| #!/bin/sh |
| |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| export PATH=$PATH:/sbin |
| |
| # sudo sysctl -w vm.extra_free_kbytes=2000000 |
| # sudo sysctl -w vm.min_free_kbytes=1000000 |
| sudo sysctl -w vm.overcommit_memory=1 |
| sudo sysctl -w vm.drop_caches=1 |
| sudo sysctl -w vm.zone_reclaim_mode=0 |
| sudo sysctl -w vm.max_map_count=655360 |
| sudo sysctl -w vm.dirty_background_ratio=50 |
| sudo sysctl -w vm.dirty_ratio=50 |
| sudo sysctl -w vm.dirty_writeback_centisecs=360000 |
| sudo sysctl -w vm.page-cluster=3 |
| sudo sysctl -w vm.swappiness=1 |
| |
| echo 'ulimit -n 655350' >> /etc/profile |
| echo '* hard nofile 655350' >> /etc/security/limits.conf |
| |
| echo '* hard memlock unlimited' >> /etc/security/limits.conf |
| echo '* soft memlock unlimited' >> /etc/security/limits.conf |
| |
| DISK=`df -k | sort -n -r -k 2 | awk -F/ 'NR==1 {gsub(/[0-9].*/,"",$3); print $3}'` |
| [ "$DISK" = 'cciss' ] && DISK='cciss!c0d0' |
| echo 'deadline' > /sys/block/${DISK}/queue/scheduler |
| |
| |
| echo "---------------------------------------------------------------" |
| sysctl vm.extra_free_kbytes |
| sysctl vm.min_free_kbytes |
| sysctl vm.overcommit_memory |
| sysctl vm.drop_caches |
| sysctl vm.zone_reclaim_mode |
| sysctl vm.max_map_count |
| sysctl vm.dirty_background_ratio |
| sysctl vm.dirty_ratio |
| sysctl vm.dirty_writeback_centisecs |
| sysctl vm.page-cluster |
| sysctl vm.swappiness |
| |
| su - admin -c 'ulimit -n' |
| cat /sys/block/$DISK/queue/scheduler |
| |
| if [ -d ${HOME}/tmpfs ] ; then |
| echo "tmpfs exist, do nothing." |
| else |
| ln -s /dev/shm ${HOME}/tmpfs |
| echo "create tmpfs ok" |
| fi |