Re: SYN limit

2005-10-10 Thread Olivier Nicole
> Oh, ah. If you haven't rebooted since the trouble, what does this show on > the server? I did reboot, and it basically shown nothing, that's why it was not easy to find out. The queue di not overflow, only the server took some time to accept the connections, it accepted 50 and the rest was wa

Re: SYN limit

2005-10-10 Thread Mike Silbersack
On Tue, 11 Oct 2005, Olivier Nicole wrote: I am facing the following problem: I have a web server with an application that calls a MySQL server. For class and test run, I may have 100 users accessing the same web page to login to the same database. Well, it seems that was due to a bad instal

Re: SYN limit

2005-10-10 Thread Olivier Nicole
> I am facing the following problem: I have a web server with an > application that calls a MySQL server. > > For class and test run, I may have 100 users accessing the same web > page to login to the same database. Well, it seems that was due to a bad installation of MySQL. Going for the port wi

Re: SYN limit

2005-10-10 Thread Eli Dart
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Olivier Nicole wrote: > Hi, > > I am facing the following problem: I have a web server with an > application that calls a MySQL server. > > For class and test run, I may have 100 users accessing the same web > page to login to the same database. >

Re: SYN limit

2005-10-10 Thread Mike Silbersack
On Mon, 10 Oct 2005, Olivier Nicole wrote: FreeBSD has no SYN rate limit, but you could be running into TIME_WAIT recycling issues. I already set tcp.msl to 5000 to release the TIME WAIT quickly. I should really remove that sysctl... It's tangential to the problem, that would only help if

Re: SYN limit

2005-10-09 Thread Olivier Nicole
> FreeBSD has no SYN rate limit, but you could be running into TIME_WAIT > recycling issues. I already set tcp.msl to 5000 to release the TIME WAIT quickly. > Run a netstat on both the client and server, see if the port numbers > match. For example, see if the client is trying to connect to po

Re: SYN limit

2005-10-09 Thread Mike Silbersack
On Mon, 10 Oct 2005, Olivier Nicole wrote: For some reason, it seems that the MySQL server only accepts 50 connections to the same resource comming from the same client at one given time. 50 other connections are in SYN_SENT state. Any reason why this limit? FreeBSD has no SYN rate limit, bu

SYN limit

2005-10-09 Thread Olivier Nicole
Hi, I am facing the following problem: I have a web server with an application that calls a MySQL server. For class and test run, I may have 100 users accessing the same web page to login to the same database. For some reason, it seems that the MySQL server only accepts 50 connections to the sam