TokuDB 安装

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简介: TokuDB是MySQL和MariaDB的开源、高性能存储引擎。它通过使用分形树索引来实现这一点。它是可伸缩的,ACID和MVCC兼容的,提供基于索引的查询改进,提供在线模式修改,并减少硬盘驱动器和闪存的从延迟。----来自维基百科

安装TokuDB:
0、关闭内存大页
echo never > /sys/kernel/mm/transparent_hugepage/enabled
echo never > /sys/kernel/mm/transparent_hugepage/defrag

查看下
cat /sys/kernel/mm/transparent_hugepage/enabled
always madvise [never]
cat /sys/kernel/mm/transparent_hugepage/defrag
always madvise [never]

tokuDB内存分配需要jemalloc支持,因此使用之前需要安装jemalloc
yum install -y jemalloc

rpm -qa |grep jemalloc
jemalloc-3.6.0-1.el7.x86_64

rpm -ql jemalloc-3.6.0-1.el7.x86_64
/usr/bin/jemalloc.sh
/usr/lib64/libjemalloc.so.1
/usr/share/doc/jemalloc-3.6.0
/usr/share/doc/jemalloc-3.6.0/COPYING
/usr/share/doc/jemalloc-3.6.0/README
/usr/share/doc/jemalloc-3.6.0/VERSION
/usr/share/doc/jemalloc-3.6.0/jemalloc.html

1、从percona官网下载
https://www.percona.com/downloads/Percona-Server-LATEST/

wget https://www.percona.com/downloads/Percona-Server-LATEST/Percona-Server-5.7.21-21/binary/tarball/Percona-Server-5.7.21-21-Linux.x86_64.ssl101.tar.gz

tar xf Percona-Server-5.7.21-21-Linux.x86_64.ssl101.tar.gz
mv Percona-Server-5.7.21-21-Linux.x86_64.ssl101 tokudb57
mkdir /home/work/data/mysql3504

2、初如化
/home/work/tokudb57/bin/mysqld --defaults-file=/home/work/data/my3504.conf --basedir=/home/work/tokudb57/ --user=work --initialize-insecure

--initialize-insecure 初如化MySQL是空密码

--defaults-file= 指定配置文件,最好放在前面,不要放在最后

3、配置文件my3306.conf
加入:
[mysqld_safe]
thp-setting=never
malloc-lib=/usr/lib64/libjemalloc.so.1

3、启动
chown -R work:work /home/work/data/mysql3306/

改密码:
set password=password('123456');

/home/work/tokudb57/bin/mysqld_safe --defaults-file=/home/work/data/mysql3306/my3306.conf --user=work &

4、安装TokuDB
cd /home/work/tokudb57/bin/
ps_tokudb_admin --enable -u'root' -p -S /home/work/tmp/mysql3306.sock

/home/work/tokudb57/bin/ps_tokudb_admin --enable --user=root --password='' --socket=/home/work/tmp/mysql3306.sock
Enter password:

WARNING: This script is deprecated and will be removed in 8.0. You can use ps-admin script which has more functionality.

Checking SELinux status...
INFO: SELinux is disabled.

Checking if Percona Server is running with jemalloc enabled...
INFO: Percona Server is running with jemalloc enabled.

Checking transparent huge pages status on the system...
INFO: Transparent huge pages are currently disabled on the system.

Checking if thp-setting=never option is already set in config file...
INFO: Option thp-setting=never is not set in the config file.

  (needed only if THP is not disabled permanently on the system)

Checking TokuDB engine plugin status...
INFO: TokuDB engine plugin is not installed.

Adding thp-setting=never option into /etc/my.cnf
INFO: Successfully added thp-setting=never option into /etc/my.cnf

Installing TokuDB engine...
INFO: Successfully installed TokuDB engine plugin.

(root@(none))>show engines;
Engine Support Comment Transactions XA Savepoints
PERFORMANCE_SCHEMA YES Performance Schema NO NO NO
MRG_MYISAM YES Collection of identical MyISAM tables NO NO NO
CSV YES CSV storage engine NO NO NO
BLACKHOLE YES /dev/null storage engine (anything you write to it disappears) NO NO NO
MyISAM YES MyISAM storage engine NO NO NO
TokuDB YES Percona TokuDB Storage Engine with Fractal Tree(tm) Technology YES YES YES
InnoDB DEFAULT Percona-XtraDB, Supports transactions, row-level locking, and foreign keys YES YES YES
ARCHIVE YES Archive storage engine NO NO NO
MEMORY YES Hash based, stored in memory, useful for temporary tables NO NO NO
FEDERATED NO Federated MySQL storage engine NULL NULL NULL

10 rows in set (0.00 sec)

此时InnoDB还是默认引擎 重启下server,并在my3306.conf [mysqld]添加如下配置:

------------- tokudb ---------------

default-storage-engine = TokuDB
tokudb_directio = on
tokudb_cache_size = 2G
tokudb_row_format = tokudb_lzma
tokudb_commit_sync = 0
tokudb_fsync_log_period = 1000

重启后TokuDB 就是默认存储引擎了

mysql> show engines;
Engine Support Comment Transactions XA Savepoints
PERFORMANCE_SCHEMA YES Performance Schema NO NO NO
MRG_MYISAM YES Collection of identical MyISAM tables NO NO NO
CSV YES CSV storage engine NO NO NO
BLACKHOLE YES /dev/null storage engine (anything you write to it disappears) NO NO NO
MyISAM YES MyISAM storage engine NO NO NO
TokuDB DEFAULT Percona TokuDB Storage Engine with Fractal Tree(tm) Technology YES YES YES
InnoDB YES Percona-XtraDB, Supports transactions, row-level locking, and foreign keys YES YES YES
ARCHIVE YES Archive storage engine NO NO NO
MEMORY YES Hash based, stored in memory, useful for temporary tables NO NO NO
FEDERATED NO Federated MySQL storage engine NULL NULL NULL

10 rows in set (0.00 sec)

错误:
一、 初始化错误
[ERROR] InnoDB: Expected to open 4 undo tablespaces but was able to find only 0 undo tablespaces.Set the innodb_undo_tablespaces parameter to the correct value and retry. Suggested value is 0

解决:
报错原因:
在初始化数据库的时候没有指定innodb_undo_tablespaces参数
解决方法:
在初始化数据库的时候写上--defaults-file参数,在对应的配置文件中写上对应的innodb_undo_tablespaces参数

/home/work/tokudb57/bin/mysqld --defaults-file=/home/work/data/my3504.conf --basedir=/home/work/tokudb57/ --user=work --initialize-insecure

二、tokudb安装:
root@dqd-stat-mysql-slave01.bj.uc:/home/work/data# ps_tokudb_admin --enable -u'root' -p'123456' -h 127.0.0.1 -P 3504
WARNING: This script is deprecated and will be removed in 8.0. You can use ps-admin script which has more functionality.

Checking SELinux status...
INFO: SELinux is disabled.

ERROR: Failed to list mysql plugins! Please check username, password and other options for connecting to server...

用户名和密码都是正常的

解决:
/home/work/tokudb57/bin/ps_tokudb_admin --enable --user=root --password='' --socket=/home/work/tmp/mysql3306.sock

三、 Percona Server 未启动

/home/work/tokudb57/bin/ps_tokudb_admin --enable --user=root --password='' --socket=/home/work/tmp/mysql3504.sock

WARNING: This script is deprecated and will be removed in 8.0. You can use ps-admin script which has more functionality.

Checking SELinux status...
INFO: SELinux is disabled.

cat: dqd-stat-mysql-slave01.bj.uc.pid: No such file or directory
Checking if Percona Server is running with jemalloc enabled...
grep: /proc//environ: No such file or directory
which: no mysqld in (/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/home/itools/python/bin/:/home/work/local/mysql/bin:/root/opt/bin/:/home/work/opbin/xtrabackup/bin:/home/work/nodejs/bin:/root/bin)
ldd: missing file arguments
Try `ldd --help' for more information.
ERROR: Percona Server is not running with jemalloc, please restart mysql service to enable it and then run this script...

搞了老错误,又来新错误, server是启动的

解决:
root@dqd-stat-mysql-slave01.bj.uc:/home/work/data# grep "Percona Server is not running" /home/work/tokudb57/bin/ps_tokudb_admin

printf "ERROR: Percona Server is not running with jemalloc, please restart mysql service to enable it and then run this script...\n\n";
printf "ERROR: Percona Server is not running with libHotBackup.so preloaded, please restart mysql service to enable it and then run this script again...\n\n";

vim /home/work/tokudb57/bin/ps_tokudb_admin
if [ $ENABLE_TOKUBACKUP = 1 ]; then
printf "Checking if Percona Server is running with libHotBackup.so preloaded...n"
LIBHOTBACKUP_STATUS=$(grep -c libHotBackup.so /proc/${PID_NUM}/environ)
if [ $LIBHOTBACKUP_STATUS = 0 ]; then

printf "ERROR: Percona Server is not running with libHotBackup.so preloaded, please restart mysql service to enable it and then run this script again...\n\n";
exit 1

else

printf "INFO: Percona Server is running with libHotBackup.so preloaded.\n\n";

fi
fi

打开脚本和pid 有关 ,那就回一个pid

root@dqd-stat-mysql-slave01.bj.uc:/home/work/data# grep "pid" /home/work/data/mysql3306/my3306.conf
pid-file = /home/work/tmp/mysql.pid

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