Re: Compressed caching improves LTSP memory efficiency
"Nai Xia" <[email protected]>
| Newsgroups | gmane.linux.terminal-server.devel |
|---|---|
| Message-ID | <[email protected]> |
Thanks a lot :) On Tue, Jun 3, 2008 at 2:35 AM, Michael Shigorin <[email protected]> wrote: > On Fri, May 30, 2008 at 04:00:50PM +0800, Nai Xia wrote: >> hi, guys, we would be very happy if you can provide us some >> feed back or testing numbers or suggestions on compcache in >> your distribution/system. We are really in need of them. :) > > Got around while being at the terminal; here you are with numbers > (PIII-500, 64M RAM): > > # uname -a > Linux ws238 2.6.22-led-tc-alt17 #1 Fri May 16 17:39:21 MSD 2008 i686 GNU/Linux > # uptime > 23:15:48 up 6 days, 7:58, 1 user, load average: 0.10, 0.14, 0.10 > # cat /proc/compcache > DiskSize: 25968 kB > NumReads: 90 > NumWrites: 609 > FailedReads: 0 > FailedWrites: 0 > InvalidIO: 0 > GoodCompress: 76 % > VeryGoodCompress: 54 % > NoCompress: 0 % > CurrentPages: 609 > CurrentMem: 709 kB > PeakMem: 709 kB > # free > total used free shared buffers cached > Mem: 62036 55044 6992 0 0 10448 > -/+ buffers/cache: 44596 17440 > Swap: 288100 2836 285264 > # swapon -s > Filename Type Size Used Priority > /dev/ramzswap0 partition 25964 2836 255 > /dev/nbd1 partition 262136 0 -1 > > with KDE desktop, Seamonkey running currently with only one > window and a few tabs, psi, xmms and a bunch of konsoles and > xterms (rather uncluttered compared to usual situation); that's Good. And do you have performance numbers or empirical results that can show the difference between the system with V.S. without compcache ? Or in other words, what observation motivated you to include compcache ? :) BTW, I am interested in that enhancement patch, where can I find it ? > all on ALTSP5 server, so only pixmaps count for the most part. > Locally running processes: > > # ps auxww > USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND > root 1 0.0 0.4 1536 260 ? Ss May27 0:09 init [3] > root 2 0.0 0.0 0 0 ? S< May27 0:00 [kthreadd] > root 3 0.0 0.0 0 0 ? S< May27 0:00 [ksoftirqd/0] > root 4 0.0 0.0 0 0 ? S< May27 0:20 [events/0] > root 5 0.0 0.0 0 0 ? S< May27 0:00 [khelper] > root 27 0.0 0.0 0 0 ? S< May27 0:00 [kblockd/0] > root 28 0.0 0.0 0 0 ? S< May27 0:00 [kacpid] > root 29 0.0 0.0 0 0 ? S< May27 0:00 [kacpi_notify] > root 91 0.0 0.0 0 0 ? S< May27 0:00 [cqueue/0] > root 92 0.0 0.0 0 0 ? S< May27 0:00 [kseriod] > root 108 0.0 0.0 0 0 ? S May27 0:00 [pdflush] > root 109 0.0 0.0 0 0 ? S May27 0:01 [pdflush] > root 110 0.0 0.0 0 0 ? S< May27 0:00 [kswapd0] > root 111 0.0 0.0 0 0 ? S< May27 0:00 [aio/0] > root 532 0.0 0.0 0 0 ? S< May27 0:00 [rpciod/0] > root 625 0.0 0.3 1660 212 ? S<s May27 0:00 /sbin/udevd --daemon > root 629 0.0 0.2 1516 180 ? Ss May27 0:41 /sbin/minilogd > root 774 0.0 0.0 0 0 ? S< May27 0:00 [kpsmoused] > root 781 0.0 0.0 0 0 ? S< May27 0:00 [ksuspend_usbd] > root 783 0.0 0.0 0 0 ? S< May27 0:00 [khubd] > root 1058 0.0 0.0 0 0 ? S< May27 0:00 [ata/0] > root 1059 0.0 0.0 0 0 ? S< May27 0:00 [ata_aux] > root 1765 0.0 0.3 1608 236 ? Ss May27 3:10 /usr/sbin/lbuscd > root 1767 0.0 0.3 2524 228 ? Ss May27 0:00 /usr/sbin/ltspfsd -a > root 1832 0.0 0.0 1516 24 ? S May27 0:00 nbd-client 192.168.1.166 9210 /dev/nbd1 > root 2020 0.0 0.3 1700 232 ? Ss May27 0:02 /sbin/rpc.idmapd > rpc 2060 0.0 0.2 1672 180 ? Ss May27 0:00 /sbin/portmap > root 2218 0.0 0.3 1524 220 ? Ss May27 0:00 /usr/sbin/acpid > root 2255 0.0 0.3 3600 208 ? Ss May27 0:00 /usr/sbin/sshd > root 2284 0.0 0.3 1584 220 ? Ss May27 0:00 /usr/sbin/ltspinfod -s > pulse 2289 0.1 5.2 7768 3252 ? Ss May27 15:13 /usr/bin/pulseaudio --system -D --use-pid-file --disallow-module-loading -n -F /etc/ltsp/ltsp.pa -L module-native-protocol-tcp auth-ip-acl=192.168.1.166 -L module-esound-protocol-tcp auth-ip-acl=192.168.1.166 -L module-alsa-sink > root 2304 0.0 0.5 1968 348 tty7 Ss+ May27 0:00 /bin/sh /usr/share/ltsp/screen.d/xdmcp > root 2305 0.0 0.3 1516 236 tty1 Ss+ May27 0:00 /sbin/mingetty --noclear tty1 > root 2306 0.0 1.0 2480 636 tty2 Ss May27 0:00 /bin/login > root 2329 1.1 57.7 44512 35812 ? Ss May27 107:14 X -depth 16 -query 192.168.1.166 -terminate -br -fp tcp/192.168.1.166:7100 vt7 :7 > root 2336 0.0 1.7 2536 1112 tty2 S May27 0:00 -bash > root 2730 0.0 0.3 2524 248 ? S May27 0:01 /usr/sbin/ltspfsd -a > root 2784 0.0 1.2 2376 784 tty2 R+ 23:17 0:00 ps auxww > > -- > ---- WBR, Michael Shigorin <mike-u2l5PoMzF/[email protected]> > ------ Linux.Kiev http://www.linux.kiev.ua/ > ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _____________________________________________________________________ Ltsp-developer mailing list. To un-subscribe, or change prefs, goto: https://lists.sourceforge.net/lists/listinfo/ltsp-developer For additional LTSP help, try #ltsp channel on irc.freenode.net