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系统：CentOS 7.2 x64
数据库：MariaDB-10.0.30
使用 jemalloc 对 MySQL 内存进行优化。
附件可以到 Linux 公社资源站下载：
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免费下载地址在 http://linux.linuxidc.com/
用户名与密码都是 www.linuxidc.com
具体下载目录在 /2017 年资料 /10 月 / 8 日 /CentOS 7.2 编译安装 MariaDB-10.0.xx/
下载方法见 http://www.linuxidc.com/Linux/2013-07/87684.htm
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安装 jemalloc
[root@mysql src]# tar xf jemalloc-4.2.0.tar.bz2
[root@mysql src]# cd jemalloc-4.2.0
[root@mysql jemalloc-4.2.0]# ./configure –prefix=/usr/local/jemalloc
[root@mysql jemalloc-4.2.0]# make && make install
[root@mysql jemalloc-4.2.0]# echo ‘/usr/local/jemalloc/lib/’ > /etc/ld.so.conf.d/local.conf
[root@mysql jemalloc-4.2.0]# ldconfig
[root@mysql jemalloc-4.2.0]# ln -vs /usr/local/jemalloc/lib/libjemalloc.so.2 /usr/local/lib/libjemalloc.so
安装 mariadb
[root@mysql src]# tar xf mariadb-10.0.30.tar.gz
[root@mysql src]# cd mariadb-10.0.30
[root@mysql mariadb-10.0.30]# yum install cmake openssl-devel zlib-devel ncurses-devel -y
[root@mysql mariadb-10.0.30]# mkdir -pv /data/mysql/{data,bin_log,run,log,tmp}
[root@mysql mariadb-10.0.30]# groupadd -g 3306 mysql
[root@mysql mariadb-10.0.30]# useradd -u 3306 -g 3306 -s /sbin/nologin -M mysql
[root@mysql mariadb-10.0.30]# cmake . -LH
[root@mysql mariadb-10.0.30]# cmake . \
-DCMAKE_INSTALL_PREFIX=/usr/local/mysql \
-DMYSQL_DATADIR=/data/mysql/data \
-DTMPDIR=/usr/local/mysql/tmp \
-DMYSQL_UNIX_ADDR=/data/mysql/run/mysqld.sock \
-DSYSCONFDIR=/etc \
-DWITH_MYISAM_STORAGE_ENGINE=1 \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_ARCHIVE_STORAGE_ENGINE=1 \
-DWITH_BLACKHOLE_STORAGE_ENGINE=1 \
-DWITH_PERFSCHEMA_STORAGE_ENGINE=1 \
-DWITH_FEDERATED_STORAGE_ENGINE=1 \
-DWITH_TOKUDB_STORAGE_ENGINE=1 \
-DWITH_XTRADB_STORAGE_ENGINE=1 \
-DWITH_ARIA_STORAGE_ENGINE=1 \
-DWITH_PARTITION_STORAGE_ENGINE=1 \
-DWITH_SPHINX_STORAGE_ENGINE=1 \
-DWITH_READLINE=1 \
-DMYSQL_TCP_PORT=3306 \
-DENABLED_LOCAL_INFILE=1 \
-DWITH_EXTRA_CHARSETS=all \
-DEXTRA_CHARSETS=all \
-DDEFAULT_CHARSET=utf8 \
-DDEFAULT_COLLATION=utf8_general_ci \
-DCMAKE_EXE_LINKER_FLAGS=’-ljemalloc’ \
-DWITH_SAFEMALLOC=OFF \
-DWITH_DEBUG=0 \
-DENABLE_PROFILING=1 \
-DWITH_SSL=system \
-DWITH_ZLIB=system \
-DWITH_LIBWRAP=0
[root@linuxidc mariadb-10.0.30]# make && make install
说明：
-DCMAKE_INSTALL_PREFIX=/usr/local/mysql \ # 安装根目录
-DMYSQL_DATADIR=/data/mysql/data \ # 数据存储目录
-DTMPDIR=/data/mysql/tmp \ # 临时文件存放目录
-DMYSQL_UNIX_ADDR=/data/mysql/run/mysqld.sock \ # UNIX socket 文件
-DSYSCONFDIR=/etc \ # 配置文件存放目录
-DWITH_MYISAM_STORAGE_ENGINE=1 \ # Myisam 引擎支持
-DWITH_INNOBASE_STORAGE_ENGINE=1 \ # innoDB 引擎支持
-DWITH_ARCHIVE_STORAGE_ENGINE=1 \ # ARCHIVE 引擎支持
-DWITH_BLACKHOLE_STORAGE_ENGINE=1 \ # BLACKHOLE 引擎支持
-DWITH_PERFSCHEMA_STORAGE_ENGINE=1 \ # PERFSCHEMA 引擎支持
-DWITH_FEDERATED_STORAGE_ENGINE=1 \ # FEDERATEDX 引擎支持
-DWITH_TOKUDB_STORAGE_ENGINE=1 \ # TOKUDB 引擎支持
-DWITH_XTRADB_STORAGE_ENGINE=1 \ # XTRADB 引擎支持
-DWITH_ARIA_STORAGE_ENGINE=1 \ # ARIA 引擎支持
-DWITH_PARTITION_STORAGE_ENGINE=1 \ # PARTITION 引擎支持
-DWITH_SPHINX_STORAGE_ENGINE=1 \ # SPHINX 引擎支持
-DWITH_READLINE=1 \ # readline 库
-DMYSQL_TCP_PORT=3306 \ # TCP/IP 端口
-DENABLED_LOCAL_INFILE=1 \ # 启用加载本地数据
-DWITH_EXTRA_CHARSETS=all \ # 扩展支持编码 (all | utf8,gbk,gb2312 | none)
-DEXTRA_CHARSETS=all \ # 扩展字符支持
-DDEFAULT_CHARSET=utf8 \ # 默认字符集
-DDEFAULT_COLLATION=utf8_general_ci \ # 默认字符校对
-DCMAKE_EXE_LINKER_FLAGS=’-ljemalloc’ \ # Jemalloc 内存管理库
-DWITH_SAFEMALLOC=OFF \ # 关闭默认内存管理
-DWITH_DEBUG=0 \ # 关闭调试模式
-DENABLE_PROFILING=1 \ # 启用性能分析功能
-DWITH_SSL=system \ # 使用系统上的自带的 SSL 库
-DWITH_ZLIB=system \ # 使用系统上的自带的 zlib 库
-DWITH_LIBWRAP=0 # 禁用 libwrap 库
半个小时的等待。。。
[root@linuxidc mariadb-10.0.30]# cd /usr/local/mysql/
[root@linuxidc mysql]# rpm -qf /etc/my.cnf
[root@linuxidc mysql]# rpm -e –nodeps mariadb-libs
[root@linuxidc mysql]# grep -v ^# /etc/my.cnf | grep -v ^$
[client]
port = 3306
socket = /data/mysql/run/mysqld.sock
[mysqld]
port = 3306
socket = /data/mysql/run/mysqld.sock
datadir = /data/mysql/data/ # 新增数据存储目录
back_log = 50
max_connections = 100
max_connect_errors = 10
table_open_cache = 2048
max_allowed_packet = 16M
binlog_cache_size = 1M
max_heap_table_size = 64M
read_buffer_size = 2M
read_rnd_buffer_size = 16M
sort_buffer_size = 8M
join_buffer_size = 8M
thread_cache_size = 8
thread_concurrency = 8
query_cache_size = 64M
query_cache_limit = 2M
ft_min_word_len = 4
default-storage-engine = INNODB # 修改存储引擎为 INNODB
thread_stack = 240K
transaction_isolation = REPEATABLE-READ
tmp_table_size = 64M
log-bin=mysql-bin
binlog_format=mixed
slow_query_log
long_query_time = 2
server-id = 1
key_buffer_size = 32M
bulk_insert_buffer_size = 64M
myisam_sort_buffer_size = 128M
myisam_max_sort_file_size = 10G
myisam_repair_threads = 1
myisam_recover
innodb_additional_mem_pool_size = 16M
innodb_buffer_pool_size = 2G
innodb_data_file_path = ibdata1:10M:autoextend
innodb_write_io_threads = 8
innodb_read_io_threads = 8
innodb_thread_concurrency = 16
innodb_flush_log_at_trx_commit = 1
innodb_log_buffer_size = 8M
innodb_log_file_size = 256M
innodb_log_files_in_group = 3
innodb_max_dirty_pages_pct = 90
innodb_lock_wait_timeout = 120
[mysqldump]
quick
max_allowed_packet = 16M
[mysql]
no-auto-rehash
[myisamchk]
key_buffer_size = 512M
sort_buffer_size = 512M
read_buffer = 8M
write_buffer = 8M
[mysqlhotcopy]
interactive-timeout
[mysqld_safe]
open-files-limit = 8192
log-error = /data/mysql/log/mariadb.log # 指定 log-file 目录
pid-file = /data/mysql/run/mysqld.pid # 指定 pid 目录
其他参数请自行调整。
[root@linuxidc mysql]# cp -a support-files/mysql.server /etc/init.d/mysqld
[root@linuxidc mysql]# chmod +x /etc/init.d/mysqld
[root@linuxidc mysql]# ./scripts/mysql_install_db –user=mysql –datadir=/data/mysql/data/
[root@linuxidc mysql]# service mysqld start
Starting MySQL.170401 09:59:20 mysqld_safe Logging to ‘/data/mysql/log/mariadb.log’.
170401 09:59:20 mysqld_safe Starting mysqld daemon with databases from /data/mysql/data/
SUCCESS!
[root@linuxidc mysql]# ss -ntlp | grep mysqld
LISTEN 0 50 *:3306 *:* users:((“mysqld”,pid=46517,fd=24))
OK, 启动成功。
[root@linuxidc mysql]# cd bin/
[root@linuxidc bin]# pwd
/usr/local/mysql/bin
[root@linuxidc bin]# echo ‘export PATH=$PATH:/usr/local/mysql/bin’ > /etc/profile.d/mysql.sh
[root@linuxidc bin]# source /etc/profile.d/mysql.sh
[root@linuxidc bin]# mysql
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 4
Server version: 10.0.30-MariaDB Source distribution
Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others.
Type ‘help;’ or ‘\h’ for help. Type ‘\c’ to clear the current input statement.
MariaDB [(none)]>
查看 jemalloc 是否生效：
[root@linuxidc bin]# yum install lsof -y
[root@linuxidc bin]# lsof -n | grep jemalloc
mysqld 46517 mysql mem REG 253,0 2528895 102127721 /usr/local/jemalloc/lib/libjemalloc.so.2
mysqld 46517 46519 mysql mem REG 253,0 2528895 102127721 /usr/local/jemalloc/lib/libjemalloc.so.2
…
