Re: Tool to create multiple requests

2012-03-04 Thread Perrin Harkins
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

Re: Tool to create multiple requests

2012-03-02 Thread Perrin Harkins
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?

Re: Tool to create multiple requests

2012-03-02 Thread Perrin Harkins
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

Re: Tool to create multiple requests

2012-03-02 Thread Michael Ludwig
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

Re: Tool to create multiple requests

2012-02-07 Thread James Smith
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

Re: Tool to create multiple requests

2012-02-07 Thread gAzZaLi
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

Re: Tool to create multiple requests

2012-02-07 Thread André Warnier
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

Tool to create multiple requests

2012-02-06 Thread Tobias Wagener
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 someone knows a tool or perl