/carbondata CARBONDATA-1627

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/carbondata/pull/1457.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1457
    
----
commit ff80dbe6fe09dd8f1487e5fe99d5ce20aff77c3e
Author: kushalsaha <kushalsaha1988@gmail.com>
Date:   2017-10-27T12:47:50Z

    [CARBONDATA-1627] one job failed among 100 job while performing select operation with
100 different thread

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