[jira] [Assigned] (IGNITE-18584) Possible memory errors and corruptions because of insufficient size of compression buffer.

["Ivan Daschinsky (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-18584?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ivan Daschinsky reassigned IGNITE-18584:
----------------------------------------

    Assignee: Ivan Daschinsky

> Possible memory errors and corruptions because of insufficient size of compression buffer.
> ------------------------------------------------------------------------------------------
>
>                 Key: IGNITE-18584
>                 URL: https://issues.apache.org/jira/browse/IGNITE-18584
>             Project: Ignite
>          Issue Type: Bug
>    Affects Versions: 2.14
>            Reporter: Ivan Daschinsky
>            Assignee: Ivan Daschinsky
>            Priority: Major
>             Fix For: 2.15
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> {{org.apache.ignite.internal.processors.compress.CompressionProcessorImpl#compressBuf}} is initialized with 1024 extra space, that may be not enough for compressing.
> I.e. snappy requires 2762 extra space for 16K pages.
> The overhead must be calculated during the initialization with help of specialized methods, such as 
> {{Snappy#maxCompressedLength}}



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