On Sat, Jun 16, 2007 at 11:48:09AM +0200, Bernhard Fischer wrote: >On Fri, Jun 15, 2007 at 12:31:34PM -0700, Dylan Vanderhoof wrote: >>I figured that's why it wasn't the default, but removing it had no >>effect on rrdtool performance, I was just playing with options. >> >>I'm still seeing approximatly half the performance from trunk than I am >>1.2.23 + fadvise. (For fetch. graph is about 1/3 the speed with trunk) >>I'll without mmap when I get a chance to see if that's part of the >>issue. >> >>(FWIW, this is on linux 2.4.32, I haven't had a chance to test it on a >>2.6.X server yet) > >Just to be sure, run make clean and then configure with mmap again >(don't forget a make install). Can you send the logfile created by >strace -s4096 -o /tmp/rrdtool-trunk.mmap.1.log /there/rrdtool ... > >You are using pristine trunk, without any additional patches, right? >What revision are you using (i assume you're on i386)?
Hm. How fast is your CPU and how much RAM does that box have? Note that i'm just interrested in the fetch part for now. _______________________________________________ rrd-developers mailing list rrd-developers@lists.oetiker.ch https://lists.oetiker.ch/cgi-bin/listinfo/rrd-developers
