Hi,
Just wondering about the update mechanism. What happens when original value
or L2 cache value get updated?

Thanks & Regards
Danushka Fernando
Software Engineer
WSO2 inc. http://wso2.com/
Mobile : +94716332729


On Wed, Aug 7, 2013 at 2:02 PM, Afkham Azeez <[email protected]> wrote:

> [image: Inline image 1]
>
>
> 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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