Howto control main memory usage

Hi all,
I have to run some experiment in which there is a lot of File I/O. I do not want the files to cached. The results might get affected because of this. Is there any way I can control the caching. Even if there is something to periodically free the memory, it will be great. I am working on a linux machine so any linux specific command will also do.
thanks in advance
regards,
piyush

Is this related to Java?
1. "I do not want the files to cached."
2. "Is there any way I can control the caching."
3. "is there something to periodically free the memory?"
Still don't quite get your question.
--

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    2081 redac 20 0 549804 3236 2480 S 0.0 0.0 0:00.13 akonadi_archive
    2082 redac 20 0 303140 2480 2276 S 0.0 0.0 0:00.04 akonadi_agent_l
    2083 redac 20 0 305600 2516 2300 S 0.0 0.0 0:00.05 akonadi_agent_l
    2084 redac 20 0 314988 4144 3156 S 0.0 0.1 0:00.12 akonadi_imap_re
    2099 redac 20 0 430912 15668 9912 S 0.0 0.2 0:09.39 yakuake
    2100 redac 20 0 309676 2560 2308 S 0.0 0.0 0:00.04 akonadi_agent_l
    2101 redac 20 0 339400 2860 2468 S 0.0 0.0 0:00.09 akonadi_maildis
    2102 redac 20 0 549820 2828 2504 S 0.0 0.0 0:00.13 akonadi_mailfil
    2103 redac 20 0 314052 2924 2508 S 0.0 0.0 0:00.09 akonadi_nepomuk
    2115 redac 20 0 303056 2428 2240 S 0.0 0.0 0:00.04 akonadi_agent_l
    2132 redac 20 0 2011628 14200 5716 S 0.0 0.2 0:18.21 ktorrent
    2158 redac 20 0 15972 836 520 S 0.0 0.0 0:00.00 bash
    2161 redac 20 0 1040928 6484 3060 S 0.0 0.1 0:00.53 knotify4
    2162 redac 20 0 1962616 484928 23072 S 0.0 5.9 2:06.25 firefox
    2176 redac 20 0 13732 344 340 S 0.0 0.0 0:00.00 rssowl
    2178 redac 20 0 11344 404 404 S 0.0 0.0 0:00.00 RSSOwl
    2193 redac 20 0 374420 2764 2516 S 0.0 0.0 0:00.06 polkit-kde-auth
    2195 redac 20 0 3314212 140484 13196 S 0.0 1.7 0:24.29 java
    2203 redac 9 -11 308256 2424 912 S 0.0 0.0 0:00.36 pulseaudio
    2209 redac 20 0 406420 3544 2720 S 0.0 0.0 0:00.08 korgac
    2233 redac 20 0 69156 420 420 S 0.0 0.0 0:00.00 gconf-helper
    2235 redac 20 0 45676 836 564 S 0.0 0.0 0:00.01 gconfd-2
    2236 redac 20 0 438044 4468 3128 S 0.0 0.1 0:00.13 klipper
    2322 redac 20 0 193052 944 740 S 0.0 0.0 0:00.00 gvfsd
    2336 redac 20 0 282112 644 644 S 0.0 0.0 0:00.00 gvfsd-fuse
    2361 redac 20 0 263576 572 572 S 0.0 0.0 0:00.00 at-spi-bus-laun
    2436 redac 20 0 3188512 61188 19352 S 0.0 0.7 0:16.98 plasma-desktop
    2441 redac 20 0 9828 784 520 S 0.0 0.0 0:01.06 ksysguardd
    2832 redac 20 0 15580 1240 784 S 0.0 0.0 0:02.93 top
    2867 redac 20 0 15972 1796 1160 S 0.0 0.0 0:00.03 bash
    2937 root 20 0 0 0 0 S 0.0 0.0 0:00.03 kworker/2:1
    2938 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kworker/3:1
    3336 root 20 0 0 0 0 S 0.0 0.0 0:00.25 kworker/u8:2
    3643 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kworker/u8:1
    3662 root 20 0 0 0 0 S 0.0 0.0 0:00.03 kworker/0:1
    3703 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kworker/0:0
    3704 redac 20 0 15456 1308 992 R 0.0 0.0 0:00.00 top
    32506 root 20 0 0 0 0 S 0.0 0.0 0:00.57 kworker/0:2
    I wouldn't expect the '%MEM's to add up to exactly the real usage, but this isn't even close! So, what could be using up all of my memory? I have /tmp mounted to ram, but that's only a few megabytes. I really have no idea where to go from here.
    The relevant portion of my pacman log is below, since I don't know how to get just a compact list of the updated packages. Most notably, the kernel was upgrades, from 3.9.9-1 to 3.10.3-1.
    [2013-08-03 13:00] [PACMAN] Running 'pacman -Su'
    [2013-08-03 13:00] [PACMAN] starting full system upgrade
    [2013-08-03 13:38] [PACMAN] upgraded a52dec (0.7.4-6 -> 0.7.4-7)
    [2013-08-03 13:38] [PACMAN] upgraded libmariadbclient (5.5.31-1 -> 5.5.32-1)
    [2013-08-03 13:38] [PACMAN] upgraded mariadb-clients (5.5.31-1 -> 5.5.32-1)
    [2013-08-03 13:38] [PACMAN] upgraded mariadb (5.5.31-1 -> 5.5.32-1)
    [2013-08-03 13:38] [PACMAN] upgraded akonadi (1.10.0-2 -> 1.10.2-1)
    [2013-08-03 13:38] [PACMAN] upgraded alsa-plugins (1.0.27-1 -> 1.0.27-2)
    [2013-08-03 13:38] [PACMAN] upgraded alsa-utils (1.0.27.1-2 -> 1.0.27.2-1)
    [2013-08-03 13:38] [PACMAN] upgraded x264 (20130206-1 -> 20130702-2)
    [2013-08-03 13:38] [PACMAN] upgraded ffmpeg (1:1.2.1-1 -> 1:2.0-2)
    [2013-08-03 13:38] [PACMAN] upgraded amarok (2.7.1-2 -> 2.7.1-3)
    [2013-08-03 13:38] [PACMAN] upgraded anki (2.0.11-1 -> 2.0.12-1)
    [2013-08-03 13:38] [PACMAN] upgraded apr (1.4.6-1 -> 1.4.8-1)
    [2013-08-03 13:38] [PACMAN] upgraded glib2 (2.36.3-2 -> 2.36.3-3)
    [2013-08-03 13:38] [ALPM] warning: /usr/lib/avahi/service-types.db installed as /usr/lib/avahi/service-types.db.pacnew
    [2013-08-03 13:38] [PACMAN] upgraded avahi (0.6.31-9 -> 0.6.31-10)
    [2013-08-03 13:38] [PACMAN] upgraded bison (2.7.1-1 -> 3.0-1)
    [2013-08-03 13:38] [ALPM-SCRIPTLET] ---------------- I/O BUG ---------------------------------------
    [2013-08-03 13:38] [ALPM-SCRIPTLET] There's a bug in fglrx found by lano1106 which generates
    [2013-08-03 13:38] [ALPM-SCRIPTLET] great amount of unneeded I/O operations
    [2013-08-03 13:38] [ALPM-SCRIPTLET]
    [2013-08-03 13:38] [ALPM-SCRIPTLET] To activate workaround enable systemd service:
    [2013-08-03 13:38] [ALPM-SCRIPTLET] systemctl enable temp-links-catalyst
    [2013-08-03 13:38] [ALPM-SCRIPTLET] systemctl start temp-links-catalyst
    [2013-08-03 13:38] [ALPM-SCRIPTLET]
    [2013-08-03 13:38] [ALPM-SCRIPTLET] More infos:
    [2013-08-03 13:38] [ALPM-SCRIPTLET] https://bbs.archlinux.org/viewtopic.php?pid=1279977#p1279977
    [2013-08-03 13:38] [ALPM-SCRIPTLET] https://bbs.archlinux.org/viewtopic.php?pid=1280193#p1280193
    [2013-08-03 13:38] [ALPM-SCRIPTLET] ----------------------------------------------------------------
    [2013-08-03 13:38] [PACMAN] upgraded catalyst-utils (13.6-3 -> 13.8-1)
    [2013-08-03 13:38] [ALPM-SCRIPTLET] + removing fglrx module from /usr/lib/modules/3.9.9-1-ARCH
    [2013-08-03 13:38] [ALPM-SCRIPTLET] Building fglrx module for 3.9.9-1-ARCH kernel ...
    [2013-08-03 13:38] [ALPM-SCRIPTLET] Ok.
    [2013-08-03 13:38] [ALPM-SCRIPTLET] ----------------------------------------------------------------
    [2013-08-03 13:38] [ALPM-SCRIPTLET] ATTENTION!
    [2013-08-03 13:38] [ALPM-SCRIPTLET] ----------------------------------------------------------------
    [2013-08-03 13:38] [ALPM-SCRIPTLET] To enable 'automatic re-compilation while system shutdown/reboot'
    [2013-08-03 13:38] [ALPM-SCRIPTLET] testing feature run these commands as root:
    [2013-08-03 13:38] [ALPM-SCRIPTLET] systemctl enable catalyst-hook
    [2013-08-03 13:38] [ALPM-SCRIPTLET] systemctl start catalyst-hook
    [2013-08-03 13:38] [ALPM-SCRIPTLET]
    [2013-08-03 13:38] [ALPM-SCRIPTLET] More info here:
    [2013-08-03 13:38] [ALPM-SCRIPTLET] https://bbs.archlinux.org/viewtopic.php?pid=1255575#p1255575
    [2013-08-03 13:38] [ALPM-SCRIPTLET] ----------------------------------------------------------------
    [2013-08-03 13:38] [PACMAN] upgraded catalyst-hook (13.6-3 -> 13.8-1)
    [2013-08-03 13:38] [PACMAN] upgraded chromaprint (0.7-5 -> 0.7-6)
    [2013-08-03 13:38] [PACMAN] upgraded nspr (4.9.6-1 -> 4.10-2)
    [2013-08-03 13:38] [PACMAN] upgraded nss (3.14.3-3 -> 3.15.1-1)
    [2013-08-03 13:38] [PACMAN] upgraded xdg-utils (1.1.0.git20121008-2 -> 1.1.0.git20130520-1)
    [2013-08-03 13:38] [PACMAN] upgraded libgcrypt (1.5.2-1 -> 1.5.3-1)
    [2013-08-03 13:38] [PACMAN] upgraded libpng (1.6.2-3 -> 1.6.3-1)
    [2013-08-03 13:38] [PACMAN] upgraded xcb-proto (1.8-1 -> 1.8-2)
    [2013-08-03 13:38] [PACMAN] upgraded libxcb (1.9.1-1 -> 1.9.1-2)
    [2013-08-03 13:38] [PACMAN] upgraded libx11 (1.6.0-1 -> 1.6.1-1)
    [2013-08-03 13:38] [PACMAN] upgraded giflib (4.2.1-3 -> 5.0.4-2)
    [2013-08-03 13:38] [PACMAN] upgraded libwebp (0.3.1-2 -> 0.3.1-3)
    [2013-08-03 13:38] [PACMAN] upgraded harfbuzz (0.9.18-1 -> 0.9.19-1)
    [2013-08-03 13:38] [PACMAN] upgraded harfbuzz-icu (0.9.18-1 -> 0.9.19-1)
    [2013-08-03 13:38] [PACMAN] upgraded chromium (28.0.1500.71-1 -> 28.0.1500.95-1)
    [2013-08-03 13:38] [PACMAN] upgraded glew (1.9.0-2 -> 1.10.0-1)
    [2013-08-03 13:38] [PACMAN] upgraded projectm (2.1.0-5 -> 2.1.0-6)
    [2013-08-03 13:39] [PACMAN] upgraded clementine (1.1.1-8 -> 1.1.1-9)
    [2013-08-03 13:39] [PACMAN] upgraded cln (1.3.2-1 -> 1.3.3-1)
    [2013-08-03 13:39] [PACMAN] upgraded gstreamer (1.0.8-1 -> 1.0.9-1)
    [2013-08-03 13:39] [PACMAN] upgraded gst-plugins-base-libs (1.0.8-1 -> 1.0.9-1)
    [2013-08-03 13:39] [PACMAN] upgraded gst-plugins-bad (1.0.8-1 -> 1.0.9-1)
    [2013-08-03 13:39] [PACMAN] upgraded clutter-gst (2.0.4-2 -> 2.0.6-1)
    [2013-08-03 13:39] [PACMAN] upgraded colord (1.0.2-1 -> 1.0.2-2)
    [2013-08-03 13:39] [PACMAN] upgraded cracklib (2.8.22-3 -> 2.9.0-1)
    [2013-08-03 13:39] [PACMAN] upgraded dhcpcd (5.6.8-3 -> 6.0.4-1)
    [2013-08-03 13:39] [PACMAN] upgraded dosfstools (3.0.20-1 -> 3.0.22-1)
    [2013-08-03 13:39] [PACMAN] upgraded lib32-glew (1.9.0-1 -> 1.10.0-1)
    [2013-08-03 13:39] [ALPM] warning: directory permissions differ on /opt/df_linux/
    [2013-08-03 13:39] [PACMAN] upgraded dwarffortress (0.34.11-3 -> 0.34.11-4)
    [2013-08-03 13:39] [PACMAN] upgraded jre7-openjdk-headless (7.u40_2.4.1-1 -> 7.u40_2.4.1-2)
    [2013-08-03 13:39] [PACMAN] upgraded jre7-openjdk (7.u40_2.4.1-1 -> 7.u40_2.4.1-2)
    [2013-08-03 13:39] [PACMAN] upgraded jdk7-openjdk (7.u40_2.4.1-1 -> 7.u40_2.4.1-2)
    [2013-08-03 13:39] [PACMAN] upgraded eclipse (4.2.2-1 -> 4.3-1)
    [2013-08-03 13:39] [PACMAN] upgraded emacs (24.3-2 -> 24.3-3)
    [2013-08-03 13:39] [PACMAN] upgraded exempi (2.2.0-1 -> 2.2.1-1)
    [2013-08-03 13:39] [PACMAN] upgraded fontforge (20120731_b-3 -> 20120731_b-6)
    [2013-08-03 13:39] [PACMAN] upgraded fuse (2.9.2-3 -> 2.9.3-1)
    [2013-08-03 13:39] [PACMAN] upgraded gegl (0.2.0-8 -> 0.2.0-9)
    [2013-08-03 13:39] [PACMAN] upgraded git (1.8.3.3-1 -> 1.8.3.4-1)
    [2013-08-03 13:39] [PACMAN] upgraded glib (1.2.10-9 -> 1.2.10-10)
    [2013-08-03 13:39] [PACMAN] upgraded glib-perl (1.280-3 -> 1.301-1)
    [2013-08-03 13:39] [PACMAN] upgraded glpk (4.48-1 -> 4.52-1)
    [2013-08-03 13:39] [PACMAN] upgraded gnash-common (0.8.10-9 -> 0.8.10-10)
    [2013-08-03 13:39] [PACMAN] upgraded ibus (1.5.2-2 -> 1.5.3-1)
    [2013-08-03 13:39] [PACMAN] upgraded gnome-settings-daemon (3.8.3-2 -> 3.8.4-1)
    [2013-08-03 13:39] [PACMAN] upgraded libqmi (1.4.0-1 -> 1.4.0-2)
    [2013-08-03 13:39] [PACMAN] upgraded libmbim (1.2.0-1 -> 1.4.0-1)
    [2013-08-03 13:39] [PACMAN] upgraded modemmanager (0.7.991-1 -> 1.0.0-1)
    [2013-08-03 13:39] [PACMAN] upgraded gnome-control-center (3.8.3-1 -> 3.8.4.1-1)
    [2013-08-03 13:39] [PACMAN] upgraded gnome-icon-theme (3.8.2-1 -> 3.8.3-1)
    [2013-08-03 13:39] [PACMAN] upgraded gnutls (3.2.1-1 -> 3.2.3-1)
    [2013-08-03 13:39] [PACMAN] upgraded gnome-vfs (2.24.4-6 -> 2.24.4-7)
    [2013-08-03 13:39] [PACMAN] upgraded goffice (0.10.3-1 -> 0.10.4-1)
    [2013-08-03 13:40] [PACMAN] upgraded gnumeric (1.12.3-1 -> 1.12.4-1)
    [2013-08-03 13:40] [PACMAN] upgraded gst-plugins-base (1.0.8-1 -> 1.0.9-1)
    [2013-08-03 13:40] [PACMAN] upgraded gst-plugins-good (1.0.8-1 -> 1.0.9-1)
    [2013-08-03 13:40] [PACMAN] upgraded gstreamer0.10-ugly (0.10.19-5 -> 0.10.19-6)
    [2013-08-03 13:40] [PACMAN] upgraded gstreamer0.10-ugly-plugins (0.10.19-5 -> 0.10.19-6)
    [2013-08-03 13:40] [ALPM] warning: directory permissions differ on /var/log/hp/
    [2013-08-03 13:40] [PACMAN] upgraded hplip (3.13.6-1 -> 3.13.7-1)
    [2013-08-03 13:40] [PACMAN] upgraded idnkit (1.0-2 -> 1.0-3)
    [2013-08-03 13:40] [PACMAN] upgraded ilmbase (2.0.0-1 -> 2.0.1-1)
    [2013-08-03 13:40] [PACMAN] upgraded imlib2 (1.4.5-4 -> 1.4.5-5)
    [2013-08-03 13:40] [PACMAN] upgraded iso-codes (3.43-1 -> 3.44-1)
    [2013-08-03 13:40] [PACMAN] upgraded openexr (2.0.0-1 -> 2.0.1-1)
    [2013-08-03 13:40] [PACMAN] upgraded media-player-info (17-1 -> 19-1)
    [2013-08-03 13:40] [PACMAN] upgraded qtwebkit (2.3.1-2 -> 2.3.2-1)
    [2013-08-03 13:40] [PACMAN] upgraded kdelibs (4.10.5-1 -> 4.10.5-2)
    [2013-08-03 13:40] [PACMAN] upgraded kdemultimedia-ffmpegthumbs (4.10.5-1 -> 4.10.5-2)
    [2013-08-03 13:40] [PACMAN] upgraded kdenetwork-filesharing (4.10.5-1 -> 4.10.5-2)
    [2013-08-03 13:40] [PACMAN] upgraded kdenetwork-kdnssd (4.10.5-1 -> 4.10.5-2)
    [2013-08-03 13:40] [PACMAN] upgraded kdenetwork-kget (4.10.5-1 -> 4.10.5-2)
    [2013-08-03 13:40] [PACMAN] upgraded kdenetwork-kopete (4.10.5-1 -> 4.10.5-2)
    [2013-08-03 13:40] [PACMAN] upgraded kdenetwork-kppp (4.10.5-1 -> 4.10.5-2)
    [2013-08-03 13:40] [PACMAN] upgraded kdenetwork-krdc (4.10.5-1 -> 4.10.5-2)
    [2013-08-03 13:40] [PACMAN] upgraded kdenetwork-krfb (4.10.5-1 -> 4.10.5-2)
    [2013-08-03 13:40] [PACMAN] upgraded kid3 (2.3-1 -> 2.3-2)
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ----------------------------------------------------------------
    [2013-08-03 13:40] [ALPM-SCRIPTLET] lib32-catalyst-utils works with [multilib] repository
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ----------------------------------------------------------------
    [2013-08-03 13:40] [PACMAN] upgraded lib32-catalyst-utils (13.6-1 -> 13.8-1)
    [2013-08-03 13:40] [PACMAN] upgraded lib32-libx11 (1.6.0-1 -> 1.6.1-1)
    [2013-08-03 13:40] [PACMAN] upgraded lib32-giflib (4.2.1-1 -> 5.0.4-1)
    [2013-08-03 13:40] [PACMAN] upgraded lib32-gnutls (3.2.1-1 -> 3.2.3-1)
    [2013-08-03 13:40] [PACMAN] upgraded lib32-harfbuzz (0.9.18-1 -> 0.9.19-1)
    [2013-08-03 13:40] [PACMAN] upgraded lib32-libgcrypt (1.5.2-1 -> 1.5.3-1)
    [2013-08-03 13:40] [PACMAN] upgraded libpciaccess (0.13.1-1 -> 0.13.2-1)
    [2013-08-03 13:40] [PACMAN] upgraded lib32-libpciaccess (0.13.1-1 -> 0.13.2-1)
    [2013-08-03 13:40] [PACMAN] upgraded lib32-libpng (1.6.2-1 -> 1.6.3-1)
    [2013-08-03 13:40] [PACMAN] upgraded mesa (9.1.4-5 -> 9.1.6-1)
    [2013-08-03 13:40] [PACMAN] upgraded lib32-mesa (9.1.4-1 -> 9.1.6-1)
    [2013-08-03 13:40] [PACMAN] upgraded lib32-nspr (4.9.6-1 -> 4.10-2)
    [2013-08-03 13:40] [PACMAN] upgraded lib32-nss (3.14.3-2 -> 3.15.1-1)
    [2013-08-03 13:40] [PACMAN] upgraded libdatrie (0.2.5-1 -> 0.2.6-1)
    [2013-08-03 13:40] [PACMAN] upgraded libgdiplus (2.10-4 -> 2.10.9-1)
    [2013-08-03 13:40] [PACMAN] upgraded libthai (0.1.18-1 -> 0.1.19-1)
    [2013-08-03 13:40] [PACMAN] upgraded libusbx (1.0.15-1 -> 1.0.16-1)
    [2013-08-03 13:40] [PACMAN] upgraded libxfont (1.4.5-1 -> 1.4.6-1)
    [2013-08-03 13:40] [PACMAN] upgraded linux-firmware (20130610-1 -> 20130725-1)
    [2013-08-03 13:40] [PACMAN] upgraded mkinitcpio-busybox (1.20.2-1 -> 1.21.1-2)
    [2013-08-03 13:40] [PACMAN] upgraded mkinitcpio (0.14.0-1 -> 0.15.0-1)
    [2013-08-03 13:40] [ALPM-SCRIPTLET] >>> Updating module dependencies. Please wait ...
    [2013-08-03 13:40] [ALPM-SCRIPTLET] >>> Generating initial ramdisk, using mkinitcpio. Please wait...
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> Building image from preset: /etc/mkinitcpio.d/linux.preset: 'default'
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> -k /boot/vmlinuz-linux -c /etc/mkinitcpio.conf -g /boot/initramfs-linux.img
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> Starting build: 3.10.3-1-ARCH
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> Running build hook: [base]
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> Running build hook: [udev]
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> Running build hook: [autodetect]
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> WARNING: Hook 'pata' is deprecated. Replace it with 'block' in your config
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> Running build hook: [block]
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> WARNING: Hook 'scsi' is deprecated. Replace it with 'block' in your config
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> Running build hook: [block]
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> WARNING: Hook 'sata' is deprecated. Replace it with 'block' in your config
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> Running build hook: [block]
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> WARNING: Hook 'usbinput' is deprecated. Replace it with 'keyboard' in your config
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> Running build hook: [keyboard]
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> Running build hook: [filesystems]
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> Running build hook: [fglrx]
    [2013-08-03 13:40] [ALPM-SCRIPTLET] Building fglrx module for 3.10.3-1-ARCH kernel ...
    [2013-08-03 13:40] [ALPM-SCRIPTLET] Failed!!! Check out log: /var/log/catalyst-install.log
    [2013-08-03 13:40] [ALPM-SCRIPTLET] - /usr/lib/modules/3.9.9-1-ARCH looks like unused, maybe remove it manualy?
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> Generating module dependencies
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> Creating gzip initcpio image: /boot/initramfs-linux.img
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> Image generation successful
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> Building image from preset: /etc/mkinitcpio.d/linux.preset: 'fallback'
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> -k /boot/vmlinuz-linux -c /etc/mkinitcpio.conf -g /boot/initramfs-linux-fallback.img -S autodetect
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> Starting build: 3.10.3-1-ARCH
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> Running build hook: [base]
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> Running build hook: [udev]
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> WARNING: Hook 'pata' is deprecated. Replace it with 'block' in your config
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> Running build hook: [block]
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> WARNING: Possibly missing firmware for module: bfa
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> WARNING: Possibly missing firmware for module: aic94xx
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> WARNING: Possibly missing firmware for module: smsmdtv
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> WARNING: Hook 'scsi' is deprecated. Replace it with 'block' in your config
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> Running build hook: [block]
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> WARNING: Hook 'sata' is deprecated. Replace it with 'block' in your config
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> Running build hook: [block]
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> WARNING: Hook 'usbinput' is deprecated. Replace it with 'keyboard' in your config
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> Running build hook: [keyboard]
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> Running build hook: [filesystems]
    [2013-08-03 13:40] [ALPM-SCRIPTLET] -> Running build hook: [fglrx]
    [2013-08-03 13:40] [ALPM-SCRIPTLET] Building fglrx module for 3.10.3-1-ARCH kernel ...
    [2013-08-03 13:40] [ALPM-SCRIPTLET] Failed!!! Check out log: /var/log/catalyst-install.log
    [2013-08-03 13:40] [ALPM-SCRIPTLET] - /usr/lib/modules/3.9.9-1-ARCH looks like unused, maybe remove it manualy?
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> Generating module dependencies
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> Creating gzip initcpio image: /boot/initramfs-linux-fallback.img
    [2013-08-03 13:40] [ALPM-SCRIPTLET] ==> Image generation successful
    [2013-08-03 13:40] [PACMAN] upgraded linux (3.9.9-1 -> 3.10.3-1)
    [2013-08-03 13:40] [PACMAN] upgraded linux-docs (3.9.9-1 -> 3.10.3-1)
    [2013-08-03 13:40] [PACMAN] upgraded linux-headers (3.9.9-1 -> 3.10.3-1)
    [2013-08-03 13:40] [PACMAN] upgraded lirc-utils (1:0.9.0-49 -> 1:0.9.0-52)
    [2013-08-03 13:40] [PACMAN] upgraded mediastreamer (2.9.0-1 -> 2.9.0-3)
    [2013-08-03 13:41] [PACMAN] upgraded meld (1.7.3-1 -> 1.7.4-1)
    [2013-08-03 13:41] [PACMAN] upgraded mencoder (36285-1 -> 36285-3)
    [2013-08-03 13:41] [PACMAN] upgraded mercurial (2.6.3-1 -> 2.7-1)
    [2013-08-03 13:41] [PACMAN] upgraded mplayer (36285-1 -> 36285-3)
    [2013-08-03 13:41] [PACMAN] upgraded nepomuk-core (4.10.5-1 -> 4.10.5-2)
    [2013-08-03 13:41] [PACMAN] upgraded netctl (1.1-1 -> 1.2-1)
    [2013-08-03 13:41] [PACMAN] upgraded nfs-utils (1.2.8-8 -> 1.2.8-9)
    [2013-08-03 13:41] [PACMAN] upgraded pcsx2 (1.0.0-5 -> 1.0.0-6)
    [2013-08-03 13:41] [PACMAN] upgraded rosegarden (13.04-1 -> 13.06-1)
    [2013-08-03 13:41] [PACMAN] upgraded soundkonverter (2.0.3-1 -> 2.0.4-1)
    [2013-08-03 13:41] [PACMAN] upgraded subversion (1.8.0-1 -> 1.8.1-1)
    [2013-08-03 13:41] [PACMAN] upgraded syslinux (4.06-2 -> 4.07-1)
    [2013-08-03 13:41] [PACMAN] upgraded telepathy-glib (0.20.2-1 -> 0.20.4-1)
    [2013-08-03 13:41] [ALPM-SCRIPTLET] >>> texlive: updating the filename database...
    [2013-08-03 13:41] [ALPM-SCRIPTLET] warning: kpathsea: configuration file texmf.cnf not found in these directories: /usr/bin:/usr/bin/share/texmf-local/web2c:/usr/bin/share/texmf-dist/web2c:/usr/bin/share/texmf/web2c:/usr/bin/texmf-local/web2c:/usr/bin/texmf-dist/web2c:/usr/bin/texmf/web2c:/usr:/usr/share/texmf-local/web2c:/usr/share/texmf-dist/web2c:/usr/share/texmf/web2c:/usr/texmf-local/web2c:/usr/texmf-dist/web2c:/usr/texmf/web2c://../texmf-local/web2c:/://share/texmf-local/web2c://share/texmf-dist/web2c://share/texmf/web2c://texmf-local/web2c://texmf-dist/web2c://texmf/web2c.
    [2013-08-03 13:41] [ALPM-SCRIPTLET] mktexlsr: Done.
    [2013-08-03 13:41] [ALPM-SCRIPTLET] recreating all formats...warning: kpathsea: configuration file texmf.cnf not found in these directories: /usr/bin:/usr/bin/share/texmf-local/web2c:/usr/bin/share/texmf-dist/web2c:/usr/bin/share/texmf/web2c:/usr/bin/texmf-local/web2c:/usr/bin/texmf-dist/web2c:/usr/bin/texmf/web2c:/usr:/usr/share/texmf-local/web2c:/usr/share/texmf-dist/web2c:/usr/share/texmf/web2c:/usr/texmf-local/web2c:/usr/texmf-dist/web2c:/usr/texmf/web2c://../texmf-local/web2c:/://share/texmf-local/web2c://share/texmf-dist/web2c://share/texmf/web2c://texmf-local/web2c://texmf-dist/web2c://texmf/web2c.
    [2013-08-03 13:41] [ALPM-SCRIPTLET] warning: kpathsea: configuration file texmf.cnf not found in these directories: /usr/bin:/usr/bin/share/texmf-local/web2c:/usr/bin/share/texmf-dist/web2c:/usr/bin/share/texmf/web2c:/usr/bin/texmf-local/web2c:/usr/bin/texmf-dist/web2c:/usr/bin/texmf/web2c:/usr:/usr/share/texmf-local/web2c:/usr/share/texmf-dist/web2c:/usr/share/texmf/web2c:/usr/texmf-local/web2c:/usr/texmf-dist/web2c:/usr/texmf/web2c://../texmf-local/web2c:/://share/texmf-local/web2c://share/texmf-dist/web2c://share/texmf/web2c://texmf-local/web2c://texmf-dist/web2c://texmf/web2c.
    [2013-08-03 13:41] [ALPM-SCRIPTLET] warning: kpathsea: configuration file texmf.cnf not found in these directories: /usr/bin:/usr/bin/share/texmf-local/web2c:/usr/bin/share/texmf-dist/web2c:/usr/bin/share/texmf/web2c:/usr/bin/texmf-local/web2c:/usr/bin/texmf-dist/web2c:/usr/bin/texmf/web2c:/usr:/usr/share/texmf-local/web2c:/usr/share/texmf-dist/web2c:/usr/share/texmf/web2c:/usr/texmf-local/web2c:/usr/texmf-dist/web2c:/usr/texmf/web2c://../texmf-local/web2c:/://share/texmf-local/web2c://share/texmf-dist/web2c://share/texmf/web2c://texmf-local/web2c://texmf-dist/web2c://texmf/web2c.
    [2013-08-03 13:41] [ALPM-SCRIPTLET] /usr/bin/fmtutil: line 395: /texconfig/tcfmgr: No such file or directory
    [2013-08-03 13:41] [ALPM-SCRIPTLET] fmtutil: config file `fmtutil.cnf' not found.
    [2013-08-03 13:41] [ALPM-SCRIPTLET] done.
    [2013-08-03 13:41] [ALPM-SCRIPTLET] (logs are under /var/lib/texmf/web2c/<engine>/<formatname>.log)
    [2013-08-03 13:41] [PACMAN] upgraded texlive-bin (2012.0-13 -> 2013.30973-2)
    [2013-08-03 13:41] [ALPM] warning: /etc/texmf/tex/generic/config/language.dat installed as /etc/texmf/tex/generic/config/language.dat.pacnew
    [2013-08-03 13:41] [ALPM] warning: /etc/texmf/tex/generic/config/language.def installed as /etc/texmf/tex/generic/config/language.def.pacnew
    [2013-08-03 13:41] [ALPM] warning: /etc/texmf/dvipdfmx/dvipdfmx.cfg installed as /etc/texmf/dvipdfmx/dvipdfmx.cfg.pacnew
    [2013-08-03 13:41] [ALPM] warning: /etc/texmf/chktex/chktexrc installed as /etc/texmf/chktex/chktexrc.pacnew
    [2013-08-03 13:41] [ALPM] warning: /etc/texmf/web2c/fmtutil.cnf installed as /etc/texmf/web2c/fmtutil.cnf.pacnew
    [2013-08-03 13:41] [ALPM] warning: /etc/texmf/web2c/texmf.cnf installed as /etc/texmf/web2c/texmf.cnf.pacnew
    [2013-08-03 13:41] [ALPM-SCRIPTLET] >>> texlive: saving updmap.cfg as /tmp/tmp.4WfV4vnjxi...
    [2013-08-03 13:41] [ALPM-SCRIPTLET] >>> texlive: regenerating updmap.cfg (custom additions should go
    [2013-08-03 13:41] [ALPM-SCRIPTLET] into /etc/texmf/web2c/updmap-local.cfg
    [2013-08-03 13:41] [ALPM-SCRIPTLET] >>> texlive: updating the filename database...
    [2013-08-03 13:41] [ALPM-SCRIPTLET] mktexlsr: Updating /etc/texmf/ls-R...
    [2013-08-03 13:41] [ALPM-SCRIPTLET] mktexlsr: Updating /usr/share/texmf/ls-R...
    [2013-08-03 13:41] [ALPM-SCRIPTLET] mktexlsr: Updating /usr/share/texmf-dist/ls-R...
    [2013-08-03 13:41] [ALPM-SCRIPTLET] mktexlsr: Updating /var/lib/texmf/ls-R...
    [2013-08-03 13:41] [ALPM-SCRIPTLET] mktexlsr: Done.
    [2013-08-03 13:41] [ALPM-SCRIPTLET] >>> texlive: updating the fontmap files with updmap...
    [2013-08-03 13:41] [ALPM-SCRIPTLET] updmap: resetting $HOME value (was /home/redac) to root's actual home (/root).
    [2013-08-03 13:41] [ALPM-SCRIPTLET] done.
    [2013-08-03 13:41] [ALPM-SCRIPTLET] >>> texlive: recreating all formats...
    [2013-08-03 13:41] [ALPM-SCRIPTLET] /usr/bin/fmtutil: line 395: /usr/share/texmf/texconfig/tcfmgr: No such file or directory
    [2013-08-03 13:41] [ALPM-SCRIPTLET] fmtutil: config file `fmtutil.cnf' not found.
    [2013-08-03 13:41] [ALPM-SCRIPTLET] done.
    [2013-08-03 13:41] [ALPM-SCRIPTLET] (logs are under /var/lib/texmf/web2c/<engine>/<formatname>.log)
    [2013-08-03 13:41] [ALPM-SCRIPTLET] NB: To setup ConTeXt and the lua(la)tex font db,
    [2013-08-03 13:41] [ALPM-SCRIPTLET] see http://wiki.archlinux.org/index.php/TeX_Live
    [2013-08-03 13:41] [PACMAN] upgraded texlive-core (2012.29661-1 -> 2013.30962-2)
    [2013-08-03 13:41] [PACMAN] upgraded transcode (1.1.7-9 -> 1.1.7-10)
    [2013-08-03 13:41] [PACMAN] upgraded twisted (13.0.0-1 -> 13.1.0-1)
    [2013-08-03 13:41] [PACMAN] upgraded videoproto (2.3.1-2 -> 2.3.2-1)
    [2013-08-03 13:41] [PACMAN] upgraded virtuoso-base (6.1.6-2 -> 6.1.7-1)
    [2013-08-03 13:41] [PACMAN] upgraded virtuoso (6.1.6-2 -> 6.1.7-1)
    [2013-08-03 13:41] [PACMAN] installed ffmpeg-compat (1:0.10.8-4)
    [2013-08-03 13:42] [PACMAN] upgraded vlc (2.0.7-2 -> 2.0.8.a-1)
    [2013-08-03 13:42] [PACMAN] upgraded webkitgtk (2.0.3-1 -> 2.0.4-1)
    [2013-08-03 13:42] [PACMAN] upgraded wine (1.6rc5-1 -> 1.7.0-1)
    [2013-08-03 13:42] [PACMAN] upgraded xorg-iceauth (1.0.5-1 -> 1.0.6-1)
    [2013-08-03 13:42] [PACMAN] upgraded youtube-dl (2013.07.17.1-1 -> 2013.07.25.2-1)

    Okay, so it turns out that this was caused by the Catalyst bug described in this post. Reverting to the 13.6 version solved the problem. Lesson learned: if there's a ton of memory being used that isn't owned by a running process, start looking for bug reports involving drivers. Especially drivers known for being, well, pretty bad. Was there any method I could have used that would have told me that Catalyst was using all my ram, or is kernel-space memory usage pretty much a black box?
    Last edited by Chaotechnician (2013-08-08 00:10:43)

  • HOWTO: Control Printer Attributes for a Report at Run Time Reports 6i

    HOWTO: Control Printer Attributes for a Report at Run Time
    Like page width , height etc
    my problem is i had installed a printer and it is set for
    printing different reports ( like invoice slips , legal size ,
    A3 etc ) each time i have to manually set the page settup from
    printer folder .instead if there is an option to set the printer
    attributes from Reports 6i it is great
    rajesh

    All the Printer Setup(Page Height and Page Width) must be set in
    the Reprot Program. These can be set at the Layout-Main Section
    in the Object Navigator.
    hth

  • XML parser memory usage

    I try to proove the advantage of SAX (and StAX) parser, i.e. the memory usage over time is very low and quite constant over time while parsing a large XML file.
    DOM APIs create a DOM that is stored in the memory and therefore the memory usage is at least the filesize.
    To analyse the SAX heap usage over time I used the following source:
    import java.io.File;
    import java.io.FileInputStream;
    import java.io.InputStream;
    import org.xml.sax.InputSource;
    import org.xml.sax.XMLReader;
    import org.xml.sax.helpers.XMLReaderFactory;
    public class ParserMemTest {
        public static void main(String[] args) {
            System.out.println("Start");
            try {
                InputStream xmlIS = new FileInputStream(
                        new File("xmlTestFile-0.xml") );
                HeapAnalyser ha = new HeapAnalyser(xmlIS);
                InputSource insource = new InputSource(ha);
                XMLReader SAX2parser = XMLReaderFactory.createXMLReader();
                //SAX2EventHandler handler = new SAX2EventHandler();
                //SAX2parser.setContentHandler(handler);
                SAX2parser.parse(insource);
            } catch (Exception e) {
            System.out.println("Finished.");
    }and the HeapAnalyser class:
    import java.io.IOException;
    import java.io.InputStream;
    public class HeapAnalyser extends InputStream {
        private InputStream is = null;
        private int byteCounter = 0;
        private int lastByteCounter = 0;
        private int byteStepLogging = 200000; //bytes between logging times of measurement
        public HeapAnalyser(InputStream is) {
            this.is = is;
        @Override
        public int read() throws IOException {
            int b = is.read();
            if(b!=-1) {
                byteCounter++;
            return b;
        @Override
        public int read(byte b[]) throws IOException {
            int i = is.read(b);
            if(i!=-1) {
                byteCounter += i;
            //LOG
            if ((byteCounter-lastByteCounter)>byteStepLogging) {
                lastByteCounter = byteCounter;
                System.out.println(byteCounter + ": " + getHeapSize() + " bytes.");
            return i;
        @Override
        public int read(byte b[], int off, int len) throws IOException {
            int i = is.read(b, off, len);
            if (i!=-1) {
                byteCounter += i;
            //LOG
            if ((byteCounter-lastByteCounter)>byteStepLogging) {
                lastByteCounter = byteCounter;
                System.out.println(byteCounter + ": " + getHeapSize() + " bytes.");
            return i;
        public static String getHeapSize(){
            Runtime.getRuntime().gc();
            return Long.toString((Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory())/1000);
    }and these are the results:
    Start
    204728: 1013 bytes.
    409415: 1713 bytes.
    614073: 2400 bytes.
    818763: 3085 bytes.
    1023449: 3772 bytes.
    1228130: 4458 bytes.
    1432802: 5145 bytes.
    1637473: 5832 bytes.
    1842118: 6519 bytes.
    2046789: 7206 bytes.
    2251470: 7894 bytes.
    2456134: 8580 bytes.
    2660814: 9268 bytes.
    2865496: 9955 bytes.
    3070177: 10625 bytes.
    3274775: 11287 bytes.
    3479418: 11950 bytes.
    3684031: 12612 bytes.
    3888695: 13275 bytes.
    4093364: 13937 bytes.
    4298027: 14600 bytes.
    4502694: 15262 bytes.
    4707372: 15925 bytes.
    4912040: 16586 bytes.
    5116662: 17249 bytes.
    5321331: 17912 bytes.
    5525975: 18574 bytes.
    5730640: 19237 bytes.
    5935308: 19898 bytes.
    Finished.
    As you can see while parsing the XML file (200k elements, about 6MB) the heap memory raises. I would expect this result when a DOM API is analysed, but not with SAX .
    What could be the reason? The Runtime class measurement, the SAX implementation or what?
    thanks!

    http://img214.imageshack.us/img214/7277/jprobeparser.jpg
    Test with jProbe while parsing the 64MB XML file.
    Testsystem: Windows 7 64bit, java version "1.6.0_20" Java(TM) SE Runtime Environment (build 1.6.0_20-b02), Java HotSpot(TM) 64-Bit Server VM (build 16.3-b01, mixed mode), Xerces 2.10.0
    Eclipse Console System output:
    25818828: 116752 bytes.
    26018980: 117948 bytes.
    26219154: 99503 bytes.
    26419322: 100852 bytes.
    26619463: 102275 bytes.
    26819642: 103624 bytes.
    27019805: 104974 bytes.
    27220008: 105649 bytes.
    27420115: 106998 bytes.
    27620234: 108348 bytes.
    27820330: 109697 bytes.
    Exception in thread "main" java.lang.OutOfMemoryError: PermGen space
    at java.lang.String.intern(Native Method)
    at org.apache.xerces.util.SymbolTable$Entry.<init>(Unknown Source)
    at org.apache.xerces.util.SymbolTable.addSymbol(Unknown Source)
    at org.apache.xerces.impl.XMLEntityScanner.scanQName(Unknown Source)
    at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
    at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
    at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
    at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
    at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
    at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
    at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
    at ParserMemTest.main(ParserMemTest.java:47)<img src="file:///C:/Users/*******/AppData/Local/Temp/moz-screenshot.png" alt="" />
    Edited by: SUNMrFlipp on Sep 13, 2010 11:48 AM
    Edited by: SUNMrFlipp on Sep 13, 2010 11:50 AM

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