On 13/08/2008, Fitzpatrick, Adrian <[EMAIL PROTECTED]> wrote: > > As Michael said , no errors! Where do you see the out of memory? In terms of > the JMX, the likely culprit is probably the HTTP cache manager. I see that it > clears after interation but I also see each iteration apppears to download a > hell of a lot! I haven't counted at all, but I imagine a worst case scenario > of 128 threads running simulateanously and downloading say 10mb per > iteration, theres up 1.2Gb memory gone before you even count jmeter's own > memory usage.... have u tried running without this element? >
The Cache Manager should only save the Last-Modified and Etag values for each URL, but maybe it has a fault. > > -----Original Message----- > From: Eric Tchepannou [mailto:[EMAIL PROTECTED] > > Sent: 13 August 2008 18:55 > To: JMeter Users List > > Subject: Re: OutOfMemoryErrors. Tips for performance improvement. > > > ************************************* > > This e-mail has been received by the Revenue Internet e-mail service. (IP) > > ************************************* > > > see attached. > > Thanks . > > Eric. > > > On Wed, Aug 13, 2008 at 6:28 PM, Fitzpatrick, Adrian < [EMAIL PROTECTED]> > wrote: > > > > Hi Eric, > > We are running more threads with less memory than this, so it should be > possible. Are you doing anything odd in your thread groups that might consume > a lot of memory? If you want to share ur JMX file i can take a look and see > if I can spot anything.... > > Regards, > > Adrian > > > -----Original Message----- > From: Eric Tchepannou [mailto: [EMAIL PROTECTED] > Sent: 13 August 2008 17:58 > To: JMeter Users List > Subject: OutOfMemoryErrors. Tips for performance improvement. > > > Hi all, > > I am looking for tips to improve performance with jmeter. I have recorded a > web test script containing two thread groups. Following the jmeter's best > practice guide, I have disabled all my listeners and I am running in nongui > mode and with "-Xms2048m -Xmx2048m". I am trying to simulate 128 (2 x 64) > users for one hour, but constantly get OutOfMemory errors after about 15 > minutes. I would have hoped to be able to perform this test from a single > client, but it looks like this will only work with distributed testing or do > you know any other useful tip I could use to improve the performance? > > Thanks, > > Eric. > > > > ************************ > > This message has been delivered to the Internet by the Revenue Internet > e-mail service (OP) > > ************************* > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > ************************ > > This message has been delivered to the Internet by the Revenue Internet > e-mail service (OP) > > ************************* --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
