Re: Can postgresql accept mutliple connections in the same

Neil Conway wrote:

>On Fri, 2004-11-19 at 17:15 +1300, Dru wrote:
>  
>
>>Ok rules out that possibility also.  Is there any stress testing 
>>software for postgresql to find out how and when it breaks?
>>    
>>
>
>Try contrib/pgbench.
>
>  
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>>The website uses php,
>>the problem could be in the wrapper code for PHP though. I havnt
>>got much luck asking php developers about the problem though.
>>    
>>
>
>pgbench uses libpq (i.e. the native C client interface to PostgreSQL) --
>if you encounter connection failures using it, that will narrow down the
>set of possible culprits. Since you don't get an error message in the
>PostgreSQL logs when a connection is refused, it seems that the
>connection attempt doesn't even make it as far as the postmaster, so I
>would be skeptical of the software between the client and the backend
>(e.g. PHP, perhaps some kernel/TCP weirdness, etc.).
>
>-Neil
>  
>
I'll have a  look around for kernel limits regarding socket opening etc.
It could be that  thats causing the problems.