| Re: [eclipselink-users] Clustered Cache |
EclipseLink has a feature called cache coordination that does this. It
supports JMS or RMI. You can configure it using a SessionCustomizer, refer
to the EclipseLink User Guide for details.
Seckin Yazan wrote:
>
>
> Hi I am new to eclipselink.
> After reading some documentation on Eclipselink's cache mechanism, it was
> still not clear for me to find the way of implementation of the following
> scenarios.
> I want to use Eclipselink's clustered cache mechanism on a Glassfish
> cluster environment serves with two instances. Let's say Both instances do
> some operations on DB(update, delete etc). Instance1 inserts a record to
> the DB. At that point that record is stored both in application's cache
> and DB. How can instance1 inform instance2 about that new record so that
> instance2 can get that new record to its cache.? or Let's say both
> instance1 and instance2 has the same record on their caches and Instance1
> updates the record. How can Instance2 get that record updated on its
> cache? The main reason of implementing such scenarios is to provide better
> performance by getting records from the cache rather than the DB.
> For my queries i use the following hints.
> hints={@QueryHint(name=QueryHints.QUERY_TYPE,value=QueryType.ReadAll),@QueryHint(name=QueryHints.CACHE_USAGE,
> value=CacheUsage.CheckCacheOnly)}
>
> I would really appreciate if someone can lead me with that.
> Thanks
>
> Seckin
>
>
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http://wiki.eclipse.org/User:James.sutherland.oracle.com James Sutherland
http://www.eclipse.org/eclipselink/
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