diff options
author | nachoparker <nacho@ownyourbits.com> | 2018-03-05 16:14:19 +0300 |
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committer | nachoparker <nacho@ownyourbits.com> | 2018-03-07 16:14:41 +0300 |
commit | 7a3976b0fdfc0a142d0af854e9e9a654898aee1e (patch) | |
tree | e1ceef2e736d90a04bbf8d240ee9fc91bf872e04 /etc/nextcloudpi-config.d | |
parent | 1c23fa7bc1c6506d0a3f86657f9b2c9803979f03 (diff) |
added nc-zramv0.47.0
Diffstat (limited to 'etc/nextcloudpi-config.d')
-rw-r--r-- | etc/nextcloudpi-config.d/nc-swapfile.sh | 2 | ||||
-rw-r--r-- | etc/nextcloudpi-config.d/nc-zram.sh | 101 |
2 files changed, 102 insertions, 1 deletions
diff --git a/etc/nextcloudpi-config.d/nc-swapfile.sh b/etc/nextcloudpi-config.d/nc-swapfile.sh index 3f2c1670..4dfd2212 100644 --- a/etc/nextcloudpi-config.d/nc-swapfile.sh +++ b/etc/nextcloudpi-config.d/nc-swapfile.sh @@ -33,7 +33,7 @@ configure() [[ -d "$DSTDIR" ]] || { echo "$DSTDIR Doesn't exist. Abort"; return 1; } [[ "$( stat -fc%T "$DSTDIR" )" == "btrfs" ]] && { - echo "BTRFS doesn't support swapfiles" + echo "BTRFS doesn't support swapfiles. You can still use nc-zram" return 1 } diff --git a/etc/nextcloudpi-config.d/nc-zram.sh b/etc/nextcloudpi-config.d/nc-zram.sh new file mode 100644 index 00000000..4644ff8d --- /dev/null +++ b/etc/nextcloudpi-config.d/nc-zram.sh @@ -0,0 +1,101 @@ +#!/bin/bash + +# NextCloudPi ZRAM settings +# +# Copyleft 2017 by Ignacio Nunez Hernanz <nacho _a_t_ ownyourbits _d_o_t_ com> +# GPL licensed (see end of file) * Use at your own risk! +# +# Usage: +# +# ./installer.sh nc-zram.sh <IP> (<img>) +# +# See installer.sh instructions for details +# +# More at https://ownyourbits.com/2017/02/13/nextcloud-ready-raspberry-pi-image/ +# + +ACTIVE_=no +DESCRIPTION="Enable compressed RAM to improve swap performance" + +install() +{ + cat > /etc/systemd/system/zram.service <<EOF +[Unit] +Description=Set up ZRAM + +[Service] +Type=oneshot +ExecStart=/usr/local/bin/ncp-zram start +ExecStop=/usr/local/bin/ncp-zram stop +RemainAfterExit=yes + +[Install] +WantedBy=sysinit.target +EOF + +cat > /usr/local/bin/ncp-zram <<'EOF' +#!/bin/bash +# inspired by https://github.com/novaspirit/rpi_zram/blob/master/zram.sh + +case "$1" in + start) + CORES=$(nproc --all) + modprobe zram num_devices=$CORES || exit 1 + + swapoff -a + + TOTALMEM=`free | grep -e "^Mem:" | awk '{print $2}'` + MEM=$(( ($TOTALMEM / $CORES)* 1024 )) + + core=0 + while [ $core -lt $CORES ]; do + echo $MEM > /sys/block/zram$core/disksize + mkswap /dev/zram$core + swapon -p 5 /dev/zram$core + let core=core+1 + done + ;; + + stop) + swapoff -a + rmmod zram + ;; + *) + echo "Usage: $0 {start|stop}" >&2 + exit 1 + ;; +esac +EOF +chmod +x /usr/local/bin/ncp-zram +} + +configure() +{ + [[ $ACTIVE_ != "yes" ]] && { + systemctl stop zram + systemctl disable zram + echo "ZRAM disabled" + return 0 + } + systemctl start zram + systemctl enable zram + echo "ZRAM enabled" +} + +# License +# +# This script is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This script is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this script; if not, write to the +# Free Software Foundation, Inc., 59 Temple Place, Suite 330, +# Boston, MA 02111-1307 USA + |