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From ManoharVanam <>
Subject [GitHub] carbondata pull request #918: [CARBONDATA-1169] Support input read bytes siz...
Date Wed, 12 Jul 2017 14:12:58 GMT
GitHub user ManoharVanam reopened a pull request:

    [CARBONDATA-1169] Support input read bytes size / Record metrics for carbon UI

    **Requirement** : Support store input size / Record metrics for carbon UI
    **Solution** : Adding input read bytes size / Records details in carbon UI
    **Example** :  Execute any query (select * query etc., )and check input size/ Records
details in the UI
    **Input size metrics** : We can use Hadoop FileSystem statistics  but it is based on thread
local variables, this is ok if the RDD computation chain is running on the same thread, but
in carbon we are spawning multiple threads for computating Btree load, dictionary, read block
etc.,. So we need to maintain one global map to track readbytes for all spawned threads &
return total task readbytes, by summing all parent and spawned thread readbytes.
    **Record metrics:** increment record count for each row

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

    $ git pull master_BABUworking

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

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

    This closes #918
commit c3bc57b76dd28fb32d6854540677ed836d5388c0
Author: Manohar <>
Date:   2017-05-17T06:59:04Z

    Fixed review comments
    Handled Test case failures
    Added metrics for carbon UI spark 1.5 & 2.1
    Reverted changes
    reverted unnecessary changes
    Added metrics for carbon UI changed package
    Added metrics for carbon UI

commit 53e9010eaeeb6fca5af2410c619e046e08db57ea
Author: Manohar <>
Date:   2017-07-10T10:52:57Z

    Supported Input carbon metrics in yarn UI


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