Thanks for the explanation.
> A large system with upwards of 250 databases (on a relatively small
> number of database machines) as part of the system, these are used by up
> to a half a dozen web machines which can be forced up to a limit of 50
> children per machine... We regularly broke the con
On Tue, Feb 7, 2012 at 5:18 AM, James Smith wrote:
> Apache::DBI sometimes cause issues with too many database connections - we
> tend to turn it off and use DBIx::Connector as mentioned (and carefully
> selected caching) here to cope with persistence of connections
Can you say more about this?
On Tue, Feb 7, 2012 at 2:05 AM, Tobias Wagener wrote:
> Now I want to ask if someone knows a tool or perl modules, where I can
> simulate
> 50 users.
http://www.hpl.hp.com/research/linux/httperf/
It can take a file of URLs to hit in order and it can do MUCH more
than 50 users even on cheap hard
Tobias Wagener schrieb am 07.02.2012 um 08:05 (+0100):
>
> I'm currently developing a huge application with mod_perl, unixODBC
> and MaxDB/SAPDB. On my developing system everything is fine. But on
> the productive system with > 50 users, I have database connection
> errors and request aborts and s
On 07/02/2012 08:58, André Warnier wrote:
Tobias Wagener wrote:
Hello,
I'm currently developing a huge application with mod_perl, unixODBC
and MaxDB/SAPDB.
On my developing system everything is fine. But on the productive system
with > 50 users, I have database connection errors and request a
It's rudimentary but you can try Apache ab, the Apache benchmarking
tool. You probably have it installed already. Try 'man ab' at the prompt.
If you want to emulate 50 concurrent requests, sent twice, you'd do
something like:
ab -c 50 -n 100 http://example.com/etc?etc
If you don't have it
Tobias Wagener wrote:
Hello,
I'm currently developing a huge application with mod_perl, unixODBC and
MaxDB/SAPDB.
On my developing system everything is fine. But on the productive system
with > 50 users, I have database connection errors and request aborts and
so on.
Now I want to ask if someo
