本文主要是介绍【MySQL】MySQL 5.7通过jemalloc管理内存,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
[root@wallet01 ~]# wget https://github.com/jemalloc/jemalloc/releases/download/5.2.1/jemalloc-5.2.1.tar.bz2
[root@wallet01 ~]# tar -jxvf jemalloc-5.2.1.tar.bz2
[root@wallet01 ~]# cd jemalloc-5.2.1
[root@wallet01 jemalloc-5.2.1]# ./configure
[root@wallet01 jemalloc-5.2.1]# make
[root@wallet01 jemalloc-5.2.1]# make install
[root@wallet01 ~]# cat /usr/lib/systemd/system/mysqld.service
# Use this to switch malloc implementation
EnvironmentFile=-/etc/sysconfig/mysql
[root@wallet01 ~]# echo 'LD_PRELOAD=/usr/local/lib/libjemalloc.so' > /etc/sysconfig/mysql
[root@wallet01 ~]# systemctl restart mysqld
[root@wallet01 ~]# lsof -n | grep jemalloc
mysqld 6272 mysql mem REG 253,0 4397600 273167915 /usr/local/lib/libjemalloc.so.2
mysqld 6272 6273 mysql mem REG 253,0 4397600 273167915 /usr/local/lib/libjemalloc.so.2
mysqld 6272 6274 mysql mem REG 253,0 4397600 273167915 /usr/local/lib/libjemalloc.so.2
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