[jira] [Commented] (ORC-91) Use hdfs v-blocks instead of zero-padding stripes

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ORC-91?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16153936#comment-16153936 ] 

ASF GitHub Bot commented on ORC-91:
-----------------------------------

GitHub user omalley opened a pull request:

    https://github.com/apache/orc/pull/166

    ORC-91: Use hdfs v-blocks instead of zero-padding stripes

    Ok, this is my rebasing of Gopal's patch to use the zero padding after my patch for ORC-234.

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

    $ git pull https://github.com/omalley/orc orc-91

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

    https://github.com/apache/orc/pull/166.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 #166
    
----
commit fb3f096e6724811bb9604c016b008519d34288b8
Author: Gopal V <go...@apache.org>
Date:   2017-07-25T04:15:57Z

    ORC-91: Use hdfs v-blocks instead of zero-padding stripes

----


> Use hdfs v-blocks instead of zero-padding stripes
> -------------------------------------------------
>
>                 Key: ORC-91
>                 URL: https://issues.apache.org/jira/browse/ORC-91
>             Project: ORC
>          Issue Type: Improvement
>            Reporter: Gopal V
>            Assignee: Gopal V
>
> HDFS-3689 added variable length blocks to HDFS as a core feature.
> hsync(SyncFlag.END_BLOCK) 
> can now end an HDFS block on disk without padding it out with zeros. 
> The current space wasted in ORC to padding is 5%.



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