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On Wed, Aug 7, 2013 at 11:31 AM, Afkham Azeez <[email protected]> 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: **[email protected]* <[email protected]>* 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: **[email protected]* <[email protected]>* 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*
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