Thanks.  -Daya

On Wed, May 28, 2014 at 5:15 PM, Hasitha Hiranya <[email protected]> wrote:

> Hi,
>
> 1. GC tuning for cassandra is vital for cassandra performance, hence MB
> performance.
> 2. I am attaching an client I have written for testing MB. For readme go
> to bin folder and type
>
> sh andesClient.sh man
>
> You can adjust speeds of messages/message sizes etc using this client.
>
>
> https://drive.google.com/a/wso2.com/file/d/0B57HoxWKqqNnSUctRXRZSTRyd0k/edit?usp=sharing
>
> Thanks
>
>
>
>
> On Mon, May 26, 2014 at 2:37 PM, Daya Attapattu <[email protected]> wrote:
>
>> Hi Hasitha,
>>
>> Thank you for the response.
>>
>> If you don't have benchmarks setup at the moment that is OK.
>>  Benchmarking software is not essential for my project.
>>
>>  It would be nice to hear your opinion on what applications (or which
>> samples among published ones) are more representative of general use of MB.
>>  Samples are usually designed to demo capabilities; not to mimic actual
>> usage.  Since GC depends on actual usage (frequency of
>> allocation/deallocation, size of objects, etc), at a later stage it would
>> be nice to work with real applications.  Since I have no experience with
>> MB, I was hoping someone would be able to help me pointing to some
>> applications.
>>
>> Is Cassandra tuning important for GC?  I am doing just GC.  My guess (
>> knowing nothing about MB as I write) is that Cassandra tuning is important
>> for performance, but not for GC.  Were you thinking about GC when pointing
>> to Cassandra?  Please clarify.
>>
>> I will certainly post my findings on few lists; on training list for sure.
>>
>> Thanks again,
>>
>> - Daya
>>
>>
>> On Mon, May 26, 2014 at 1:28 PM, Hasitha Hiranya <[email protected]>wrote:
>>
>>> Hi,
>>>
>>> For MB
>>>
>>>
>>>    - AsankaV has some client that can be use to send messages and
>>>    consume them with ability to set message delay/message count etc.
>>>    - Cassandra tuning is vital. You can monitor a Cassandra cluster
>>>    using OpsCenter <http://www.datastax.com/products/opscenter>
>>>    - We need to write bench mark clients - extending what Asankav has.
>>>    - For GC use JMeter (or some monitoring tool we generally use for
>>>    sever GC monitoring)
>>>
>>> Please give us the feedback along with your findings.
>>>
>>> Thanks
>>>
>>>
>>> On Mon, May 26, 2014 at 10:08 AM, Daya Attapattu <[email protected]> wrote:
>>>
>>>> I am starting on a project to investigate impact on GC algorithms on
>>>> ESB and MB.  Can someone please help me with pointers to the following:
>>>>
>>>> 1. Benchmarking applications that we use for these two products.
>>>>
>>>> 2. Typical applications suitable for studying GC in user perspective.
>>>>  Samples are fine if they represent typical user applications.  Application
>>>> should be running for a time  excess of an hour, but not toy programs that
>>>> loop over same set of data.
>>>>
>>>> Regards,
>>>>
>>>> - Daya
>>>>
>>>> --
>>>> Daya Atapattu
>>>> WSO2 Inc.
>>>> Phone: +94 77 047 4730, +1 203 484 7099
>>>>
>>>>
>>>> _______________________________________________
>>>> Dev mailing list
>>>> [email protected]
>>>> http://wso2.org/cgi-bin/mailman/listinfo/dev
>>>>
>>>>
>>>
>>>
>>> --
>>> *Hasitha Abeykoon*
>>> Senior Software Engineer; WSO2, Inc.; http://wso2.com
>>> *cell:* *+94 719363063*
>>> *blog: **abeykoon.blogspot.com* <http://abeykoon.blogspot.com>
>>>
>>>
>>
>>
>> --
>> Daya Atapattu
>> WSO2 Inc.
>> Phone: +94 77 047 4730, +1 203 484 7099
>>
>>
>
>
> --
> *Hasitha Abeykoon*
> Senior Software Engineer; WSO2, Inc.; http://wso2.com
> *cell:* *+94 719363063*
> *blog: **abeykoon.blogspot.com* <http://abeykoon.blogspot.com>
>
>


-- 
Daya Atapattu
WSO2 Inc.
Phone: +94 77 047 4730, +1 203 484 7099
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