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https://issues.apache.org/jira/browse/IGNITE-223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14316122#comment-14316122
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Sergey Evdokimov commented on IGNITE-223:
-----------------------------------------

Before fix IgniteCache.localPromote(keys) for 1million keys worked 2:40 , after 
fix 39 seconds.

> Performance problem in GridCacheSwapManager.readAndRemove()
> -----------------------------------------------------------
>
>                 Key: IGNITE-223
>                 URL: https://issues.apache.org/jira/browse/IGNITE-223
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Sergey Evdokimov
>            Assignee: Sergey Evdokimov
>            Priority: Minor
>
> There is quadratic complexity in GridCacheSwapManager.readAndRemove(),  
> IgniteCache.localPromote(keys) works slow if big key set passed as parameter.



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