I ran on 32bits with 1G and 4k simultaneous transactions.
Most of the memory is taken by the carrierroute module (big routing tables).
2G should be more then enough for what you need.

You didn't specified what kind of "out of memory" do you get: SHM or PKG?

Regards,
Ovidiu Sas

On Tue, Nov 18, 2008 at 5:52 PM, Klaus Darilion

<klaus.mailinglists@pernau.at> wrote:
> joy yue wrote:
>>
>>
>> On 11/18/08, *Klaus Darilion* <klaus.mailinglists@pernau.at
>> <mailto:klaus.mailinglists@pernau.at>> wrote:
>>
>>     joy yue wrote:
>>
>>
>>
>>
>>         On 11/18/08, *Klaus Darilion* <klaus.mailinglists@pernau.at
>>         <mailto:klaus.mailinglists@pernau.at>
>>         <mailto:klaus.mailinglists@pernau.at
>>         <mailto:klaus.mailinglists@pernau.at>>> wrote:
>>
>>            joy yue wrote:
>>
>>
>>                Hi Folks,
>>
>>                I get out-of-memory error with openser1.3 version. As I
>>         already
>>                increase the share memory size to 2G, looks like the only
>>         choice
>>                is to compile openser as 64-bit binary. Before I go
>>         further, I'd
>>                like to check if anyone has experience in this. Does OPenser
>>                work with 64-bit binary?
>>
>>
>>
>>            Maybe you are triggering a bug in openser and leaking memory. I
>>            think it would be better to debug why you are running out of
>>         memory.
>>            http://kamailio.org/dokuwiki/doku.php/troubleshooting:memory
>>
>>
>>         It doesn't look like memory leak. With lower load, openser runs
>>         fine without the out-of-memory error.
>>
>>
>>     Hi!
>>
>>     (please cc the list)
>>
>>     So how much traffic is on your openser? (registrations per seconds,
>>     transactions per seconds ...)
>>
>>     Maybe it leaks only under heavy load? (e.g.race conditions?)
>>
>>
>> The traffic is around 18k transaction/sec.  How much memory is needed
>> for one transaction?
>
> Thats really heavy load - maybe someone of the core guys knows how many
> memory is needed per transaction
>
> klaus
>

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