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From ashokblend <...@git.apache.org>
Subject [GitHub] incubator-carbondata pull request #425: [CARBONDATA-429][WIP]reduce the no o...
Date Tue, 13 Dec 2016 03:28:30 GMT
GitHub user ashokblend opened a pull request:

    https://github.com/apache/incubator-carbondata/pull/425

    [CARBONDATA-429][WIP]reduce the no of of io operation being done for dictionary.

    **Problem**
    Every single query is triggered by user, carbon does an io operation for all dictionary
column to check if its dictionary meta is modified. 
    **Solution**
    This PR will try to reduce the no of IO operation done for above mentioned problem. Idea
behind solution is, check for modification of dictionary meta only if table has been loaded
with new segment.

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

    $ git pull https://github.com/ashokblend/incubator-carbondata dictmetacache

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

    https://github.com/apache/incubator-carbondata/pull/425.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 #425
    
----
commit 747d35337f34ef252f2884f0616dd89eb8957d88
Author: ashok.blend <ashok.blend@gmail.com>
Date:   2016-12-13T01:30:10Z

    reduce the no of of io operation being done for dictionary.
    Idea is, check is table is modified then only tries to reload the cache.

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