On Wed, Aug 7, 2013 at 2:59 PM, Danushka Fernando <danush...@wso2.com>wrote:
> Hi, > Just wondering about the update mechanism. What happens when original > value or L2 cache value get updated? > What do you mean by this? If I understand correctly, when you need to update the value for a key, you need to use the Caching API and use put method. > > Thanks & Regards > Danushka Fernando > Software Engineer > WSO2 inc. http://wso2.com/ > Mobile : +94716332729 > > > On Wed, Aug 7, 2013 at 2:02 PM, Afkham Azeez <az...@wso2.com> wrote: > >> [image: Inline image 1] >> >> >> On Wed, Aug 7, 2013 at 11:31 AM, Afkham Azeez <az...@wso2.com> wrote: >> >>> While running certain scenarios during testing of the Carbon 4.2.0 >>> packs, we saw certain performance issues when distributed Hazelcast >>> HashMaps are used as the backing data structure. To overcome this, I have >>> introduced the concept of an L1 local cache. It is a write through cache, >>> where items stored in it will also get written to the distributed data >>> structure. When there is a L1 cache miss, we will check in the L2 >>> distributed cache to see whether the value is there. >>> >>> I am seeing significant performance improvement in the tenant creation >>> scenario after this improvement. >>> >>> -- >>> *Afkham Azeez* >>> Director of Architecture; WSO2, Inc.; http://wso2.com >>> Member; Apache Software Foundation; http://www.apache.org/ >>> * <http://www.apache.org/>** >>> email: **az...@wso2.com* <az...@wso2.com>* cell: +94 77 3320919 >>> blog: **http://blog.afkham.org* <http://blog.afkham.org>* >>> twitter: **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez> >>> * >>> linked-in: **http://lk.linkedin.com/in/afkhamazeez* >>> * >>> * >>> *Lean . Enterprise . Middleware* >>> >> >> >> >> -- >> *Afkham Azeez* >> Director of Architecture; WSO2, Inc.; http://wso2.com >> Member; Apache Software Foundation; http://www.apache.org/ >> * <http://www.apache.org/>** >> email: **az...@wso2.com* <az...@wso2.com>* cell: +94 77 3320919 >> blog: **http://blog.afkham.org* <http://blog.afkham.org>* >> twitter: **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez> >> * >> linked-in: **http://lk.linkedin.com/in/afkhamazeez* >> * >> * >> *Lean . Enterprise . Middleware* >> >> _______________________________________________ >> Dev mailing list >> d...@wso2.org >> http://wso2.org/cgi-bin/mailman/listinfo/dev >> >> > > _______________________________________________ > Architecture mailing list > Architecture@wso2.org > https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture > > -- Isuru Perera Senior Software Engineer | WSO2, Inc. | http://wso2.com/ Lean . Enterprise . Middleware Twitter: http://twitter.com/chrishantha | LinkedIn: http://lk.linkedin.com/in/chrishantha/
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