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https://issues.apache.org/jira/browse/IGNITE-3714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16036245#comment-16036245
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Alexei Scherbakov commented on IGNITE-3714:
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Note what for speeding up reads configurable on-heap records cache will be
introduced.
> Introduce new performance hint for default store-by-value caches behavior.
> --------------------------------------------------------------------------
>
> Key: IGNITE-3714
> URL: https://issues.apache.org/jira/browse/IGNITE-3714
> Project: Ignite
> Issue Type: Improvement
> Components: cache
> Reporter: Alexei Scherbakov
> Assignee: Wuwei Lin
> Labels: newbie
> Fix For: 2.1
>
>
> Default store-by-value semantics of Ignite has bad impact on performance and
> rarely needed.
> We must print the performance hint if some of the caches have copyOnRead
> property set to true (default value).
> It must work both for static and dynamic caches.
> Corresponding thread on dev list:
> http://apache-ignite-developers.2346864.n4.nabble.com/copyOnRead-performance-issues-td10762.html
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