On Tue, Mar 15, 2011 at 5:33 PM, Afkham Azeez <[email protected]> wrote:

>
>
> On Tue, Mar 15, 2011 at 10:40 AM, Senaka Fernando <[email protected]> wrote:
>
>> Hi Azeez,
>>
>> On Sat, Mar 12, 2011 at 8:34 PM, Afkham Azeez <[email protected]> wrote:
>>
>>> Yes, perhaps we should cache the CarbonContext which is created for a
>>> tenant. Can we have a single CarbonContext instance for all users of a given
>>> tenant?
>>
>>
>> No, for a single user of a single tenant the CarbonContext can be created
>> just once. The reason is, our authorizations are based on user, and we
>> create separate instances of registries, which are user-aware so that the
>> credentials can be provided only once. This is because we don't have a
>> concept of credential which is cached at the Context-level. If we have that,
>> we don't need multiple registry and realm objects. The same should also
>> solve multiple similar problems. However, I'm not sure about the impact this
>> change would bring.
>>
>
> But we can't cache CarbonContext per tenant per user. Have you got an idea
> of how we can implement this?
>

That should be doable. IMO we need a cache-key, which has both username and
tenant id in it. That's it.

Thanks,
Senaka.

>
>
>>
>> WDYT?
>>
>> Thanks,
>> Senaka.
>>
>>>
>>>
>>> On Fri, Mar 11, 2011 at 10:12 PM, Senaka Fernando <[email protected]>wrote:
>>>
>>>> Hi Azeez,
>>>>
>>>> OK, so it seems to be wrong to be reconstructing the carbon context over
>>>> and over again, for each request that comes in. This was cached in some
>>>> scope (session or context), making this a one-time overhead. Did this 
>>>> change
>>>> from 3.1.0 to 3.2.0 for some reason?
>>>>
>>>> Thanks,
>>>> Senaka.
>>>>
>>>> On Fri, Mar 11, 2011 at 3:54 PM, Afkham Azeez <[email protected]> wrote:
>>>>
>>>>> As can be seen in the JProfiler screenshot, there getRegistry methods
>>>>> are introducing a big overhead.
>>>>>
>>>>> --
>>>>> *Afkham Azeez*
>>>>> Senior Software Architect & Senior Manager; WSO2, Inc.;
>>>>> http://wso2.com,
>>>>> *
>>>>> *
>>>>> *Member; Apache Software Foundation; 
>>>>> **http://www.apache.org/*<http://www.apache.org/>
>>>>> *
>>>>> email: **[email protected]* <[email protected]>* cell:
>>>>> <%2B94%2077%203320919> <%2B94%2077%203320919> 
>>>>> <%2B94%2077%203320919><%2B94%2077%203320919>+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*
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Carbon-dev mailing list
>>>>> [email protected]
>>>>> http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> *Senaka Fernando*
>>>> Product Manager - WSO2 Governance Registry;
>>>> Associate Technical Lead; WSO2, Inc.; http://wso2.com*
>>>> Member; Apache Software Foundation; http://apache.org
>>>>
>>>> E-mail: senaka AT wso2.com
>>>> **P: <%2B1%20408%20754%207388> 
>>>> <%2B1%20408%20754%207388><%2B1%20408%20754%207388>+1
>>>> 408 754 7388; ext: 51736*; *M: 
>>>> <%2B94%2077%20322%201818><%2B94%2077%20322%201818><%2B94%2077%20322%201818>+94
>>>> 77 322 1818
>>>> Linked-In: http://www.linkedin.com/in/senakafernando
>>>>
>>>> *Lean . Enterprise . Middleware
>>>>
>>>>
>>>
>>>
>>> --
>>> *Afkham Azeez*
>>> Senior Software Architect & Senior Manager; WSO2, Inc.; http://wso2.com
>>> ,
>>> *
>>> *
>>> *Member; Apache Software Foundation; 
>>> **http://www.apache.org/*<http://www.apache.org/>
>>> *
>>> email: **[email protected]* <[email protected]>* cell: 
>>> <%2B94%2077%203320919><%2B94%2077%203320919>+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*
>>>
>>>
>>
>>
>> --
>> *Senaka Fernando*
>> Product Manager - WSO2 Governance Registry;
>> Associate Technical Lead; WSO2, Inc.; http://wso2.com*
>> Member; Apache Software Foundation; http://apache.org
>>
>> E-mail: senaka AT wso2.com
>> **P: <%2B1%20408%20754%207388>+1 408 754 7388; ext: 51736*; *M:
>> <%2B94%2077%20322%201818>+94 77 322 1818
>> Linked-In: http://www.linkedin.com/in/senakafernando
>>
>> *Lean . Enterprise . Middleware
>>
>>
>
>
> --
> *Afkham Azeez*
> Senior Software Architect & Senior Manager; 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*
>
>


-- 
*Senaka Fernando*
Product Manager - WSO2 Governance Registry;
Associate Technical Lead; WSO2, Inc.; http://wso2.com*
Member; Apache Software Foundation; http://apache.org

E-mail: senaka AT wso2.com
**P: +1 408 754 7388; ext: 51736*; *M: +94 77 322 1818
Linked-In: http://www.linkedin.com/in/senakafernando

*Lean . Enterprise . Middleware
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