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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-12220) LLAP: Usability issues with hive.llap.io.cache.orc.size
Date Wed, 21 Oct 2015 19:59:27 GMT

     [ https://issues.apache.org/jira/browse/HIVE-12220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sergey Shelukhin updated HIVE-12220:
------------------------------------
    Attachment: HIVE-12220.patch

The patch with some backward compat so we don't break the scripts and tools

> LLAP: Usability issues with hive.llap.io.cache.orc.size
> -------------------------------------------------------
>
>                 Key: HIVE-12220
>                 URL: https://issues.apache.org/jira/browse/HIVE-12220
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: llap
>            Reporter: Carter Shanklin
>            Assignee: Sergey Shelukhin
>         Attachments: HIVE-12220.patch
>
>
> In the llap-daemon site you need to set, among other things,
> llap.daemon.memory.per.instance.mb
> and
> hive.llap.io.cache.orc.size
> The use of hive.llap.io.cache.orc.size caused me some unnecessary problems, initially
I entered the value in MB rather than in bytes. Operator error you could say but I look at
this as a fraction of the other value which is in mb.
> Second, is this really tied to ORC? E.g. when we have the vectorized text reader will
this data be cached as well? Or might it be in the future?
> I would like to propose instead using hive.llap.io.cache.size.mb for this setting.



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