[infinispan-dev] Infinispan embedded off-heap cache

Jaromir Hamala jaromir.hamala at gmail.com
Thu Jan 16 05:15:49 EST 2014


I thought this JEP was (sort of) relevant to this discussion:
http://openjdk.java.net/jeps/189

Cheers,
Jaromir

On Thu, Jan 16, 2014 at 10:10 AM, Emmanuel Bernard
<emmanuel at hibernate.org>wrote:

>
> On 15 Jan 2014, at 18:51, cotton-ben <ben.cotton at ALUMNI.RUTGERS.EDU>
> wrote:
>
> Nice!  The consequences of our *necessarily* staying on-heap has been a
> "monstrous" experience for us (see
>
> http://4.bp.blogspot.com/-upwza0_lLn4/TmXB4lKkPKI/AAAAAAAAAHY/9lA7VYCmSkI/s1600/heap_0001.jpg
> ).
>
>
> As Tristan hinted, can share (worse case privately) the reasons that lead
> to that horrific experience? This would be very useful to the infinispan
> team to better shape and explain the off-heap approach. Off-heap does come
> with non trivial drawbacks around manual garbage collection and memory
> fragmentation (at least when the data is not homogeneous).
>
> Emmanuel
>
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>



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there is nothing left to take away.”
Antoine de Saint Exupéry
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