[Devel] openser memory

[S G]

Thanks Bogdan,

Is there any type of documentation on the memory management system for 
openser? What are the pros/cons of statically allocating the pool this way? 
I can see a need for dynamic memory in modules such as LCR where routing 
tables could increase on the fly. I am looking into making my own 
modifications to LCR module that will utilize very large routing tables. It 
wouldnt make sense to have to recompile openser anytime there was an 
increase in routing information. It would also seem a waste to reserve all 
the system memory when not in use by the program. Would there be issues if a 
module didn't utilize openser's memory management?

-Sumeet

>From: Bogdan-Andrei Iancu <bogdan at voice-system.ro>
>To: S G <skg1010 at hotmail.com>
>CC: devel at openser.org
>Subject: Re: [Devel] openser memory
>Date: Tue, 18 Apr 2006 11:06:03 +0300
>
>Hi,
>
>openser uses two pools of memory - one per process (private) and one shared 
>between the processes.
>These pools are allocated at startup, so no additional memory will be 
>required from the system at runtime.
>PKG memory is the private one and by default is set to 1M (1024*1024).
>
>So, first see what memory is running out and then increase it.
>
>regards,
>bogdan
>
>S G wrote:
>
>>I am getting errors of openser running out of memory. Yet there is 1.5 
>>gigs of memory avaialbe on the system in question. It is possible there is 
>>a bug in a module affecting other parts of openser, but i have a question 
>>on the memory management.
>>
>>I notice this define,
>>
>>#define PKG_MEM_POOL_SIZE 1024*1024
>>
>>
>>and these lines in memory code,
>>
>>char mem_pool[PKG_MEM_POOL_SIZE];
>>
>>#ifdef PKG_MALLOC
>>/*init mem*/
>>#ifdef VQ_MALLOC
>>mem_block=vqm_malloc_init(mem_pool, PKG_MEM_POOL_SIZE);
>>#elif F_MALLOC
>>mem_block=fm_malloc_init(mem_pool, PKG_MEM_POOL_SIZE);
>>#else
>>mem_block=qm_malloc_init(mem_pool, PKG_MEM_POOL_SIZE);
>>#endif
>>
>>
>>How is PKG_MEM_POOL_SIZE used? Is openser not configured to use all 
>>available memory?
>>
>>Thanks,
>>Sumeet
>>
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>

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