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From Murthy Kakarlamudi <ksa...@gmail.com>
Subject Re: Stupide question about Queue ?
Date Thu, 14 Jan 2016 23:24:55 GMT
What are the possibilities for swap spaces? Can we persist the cache/queue
content to file system based on the eviction policy?


On Thu, Jan 14, 2016 at 5:23 PM, Valentin Kulichenko <
valentin.kulichenko@gmail.com> wrote:

> Agree with Denis. Sounds like this can be easily achieved by enabling swap
> layer for queue cache. So we just need to put this on configuration.
> -Val
> On Thu, Jan 14, 2016 at 5:44 AM, Denis Magda <dmagda@gridgain.com> wrote:
>> Hi,
>> This seems to be an interesting functionality. As I understand you're
>> referring to [1].
>> Personally I think that it makes sense to support the same in Ignite.
>> However I would just extend CollectionConfiguration adding ability to set
>> an eviction policy and enable swap on demand. When eviction policy faces
>> with a limit entries will be evicted to swap space.
>> Don't think that we need to support other kind of storages here.
>> Igniters, do you have other thoughts on this?
>> [1] http://docs.hazelcast.org/docs/3.5/manual/html/queue-persistence.html
>> --
>> Denis
>> On 1/14/2016 1:41 PM, Yann BLAZART wrote:
>> Hello,
>> In hazelcast we can persist Queues in Database, this  help me for example
>> when consumer are down to no have OOM exception.
>> But I don’t see this possibility in Ignite docs ?
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