I just do this in jmeter.bat rem set ARGS=%HEAP% %NEW% %SURVIVOR% %TENURING% %EVACUATION% %RMIGC% %PERM% %DEBUG% set ARGS=-server
peter On Tue, 24 Aug 2004 08:35:26 -0600, Michael Chandler <[EMAIL PROTECTED]> wrote: > Where does the -server switch go? > Java -jar ApacheJMeter.jar -server ????? > > > > -----Original Message----- > From: Peter Lin [mailto:[EMAIL PROTECTED] > Sent: Tuesday, August 24, 2004 8:32 AM > To: JMeter Users List > Subject: Re: win 2000 > > yeah, that is understandable, since Sun says the extended options are > not required of all VM. > > peter > > On Tue, 24 Aug 2004 16:25:56 +0200, Jordi Salvat i Alabart > <[EMAIL PROTECTED]> wrote: > > "-server" provides much more significant gains than any heap/GC > tuning. > > I didn't dare to put it in the script because I've seen JREs that > didn't > > accept it (though these may no longer be in use nowadays). > > > > The heap tuning only provides unmeasurable gains at relatively low > loads > > (i.e. when the CPU of the machine where JMeter runs is below 50%). > Even > > the gains at high loads are small (run with "-verbose:gc" to get a log > > of times devoted to GC), although it becomes more important with > complex > > long-running tests that have higher memory needs. But yhe most > important > > effect is still that Full GC pauses are almost completely elliminated, > > which is good because they sometimes caused significant disturbance in > > the measurements in short-running tests. > > > > > > > > -- > > Salut, > > > > Jordi. > > > > En/na Peter Lin ha escrit: > > > that's strange. when I run it with and without the extra options on > my > > > gateway laptop running XP and my old P3 450 it is faster if I just > > > have "-server" without all the extra options. > > > > > > maybe it's just my system or configuration. > > > > > > peter > > > > > > > > > On Tue, 24 Aug 2004 13:13:29 +0200, Jordi Salvat i Alabart > > > <[EMAIL PROTECTED]> wrote: > > > > > >>It's exactly the opposite: you'll want those parameters (tuned as > > >>suggested in the script's comments) when you need to generate high > loads > > >>-- that is: in actual use, not during development. > > >> > > >>These settings minimise (or almost) the amount of time spent in > garbage > > >>collection. This increases maximum throughput (i.e. the amount of > > >>traffic you can generate with a given machine and a given script). > They > > >>also reduce the frequency of full GCs to a minimum (most tests > running > > >>for only a few hours will never need a full GC) thus reducing > > >>measurement error. > > >> > > >>I can't tell why Michael is getting that error with the HEAP options > in > > >>place -- those default parameters work well for me with JDK 1.4.2_03 > (I > > >>don't have _04 at hand). > > >> > > >>But removing the -Xms/-Xmx without removing the > > >>-XX:NewSize/-XX:MaxNewSize as he did in his last message causes > exactly > > >>that (as I would expect: the default heap is far too small to > accomodate > > >>a 128m new space). So leave all those parameters in place or remove > them > > >>all. > > >> > > >>-- > > >>Salut, > > >> > > >>Jordi. > > >> > > >>En/na Peter Lin ha escrit: > > >> > > >> > > >> > > >>>can you try commenting out all the extra VM parameters? > > >>> > > >>>usually I do that, since many of the settings really shouldn't be > used > > >>>for regular use. It's good for developers writing samplers and > > >>>plugins, but not necessarily great for just running tests. > > >>> > > >>>peter > > >>> > > >>> > > >>>On Mon, 23 Aug 2004 13:16:16 -0600, Michael Chandler > > >>><[EMAIL PROTECTED]> wrote: > > >>> > > >>> > > >>>>I installed j2sdk1.4.2_04. The same on both XP and win2k. I also > have > > >>>>j2sdk1.4.0-rc and j2sdk1.4.0_01. The newer one is first in my path > and > > >>>>classpath. > > >>>> > > >>>>Here is the echo (without [HEAP=-Xms256m -Xmx256m]): > > >>>>echo %JAVA_HOME%\bin\java %JVM_ARGS% %ARGS% -jar ApacheJMeter.jar > > >>>>%JMETER_CMD_LINE_ARGS% > > >>>> > > >>>>c:\j2sdk1.4.2_04\bin\java -XX:NewSize=128m -XX:MaxNewSize=128m > > >>>>-XX:SurvivorRatio=8 -XX:TargetSurvivorRatio=50 > > >>>>-XX:MaxTenuringThreshold=2 -XX:MaxLiveObjectEvacuationRatio=20 > > >>>>-Dsun.rmi.dgc.client.gcInterval=600000 > > >>>>-Dsun.rmi.dgc.server.gcInterval=600000 -XX:PermSize=64m > > >>>>-XX:MaxPermSize=64m -verbose:gc -XX:+PrintTenuringDistribution > -jar > > >>>>ApacheJMeter.jar > > >>>>Error occurred during initialization of VM > > >>>>Incompatible initial and maximum heap sizes specified > > >>>> > > >>>>-----Original Message----- > > >>>>From: BAZLEY, Sebastian [mailto:[EMAIL PROTECTED] > > >>>>Sent: Monday, August 23, 2004 12:16 PM > > >>>>To: 'JMeter Users List' > > >>>>Subject: RE: win 2000 > > >>>> > > >>>>Did you install the full JDK, or just the JRE? > > >>>> > > >>>>Some of the options may only make sense if the "server" flavour of > the > > >>>>JVM > > >>>>is installed. > > >>>> > > >>>>Certainly java -server only works if the full JDK is installed ... > > >>>> > > >>>>S. > > >>>>-----Original Message----- > > >>>>From: Michael Chandler [mailto:[EMAIL PROTECTED] > > >>>>Sent: 23 August 2004 19:07 > > >>>>To: JMeter Users List > > >>>>Subject: RE: win 2000 > > >>>> > > >>>>If I take it out, it still gives me the error. I'll try rebooting > here > > >>>>in a minute and do it again. I've tried several combos. I'll look > at > > >>>>java - X, also. > > >>>> > > >>>>-----Original Message----- > > >>>>From: Peter Lin [mailto:[EMAIL PROTECTED] > > >>>>Sent: Monday, August 23, 2004 11:55 AM > > >>>>To: JMeter Users List > > >>>>Subject: Re: win 2000 > > >>>> > > >>>>it should work if you remove it. I have JMeter 2 and 1.9 running > on my > > >>>>workstation at home, which is running win2K. it works with Sun > > >>>>jdk1.4.2_03 and jdk5 > > >>>> > > >>>>peter > > >>>> > > >>>>On Mon, 23 Aug 2004 11:44:58 -0600, Michael Chandler > > >>>><[EMAIL PROTECTED]> wrote: > > >>>> > > >>>> > > >>>>>I've been running Jmeter successfully on my XP box. When I try to > run > > >>>> > > >>>>it > > >>>> > > >>>> > > >>>>>on a Win 2000 box, I get the error: > > >>>>> > > >>>>>Error occurred during initialization of VM > > >>>>>Incompatible initial and maximum heap sizes specified. > > >>>>> > > >>>>>The jmeter.bat file has the entry: > > >>>>>set HEAP=-Xms256m -Xmx256m > > >>>>> > > >>>>>I tried resetting it but haven't found the correct combination. > > >>>>> > > >>>>>Any ideas? > > >>>>> > > >>>>> > > >>>> > > > >>>>-------------------------------------------------------------------- > - > > >>>>To unsubscribe, e-mail: [EMAIL PROTECTED] > > >>>>For additional commands, e-mail: > [EMAIL PROTECTED] > > >>>> > > > >>>>-------------------------------------------------------------------- > - > > >>>>To unsubscribe, e-mail: [EMAIL PROTECTED] > > >>>>For additional commands, e-mail: > [EMAIL PROTECTED] > > >>>> > > >>>> > > >>>>_______________________________________________________ > > >>>> > > >>>>This e-mail and the documents attached are confidential and > intended > > >>>>solely for the addressee; it may also be privileged. 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