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