[Carbon-dev] Remove multi-instance feature

2011-05-08 Thread Afkham Azeez
This is a feature that never gets tested, nobody seems to know how to use
it, and it is badly broken. Nobody seems to be using it in the real world
anyway. Shall we remove it? We can get rid of the confusing ports-config.xml
file as well.

-- 
*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
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Re: [Carbon-dev] Remove multi-instance feature

2011-05-08 Thread Sanjiva Weerawarana
Should we not be using it in Stratos? I've been thinking of trying that as
an alternative to using VMs basically .. take a big machine and run a bunch
of elastically scaling processes rather than VMs.

If its broken of course then that needs to be fixed before such an
experiment can be tried. At least it would be a useful research experiment
to compare VMs vs. not. In our world we control all the VMs so the security
disadvantages of processes is essentially gone IMO.

Sanjiva.

On Sun, May 8, 2011 at 11:33 AM, Afkham Azeez az...@wso2.com wrote:

 This is a feature that never gets tested, nobody seems to know how to use
 it, and it is badly broken. Nobody seems to be using it in the real world
 anyway. Shall we remove it? We can get rid of the confusing ports-config.xml
 file as well.

 --
 *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*


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-- 
Sanjiva Weerawarana, Ph.D.
Founder, Chairman  CEO; WSO2, Inc.;  http://wso2.com/
email: sanj...@wso2.com; phone: +94 11 763 9614; cell: +94 77 787 6880 | +1
650 265 8311
blog: http://sanjiva.weerawarana.org/

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Re: [Carbon-dev] Remove multi-instance feature

2011-05-08 Thread Afkham Azeez
We have noticed that IO becomes a bottleneck, and this can lead to failure
of multiple JVMs. For example, the AS was failing very frequently when the
LB and AS instance were running on the same machine. After separating it
out, we were able to handle higher loads. In fact, this is how we are
planning to setup Mars 1.0. Having the LB  worker node on the same instance
does not work properly.

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Sent from APD
On May 9, 2011 6:02 AM, Sanjiva Weerawarana sanj...@wso2.com wrote:
 Should we not be using it in Stratos? I've been thinking of trying that as
 an alternative to using VMs basically .. take a big machine and run a
bunch
 of elastically scaling processes rather than VMs.

 If its broken of course then that needs to be fixed before such an
 experiment can be tried. At least it would be a useful research experiment
 to compare VMs vs. not. In our world we control all the VMs so the
security
 disadvantages of processes is essentially gone IMO.

 Sanjiva.

 On Sun, May 8, 2011 at 11:33 AM, Afkham Azeez az...@wso2.com wrote:

 This is a feature that never gets tested, nobody seems to know how to use
 it, and it is badly broken. Nobody seems to be using it in the real world
 anyway. Shall we remove it? We can get rid of the confusing
ports-config.xml
 file as well.

 --
 *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*


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 Carbon-dev mailing list
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 --
 Sanjiva Weerawarana, Ph.D.
 Founder, Chairman  CEO; WSO2, Inc.; http://wso2.com/
 email: sanj...@wso2.com; phone: +94 11 763 9614; cell: +94 77 787 6880 |
+1
 650 265 8311
 blog: http://sanjiva.weerawarana.org/

 Lean . Enterprise . Middleware
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