On Mar 29, 2000, Ekkehard Kraemer wrote:
> Hallo John,
>
> JR>I'm thinking that the kernel TCP connection queues are filling up and
> JR>further requsts are getting dropped, but at 20?
>
> Did you check ulimit (file handles)?
>
> Did you try 'lsof | grep TCP'? Maybe it shows thousands of "
John Rousseau wrote:
>
> I'm doing some performance testing on our server and what I'm seeing
> is a little disappointing.
>
>
>
> I'm thinking that the kernel TCP connection queues are filling up
> and further requsts are getting dropped, but at 20?
>
> Any ideas on how to debug this would be
I'm doing some performance testing on our server and what I'm seeing
is a little disappointing.
We're running JDK1.2.2-RC4 (native threads) on several different
machines. I see almost identical behavior running on both of the
following machines:
quad 200MHz PII, 2GB memory, glibc 2.1.3, kernel
Hallo John,
JR>I'm thinking that the kernel TCP connection queues are filling up and
JR>further requsts are getting dropped, but at 20?
Did you check ulimit (file handles)?
Did you try 'lsof | grep TCP'? Maybe it shows thousands of "zombie" TCP/IP
connections.
Which JDBC driver are you using
On Thursday Mar 30, 2000, Peter Schuller wrote:
> > Our application server starts rejecting TCP connections (actually,
> > the OS does, our app never sees these rejected requests) at about 20
> > simultaneous requests. The load average on the system runs a little
> > high (5-10) when requests st