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https://issues.apache.org/jira/browse/IGNITE-4278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15693060#comment-15693060
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Vladimir Ozerov commented on IGNITE-4278:
-----------------------------------------

Two reasons:
1) Byte-by-byte access (fixed in IGNITE-4294);
2) Slow copying through Unsafe,copyMemory for small data chunks (fixed in 
IGNITE-4295).

> Hadoop: investigate why small array copying is slow on PPC.
> -----------------------------------------------------------
>
>                 Key: IGNITE-4278
>                 URL: https://issues.apache.org/jira/browse/IGNITE-4278
>             Project: Ignite
>          Issue Type: Sub-task
>          Components: hadoop
>    Affects Versions: 1.8
>            Reporter: Vladimir Ozerov
>            Assignee: Vladimir Ozerov
>             Fix For: 2.0
>
>




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