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Posted to issues-all@impala.apache.org by "Dan Hecht (JIRA)" <ji...@apache.org> on 2018/06/01 20:57:00 UTC

[jira] [Commented] (IMPALA-7098) Re-enable blocksize-related tests under EC

    [ https://issues.apache.org/jira/browse/IMPALA-7098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16498560#comment-16498560 ] 

Dan Hecht commented on IMPALA-7098:
-----------------------------------

What value does mBlockSize on the return of hdfsGetPathInfo() give? Does it give the block group size?

> Re-enable blocksize-related tests under EC
> ------------------------------------------
>
>                 Key: IMPALA-7098
>                 URL: https://issues.apache.org/jira/browse/IMPALA-7098
>             Project: IMPALA
>          Issue Type: Sub-task
>          Components: Frontend, Infrastructure
>    Affects Versions: Impala 3.1.0
>            Reporter: Tianyi Wang
>            Assignee: Taras Bobrovytsky
>            Priority: Major
>
> In EC the unit of a scan range is a block group. So in our mini cluster a scan range is of 3X the size of a regular block. This breaks some tests under EC. One way to address this problem is to shrink the blocks to 1/3 of the original size in those tests.



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