RocketMQ 脚本调优

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#!/bin/sh

 

#

# Execute Only Once

#

 

echo 'vm.overcommit_memory=1' >> /etc/sysctl.conf

echo 'vm.min_free_kbytes=5000000' >> /etc/sysctl.conf

echo 'vm.drop_caches=1' >> /etc/sysctl.conf

echo 'vm.zone_reclaim_mode=0' >> /etc/sysctl.conf

echo 'vm.max_map_count=655360' >> /etc/sysctl.conf

echo 'vm.dirty_background_ratio=50' >> /etc/sysctl.conf

echo 'vm.dirty_ratio=50' >> /etc/sysctl.conf

echo 'vm.page-cluster=3' >> /etc/sysctl.conf

echo 'vm.dirty_writeback_centisecs=360000' >> /etc/sysctl.conf

echo 'vm.swappiness=10' >> /etc/sysctl.conf

sysctl -p

 

echo 'ulimit -n 655350' >> /etc/profile

echo 'admin hard nofile 655350' >> /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.overcommit_memory

sysctl vm.min_free_kbytes

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.page-cluster

sysctl vm.dirty_writeback_centisecs

sysctl vm.swappiness

 

su - admin -c 'ulimit -n'

cat /sys/block/ $DISK/queue/scheduler