[OpenSIPS-Devel] [RELEASE] OpenSIPS 1.11 beta major release is out

[Liviu Chircu]

Hello Ryan,

The limitation of the classic OpenSIPS allocators is that they scale 
poorly both with the scripting logic (more logic -> more mallocs -> more 
contention), with hardware (the allocation is completely serial), and 
with incoming traffic (again, they are serial!).

When discussing CPU performance, the scripting logic itself has a big 
impact. Just write a dummy route, and you're likely to be able to handle 
10k cps with the existing code.

In the scenario we've optimized, the gains were almost *5x* on a 40-core 
machine (went up to 20k cps), compared to the F_MALLOC allocator. The 
effective gain would have probably been even bigger, had the logic been 
more complex.

However, the new allocator has no defragmentation support - it needs to 
be reworked. So if you don't estimate the load on your server well 
enough... you'll get core dumps as a reward!

NB: as you might have expected, the processes did not have to handle any 
blocking operations.

Best regards,

Liviu Chircu
OpenSIPS Developer
http://www.opensips-solutions.com

On 03/24/2014 06:46 PM, Ryan Bullock wrote:
> This is an exciting release! The new memory allocator looks really 
> interesting. Are there any numbers showing how its performance 
> compares to the current?
>
> Great work!
>
>
> ~Ryan Bullock
>
>
> On Thu, Mar 20, 2014 at 1:29 PM, Bogdan-Andrei Iancu 
> <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>
>     Hello everyone!
>
>     The OpenSIPS Project is proud to announce the release of OpenSIPS
>     version 1.11 (beta)!
>
>     We would like to thank the OpenSIPS community for all of their
>     hard and diligent work in making this release possible. We could
>     never have done it without you!
>
>     Special thanks go out to Ovidiu Sas, Walter Doekes, Damien Sandrs,
>     Nick Altmann, Brett Nemeroff, Ryan Bullock (and many others) for
>     your amazing contribution on this release. We truly appreciate you!
>
>     Building on our industry ready platform, we're excited to
>     introduce many new features and updates. But also we've continued
>     to make inroads in developing an easier to use OpenSIPS.
>
>     Version 1.11 brings with it enhancements to the core, script
>     handling, and many important modules.
>
>     The OpenSIPS core has received a new memory allocator to increase
>     performance. It's tunable and provides fine-grained locking!
>
>     We've also heard your requests on improving scripting
>     capabilities. Say hello to the SCRIPT_HELPER module and to the
>     "for-each" statement! The learning curve will not be so steep again!
>
>     We've also introduced 4 new modules in this release...
>
>     - B2B_SCA module providing new shared call appearance features
>     - CALL_CENTER module that introduces call queue features
>     - MI_JSON module to encode data in JSON format over HTTP for the
>     MI Interface commands
>     - SCRIPT_HELPER module to simplify the script/configuration for
>     beginners
>
>     In all, too many features to list. However you can view them all
>     by visiting the version page at:
>     http://www.opensips.org/About/Version-1-11-0
>
>     Again, we are excited about all the new changes version 1.11
>     delivers. We continue to appreciate all the feedback and help from
>     the community.
>
>     We still have many things to be done to get to the stable release
>     (in ~1 month), like improving the documentation, keep working on
>     fixing bugs, excessive testing and others.
>
>     We're always listening to your requests, so never be shy in making
>     one!
>
>
>     Many thanks,
>     The OpenSIPS Project Team
>
>     -- 
>     Bogdan-Andrei Iancu
>     OpenSIPS Founder and Developer
>     http://www.opensips-solutions.com
>
>
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>
>
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