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From "Sergey Shelukhin (JIRA)" <>
Subject [jira] [Updated] (HIVE-16318) LLAP cache: address some issues in 2.2/2.3
Date Wed, 29 Mar 2017 00:33:41 GMT


Sergey Shelukhin updated HIVE-16318:
    Attachment: HIVE-16318.03.patch

The patch that takes the fraction off xmx and actually reserves it too cc [~prasanth_j] [~sseth]

> LLAP cache: address some issues in 2.2/2.3
> ------------------------------------------
>                 Key: HIVE-16318
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>         Attachments: HIVE-16318.01.patch, HIVE-16318.02.patch, HIVE-16318.03.patch, HIVE-16318.patch
> We've run into HIVE-16233 and HIVE-15665 and given that 2.2 and 2.3 releases are approaching
we are going to add workarounds for them, and then commit the above patches and revert the
workarounds as soon as we can.
> Unfortunately this will result in cache wasting some memory on some datasets, but the
alternatives, when they are encountered (usually only on large datasets), are worse.

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