[infinispan-issues] [JBoss JIRA] (ISPN-871) Out-of-heap data container implementation

[Ben Cotton (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12933562#comment-12933562 ] 

Ben Cotton commented on ISPN-871:
---------------------------------

Was this ever done?

If so, is it documented how to configure an off-heap Cache in a specific ISPN version?

If not, I would recommend the consideration of Peter Lawrey's OpenHFT Chronocle net.openhft.collections.HugeHashMap implementation ... which is based on a off-heap MappedByteBuffer onto any/all of (/dev/shm, tmpfs, ext4) and is exceedingly high performant.

https://github.com/OpenHFT/HugeCollections

                
> Out-of-heap data container implementation
> -----------------------------------------
>
>                 Key: ISPN-871
>                 URL: https://issues.jboss.org/browse/ISPN-871
>             Project: Infinispan
>          Issue Type: Feature Request
>          Components: Configuration
>            Reporter: Manik Surtani
>            Assignee: Tristan Tarrant
>              Labels: gc, jni, native, performance, research
>
> The {{DataContainer}} interface could be implemented using a off-heap impl in C, using a wrapper around [TBB|http://threadingbuildingblocks.org/]'s concurrent hashmap.
> Cheap and easy way, no memory management needed, at worst case same performance as the Java CHM-like impl of the data container + some JNI overhead.  Potential benefit of large data heaps.

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