Percona 为 MySQL 数据库服务器进行了改进,在功能和性能上较 MySQL 有着很显著的提升。该版本提升了在高负载情况下的 InnoDB 的性能、为 DBA 提供一些非常有用的性能诊断工具;另外有更多的参数和命令来控制服务器行为。
2、特点 Percona Server 只包含 MySQL 的服务器版,并没有提供相应对 MySQL 的 Connector 和 GUI 工具进行改进。
Percona Server 使用了一些 google-mysql-tools, Proven Scaling, Open Query 对 MySQL 进行改造。
3、版本发布 2012年08月15日,Percona Server 5.6 Alpha 发布。
2012年08月23日,Percona Server 5.5.27-28.0 发布。
2013年04月11日,Percona Server for MySQL 5.5.30-30.2 发布
案例分析:Percona-Server 安装
下载:https://www.percona.com/downloads/Percona-Server-5.6/
一、安装Percona-Server [root@mysql2 soft]# ls -l
total 101016
-rwxr--r-- 1 oracle oinstall 1593932 Aug 11 11:19 openssl-1.0.1e-42.el6.x86_64.rpm
-rwxr--r-- 1 oracle oinstall 969444 Aug 11 10:51 openssl-libs-1.0.1e-42.el7.x86_64.rpm
-rwxr--r-- 1 oracle oinstall 70389368 Aug 11 10:30 Percona-Server-56-debuginfo-5.6.25-rel73.1.el6.x86_64.rpm
-rwxr--r-- 1 oracle oinstall 6727084 Aug 10 17:18 Percona-Server-client-56-5.6.25-rel73.1.el6.x86_64.rpm
-rwxr--r-- 1 oracle oinstall 1031588 Aug 10 17:12 Percona-Server-devel-56-5.6.25-rel73.1.el6.x86_64.rpm
-rwxr--r-- 1 oracle oinstall 20463420 Aug 10 17:20 Percona-Server-server-56-5.6.25-rel73.1.el6.x86_64.rpm
-rwxr--r-- 1 oracle oinstall 742496 Aug 11 10:08 Percona-Server-shared-56-5.6.25-rel73.1.el6.x86_64.rpm
-rwxr--r-- 1 oracle oinstall 1508480 Aug 11 10:08 Percona-Server-tokudb-56-5.6.25-rel73.1.el6.x86_64.rpm
安装顺序: 1、 Percona-Server-shared-56-5.6.25-rel73.1.el6.x86_64.rpm 2、Percona-Server-client-56-5.6.25-rel73.1.el6.x86_64.rpm 3、Percona-Server-server-56-5.6.25-rel73.1.el6.x86_64.rpm
1、安装Percona-Server-shared [root@mysql2 soft]# rpm -vih Percona-Server-shared-56-5.6.25-rel73.1.el6.x86_64.rpm
warning: Percona-Server-shared-56-5.6.25-rel73.1.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY
Preparing... ########################################### [100%]
1:Percona-Server-shared-5########################################### [100%]
2、安装Percona-Server-client
[root@mysql2 soft]# rpm -vih Percona-Server-client-56-5.6.25-rel73.1.el6.x86_64.rpm
warning: Percona-Server-client-56-5.6.25-rel73.1.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY
error: Failed dependencies:
MySQL conflicts with mysql-5.1.66-2.el6_3.x86_64 ---和原来系统安装的mysql-server冲突
卸载mysql-server: [root@mysql2 soft]# rpm -qa |grep mysql
mysql-devel-5.1.66-2.el6_3.x86_64
mysql-libs-5.1.66-2.el6_3.x86_64
mysql-5.1.66-2.el6_3.x86_64
qt-mysql-4.6.2-25.el6.x86_64
mysql-server-5.1.66-2.el6_3.x86_64
[root@mysql2 soft]# rpm -e mysql-devel-5.1.66-2.el6_3.x86_64
[root@mysql2 soft]# rpm -e mysql-server-5.1.66-2.el6_3.x86_64 --nodeps
[root@mysql2 soft]# rpm -e mysql-5.1.66-2.el6_3.x86_64
[root@mysql2 soft]# rpm -vih Percona-Server-client-56-5.6.25-rel73.1.el6.x86_64.rpm --force
warning: Percona-Server-client-56-5.6.25-rel73.1.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY
Preparing... ########################################### [100%]
1:Percona-Server-client-5########################################### [100%]
3、安装Percona-Server-server
[root@mysql2 soft]# rpm -vih Percona-Server-server-56-5.6.25-rel73.1.el6.x86_64.rpm
warning: Percona-Server-server-56-5.6.25-rel73.1.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY
Preparing... ########################################### [100%]
1:Percona-Server-server-5########################################### [100%]
/usr/bin/my_print_defaults: /usr/lib/libcrypto.so.10: no version information available (required by /usr/bin/my_print_defaults)
/usr/bin/my_print_defaults: /usr/lib/libcrypto.so.10: no version information available (required by /usr/bin/my_print_defaults)
/usr/sbin/mysqld: /usr/lib/libssl.so.10: no version information available (required by /usr/sbin/mysqld)
/usr/sbin/mysqld: /usr/lib/libcrypto.so.10: no version information available (required by /usr/sbin/mysqld)
2015-08-11 11:24:39 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2015-08-11 11:24:39 0 [Note] /usr/sbin/mysqld (mysqld 5.6.25-73.1) starting as process 7142 ...
2015-08-11 11:24:39 7142 [Note] InnoDB: Using atomics to ref count buffer pool pages
2015-08-11 11:24:39 7142 [Note] InnoDB: The InnoDB memory heap is disabled
2015-08-11 11:24:39 7142 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2015-08-11 11:24:39 7142 [Note] InnoDB: Memory barrier is not used
2015-08-11 11:24:39 7142 [Note] InnoDB: Compressed tables use zlib 1.2.3
2015-08-11 11:24:39 7142 [Note] InnoDB: Using Linux native AIO
2015-08-11 11:24:39 7142 [Note] InnoDB: Not using CPU crc32 instructions
2015-08-11 11:24:39 7142 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2015-08-11 11:24:39 7142 [Note] InnoDB: Completed initialization of buffer pool
2015-08-11 11:24:40 7142 [Note] InnoDB: The first specified data file ./ibdata1 did not exist: a new database to be created!
2015-08-11 11:24:40 7142 [Note] InnoDB: Setting file ./ibdata1 size to 12 MB
2015-08-11 11:24:40 7142 [Note] InnoDB: Database physically writes the file full: wait...
2015-08-11 11:24:40 7142 [Note] InnoDB: Setting log file ./ib_logfile101 size to 48 MB
2015-08-11 11:24:41 7142 [Note] InnoDB: Setting log file ./ib_logfile1 size to 48 MB
2015-08-11 11:24:41 7142 [Note] InnoDB: Renaming log file ./ib_logfile101 to ./ib_logfile0
2015-08-11 11:24:41 7142 [Warning] InnoDB: New log files created, LSN=45781
2015-08-11 11:24:41 7142 [Note] InnoDB: Doublewrite buffer not found: creating new
2015-08-11 11:24:41 7142 [Note] InnoDB: Doublewrite buffer created
2015-08-11 11:24:41 7142 [Note] InnoDB: 128 rollback segment(s) are active.
2015-08-11 11:24:41 7142 [Warning] InnoDB: Creating foreign key constraint system tables.
2015-08-11 11:24:41 7142 [Note] InnoDB: Foreign key constraint system tables created
2015-08-11 11:24:41 7142 [Note] InnoDB: Creating tablespace and datafile system tables.
2015-08-11 11:24:41 7142 [Note] InnoDB: Tablespace and datafile system tables created.
2015-08-11 11:24:41 7142 [Note] InnoDB: Waiting for purge to start
2015-08-11 11:24:41 7142 [Note] InnoDB: Percona XtraDB (http://www.percona.com) 5.6.25-73.1 started; log sequence number 0
2015-08-11 11:24:41 7142 [Note] RSA private key file not found: /var/lib/mysql//private_key.pem. Some authentication plugins will not work.
2015-08-11 11:24:41 7142 [Note] RSA public key file not found: /var/lib/mysql//public_key.pem. Some authentication plugins will not work.
2015-08-11 11:24:43 7142 [Note] Binlog end
2015-08-11 11:24:43 7142 [Note] InnoDB: FTS optimize thread exiting.
2015-08-11 11:24:43 7142 [Note] InnoDB: Starting shutdown...
2015-08-11 11:24:45 7142 [Note] InnoDB: Shutdown completed; log sequence number 1625977
/usr/sbin/mysqld: /usr/lib/libssl.so.10: no version information available (required by /usr/sbin/mysqld)
/usr/sbin/mysqld: /usr/lib/libcrypto.so.10: no version information available (required by /usr/sbin/mysqld)
2015-08-11 11:24:45 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2015-08-11 11:24:45 0 [Note] /usr/sbin/mysqld (mysqld 5.6.25-73.1) starting as process 7166 ...
2015-08-11 11:24:45 7166 [Note] InnoDB: Using atomics to ref count buffer pool pages
2015-08-11 11:24:45 7166 [Note] InnoDB: The InnoDB memory heap is disabled
2015-08-11 11:24:45 7166 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2015-08-11 11:24:45 7166 [Note] InnoDB: Memory barrier is not used
2015-08-11 11:24:45 7166 [Note] InnoDB: Compressed tables use zlib 1.2.3
2015-08-11 11:24:45 7166 [Note] InnoDB: Using Linux native AIO
2015-08-11 11:24:45 7166 [Note] InnoDB: Not using CPU crc32 instructions
2015-08-11 11:24:45 7166 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2015-08-11 11:24:45 7166 [Note] InnoDB: Completed initialization of buffer pool
2015-08-11 11:24:45 7166 [Note] InnoDB: Highest supported file format is Barracuda.
2015-08-11 11:24:45 7166 [Note] InnoDB: 128 rollback segment(s) are active.
2015-08-11 11:24:45 7166 [Note] InnoDB: Waiting for purge to start
2015-08-11 11:24:45 7166 [Note] InnoDB: Percona XtraDB (http://www.percona.com) 5.6.25-73.1 started; log sequence number 1625977
2015-08-11 11:24:45 7166 [Note] RSA private key file not found: /var/lib/mysql//private_key.pem. Some authentication plugins will not work.
2015-08-11 11:24:45 7166 [Note] RSA public key file not found: /var/lib/mysql//public_key.pem. Some authentication plugins will not work.
2015-08-11 11:24:45 7166 [Note] Binlog end
2015-08-11 11:24:45 7166 [Note] InnoDB: FTS optimize thread exiting.
2015-08-11 11:24:45 7166 [Note] InnoDB: Starting shutdown...
2015-08-11 11:24:47 7166 [Note] InnoDB: Shutdown completed; log sequence number 1625987
PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !
To do so, start the server, then issue the following commands:
/usr/bin/mysqladmin -u root password 'new-password'
/usr/bin/mysqladmin -u root -h mysql2 password 'new-password'
Alternatively you can run:
/usr/bin/mysql_secure_installation
which will also give you the option of removing the test
databases and anonymous user created by default. This is
strongly recommended for production servers.
See the manual for more instructions.
Please report any problems at
https://bugs.launchpad.net/percona-server/+filebug
The latest information about Percona Server is available on the web at
http://www.percona.com/software/percona-server
Support Percona by buying support at
http://www.percona.com/products/mysql-support
WARNING: Default config file /etc/my.cnf exists on the system
This file will be read by default by the MySQL server
If you do not want to use this, either remove it, or use the
--defaults-file argument to mysqld_safe when starting the server
Percona Server is distributed with several useful UDF (User Defined Function) from Percona Toolkit.
Run the following commands to create these functions:
mysql -e "CREATE FUNCTION fnv1a_64 RETURNS INTEGER SONAME 'libfnv1a_udf.so'"
mysql -e "CREATE FUNCTION fnv_64 RETURNS INTEGER SONAME 'libfnv_udf.so'"
mysql -e "CREATE FUNCTION murmur_hash RETURNS INTEGER SONAME 'libmurmur_udf.so'"
See http://www.percona.com/doc/percona-server/5.6/management/udf_percona_toolkit.html for more details
查询安装信息:
[root@mysql2 soft]# rpm -qa |grep -i percona
Percona-Server-server-56-5.6.25-rel73.1.el6.x86_64
Percona-Server-shared-56-5.6.25-rel73.1.el6.x86_64
Percona-Server-client-56-5.6.25-rel73.1.el6.x86_64
[root@mysql2 soft]# rpm -ql Percona-Server-server-56-5.6.25-rel73.1.el6.x86_64
/etc/init.d/mysql /etc/logrotate.d/mysql /etc/my.cnf /usr/bin/innochecksum /usr/bin/my_print_defaults /usr/bin/myisam_ftdump /usr/bin/myisamchk /usr/bin/myisamlog /usr/bin/myisampack /usr/bin/mysql_convert_table_format /usr/bin/mysql_fix_extensions /usr/bin/mysql_install_db /usr/bin/mysql_plugin /usr/bin/mysql_secure_installation /usr/bin/mysql_setpermission /usr/bin/mysql_tzinfo_to_sql /usr/bin/mysql_upgrade /usr/bin/mysql_zap /usr/bin/mysqlbug /usr/bin/mysqld_multi /usr/bin/mysqld_safe /usr/bin/mysqldumpslow /usr/bin/mysqlhotcopy /usr/bin/mysqltest /usr/bin/perror /usr/bin/replace /usr/bin/resolve_stack_dump /usr/bin/resolveip /usr/lib64/mysql/plugin/adt_null.so /usr/lib64/mysql/plugin/audit_log.so /usr/lib64/mysql/plugin/auth.so /usr/lib64/mysql/plugin/auth_pam.so /usr/lib64/mysql/plugin/auth_pam_compat.so /usr/lib64/mysql/plugin/auth_socket.so /usr/lib64/mysql/plugin/auth_test_plugin.so /usr/lib64/mysql/plugin/daemon_example.ini /usr/lib64/mysql/plugin/debug/adt_null.so /usr/lib64/mysql/plugin/debug/audit_log.so /usr/lib64/mysql/plugin/debug/auth.so /usr/lib64/mysql/plugin/debug/auth_pam.so /usr/lib64/mysql/plugin/debug/auth_pam_compat.so /usr/lib64/mysql/plugin/debug/auth_socket.so /usr/lib64/mysql/plugin/debug/auth_test_plugin.so /usr/lib64/mysql/plugin/debug/dialog.so /usr/lib64/mysql/plugin/debug/handlersocket.so /usr/lib64/mysql/plugin/debug/innodb_engine.so /usr/lib64/mysql/plugin/debug/libdaemon_example.so /usr/lib64/mysql/plugin/debug/libfnv1a_udf.so /usr/lib64/mysql/plugin/debug/libfnv_udf.so /usr/lib64/mysql/plugin/debug/libmemcached.so /usr/lib64/mysql/plugin/debug/libmurmur_udf.so /usr/lib64/mysql/plugin/debug/mypluglib.so /usr/lib64/mysql/plugin/debug/mysql_no_login.so /usr/lib64/mysql/plugin/debug/qa_auth_client.so /usr/lib64/mysql/plugin/debug/qa_auth_interface.so /usr/lib64/mysql/plugin/debug/qa_auth_server.so /usr/lib64/mysql/plugin/debug/query_response_time.so /usr/lib64/mysql/plugin/debug/scalability_metrics.so /usr/lib64/mysql/plugin/debug/semisync_master.so /usr/lib64/mysql/plugin/debug/semisync_slave.so /usr/lib64/mysql/plugin/debug/validate_password.so /usr/lib64/mysql/plugin/dialog.so /usr/lib64/mysql/plugin/handlersocket.so /usr/lib64/mysql/plugin/innodb_engine.so /usr/lib64/mysql/plugin/libdaemon_example.so /usr/lib64/mysql/plugin/libfnv1a_udf.so /usr/lib64/mysql/plugin/libfnv_udf.so /usr/lib64/mysql/plugin/libmemcached.so /usr/lib64/mysql/plugin/libmurmur_udf.so /usr/lib64/mysql/plugin/mypluglib.so /usr/lib64/mysql/plugin/mysql_no_login.so /usr/lib64/mysql/plugin/qa_auth_client.so /usr/lib64/mysql/plugin/qa_auth_interface.so /usr/lib64/mysql/plugin/qa_auth_server.so /usr/lib64/mysql/plugin/query_response_time.so /usr/lib64/mysql/plugin/scalability_metrics.so /usr/lib64/mysql/plugin/semisync_master.so /usr/lib64/mysql/plugin/semisync_slave.so /usr/lib64/mysql/plugin/validate_password.so /usr/sbin/mysqld /usr/sbin/mysqld-debug /usr/sbin/rcmysql /usr/share/doc/Percona-Server-server-56-5.6.25 /usr/share/doc/Percona-Server-server-56-5.6.25/COPYING /usr/share/doc/Percona-Server-server-56-5.6.25/INFO_BIN /usr/share/doc/Percona-Server-server-56-5.6.25/INFO_SRC /usr/share/doc/Percona-Server-server-56-5.6.25/README /usr/share/doc/Percona-Server-server-56-5.6.25/my-default.cnf /usr/share/info/mysql.info.gz /usr/share/man/man1/innochecksum.1.gz /usr/share/man/man1/my_print_defaults.1.gz /usr/share/man/man1/myisam_ftdump.1.gz /usr/share/man/man1/myisamchk.1.gz /usr/share/man/man1/myisamlog.1.gz /usr/share/man/man1/myisampack.1.gz /usr/share/man/man1/mysql.server.1.gz /usr/share/man/man1/mysql_convert_table_format.1.gz /usr/share/man/man1/mysql_fix_extensions.1.gz /usr/share/man/man1/mysql_install_db.1.gz /usr/share/man/man1/mysql_plugin.1.gz /usr/share/man/man1/mysql_secure_installation.1.gz /usr/share/man/man1/mysql_setpermission.1.gz /usr/share/man/man1/mysql_tzinfo_to_sql.1.gz /usr/share/man/man1/mysql_upgrade.1.gz /usr/share/man/man1/mysql_zap.1.gz /usr/share/man/man1/mysqlbug.1.gz /usr/share/man/man1/mysqld_multi.1.gz /usr/share/man/man1/mysqld_safe.1.gz /usr/share/man/man1/mysqldumpslow.1.gz /usr/share/man/man1/mysqlhotcopy.1.gz /usr/share/man/man1/mysqlman.1.gz /usr/share/man/man1/mysqltest.1.gz /usr/share/man/man1/perror.1.gz /usr/share/man/man1/replace.1.gz /usr/share/man/man1/resolve_stack_dump.1.gz /usr/share/man/man1/resolveip.1.gz /usr/share/man/man8/mysqld.8.gz /usr/share/percona-server/SELinux /usr/share/percona-server/SELinux/RHEL4 /usr/share/percona-server/SELinux/RHEL4/mysql.fc /usr/share/percona-server/SELinux/RHEL4/mysql.te /usr/share/percona-server/binary-configure /usr/share/percona-server/bulgarian /usr/share/percona-server/bulgarian/errmsg.sys /usr/share/percona-server/charsets /usr/share/percona-server/charsets/Index.xml /usr/share/percona-server/charsets/README /usr/share/percona-server/charsets/armscii8.xml /usr/share/percona-server/charsets/ascii.xml /usr/share/percona-server/charsets/cp1250.xml /usr/share/percona-server/charsets/cp1251.xml /usr/share/percona-server/charsets/cp1256.xml /usr/share/percona-server/charsets/cp1257.xml /usr/share/percona-server/charsets/cp850.xml /usr/share/percona-server/charsets/cp852.xml /usr/share/percona-server/charsets/cp866.xml /usr/share/percona-server/charsets/dec8.xml /usr/share/percona-server/charsets/geostd8.xml /usr/share/percona-server/charsets/greek.xml /usr/share/percona-server/charsets/hebrew.xml /usr/share/percona-server/charsets/hp8.xml /usr/share/percona-server/charsets/keybcs2.xml /usr/share/percona-server/charsets/koi8r.xml /usr/share/percona-server/charsets/koi8u.xml /usr/share/percona-server/charsets/latin1.xml /usr/share/percona-server/charsets/latin2.xml /usr/share/percona-server/charsets/latin5.xml /usr/share/percona-server/charsets/latin7.xml /usr/share/percona-server/charsets/macce.xml /usr/share/percona-server/charsets/macroman.xml /usr/share/percona-server/charsets/swe7.xml /usr/share/percona-server/czech /usr/share/percona-server/czech/errmsg.sys /usr/share/percona-server/danish /usr/share/percona-server/danish/errmsg.sys /usr/share/percona-server/dictionary.txt /usr/share/percona-server/dutch /usr/share/percona-server/dutch/errmsg.sys /usr/share/percona-server/english /usr/share/percona-server/english/errmsg.sys /usr/share/percona-server/errmsg-utf8.txt /usr/share/percona-server/estonian /usr/share/percona-server/estonian/errmsg.sys /usr/share/percona-server/fill_help_tables.sql /usr/share/percona-server/french /usr/share/percona-server/french/errmsg.sys /usr/share/percona-server/german /usr/share/percona-server/german/errmsg.sys /usr/share/percona-server/greek /usr/share/percona-server/greek/errmsg.sys /usr/share/percona-server/hungarian /usr/share/percona-server/hungarian/errmsg.sys /usr/share/percona-server/innodb_memcached_config.sql /usr/share/percona-server/italian /usr/share/percona-server/italian/errmsg.sys /usr/share/percona-server/japanese /usr/share/percona-server/japanese/errmsg.sys /usr/share/percona-server/korean /usr/share/percona-server/korean/errmsg.sys /usr/share/percona-server/magic /usr/share/percona-server/my-default.cnf /usr/share/percona-server/mysql-log-rotate /usr/share/percona-server/mysql.server /usr/share/percona-server/mysql_security_commands.sql /usr/share/percona-server/mysql_system_tables.sql /usr/share/percona-server/mysql_system_tables_data.sql /usr/share/percona-server/mysql_test_data_timezone.sql /usr/share/percona-server/mysqld_multi.server /usr/share/percona-server/norwegian /usr/share/percona-server/norwegian-ny /usr/share/percona-server/norwegian-ny/errmsg.sys /usr/share/percona-server/norwegian/errmsg.sys /usr/share/percona-server/polish /usr/share/percona-server/polish/errmsg.sys /usr/share/percona-server/portuguese /usr/share/percona-server/portuguese/errmsg.sys /usr/share/percona-server/romanian /usr/share/percona-server/romanian/errmsg.sys /usr/share/percona-server/russian /usr/share/percona-server/russian/errmsg.sys /usr/share/percona-server/serbian /usr/share/percona-server/serbian/errmsg.sys /usr/share/percona-server/slovak /usr/share/percona-server/slovak/errmsg.sys /usr/share/percona-server/spanish /usr/share/percona-server/spanish/errmsg.sys /usr/share/percona-server/swedish /usr/share/percona-server/swedish/errmsg.sys /usr/share/percona-server/ukrainian /usr/share/percona-server/ukrainian/errmsg.sys
二、配置Percona-Server
[root@mysql2 soft]# cat /etc/my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
[root@mysql2 soft]# vi /etc/my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
explicit_defaults_for_timestamp=true
innodb_buffer_pool_size = 128M
join_buffer_size = 128M
sort_buffer_size = 2M
read_rnd_buffer_size = 2M
启动mysql服务:
[root@mysql2 soft]# service mysql start
/usr/bin/my_print_defaults: /usr/lib/libcrypto.so.10: no version information available (required by /usr/bin/my_print_defaults)
Starting MySQL (Percona Server).....[ OK ]
[root@mysql2 soft]# netstat -an |grep :3306
tcp 0 0 :::3306 :::* LISTEN
修改root密码:
[root@mysql2 soft]# mysqladmin -u root password "oracle"
mysqladmin: /usr/lib/libcrypto.so.10: no version information available (required by mysqladmin)
mysqladmin: /usr/lib/libssl.so.10: no version information available (required by mysqladmin)
Warning: Using a password on the command line interface can be insecure.
连接数据库:
[root@mysql2 soft]# mysql -u root -p
mysql: /usr/lib/libcrypto.so.10: no version information available (required by mysql)
mysql: /usr/lib/libssl.so.10: no version information available (required by mysql)
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.6.25-73.1 Percona Server (GPL), Release 73.1, Revision 07b797f
Copyright (c) 2009-2015 Percona LLC and/or its affiliates
Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>
安装遇到的问题:
1、libssl.so.10和libcrypto.so.10 错误 [root@rh6 oracle]#rpm -vih Percona-Server-server-56-5.6.25-rel73.1.el6.x86_64.rpm
warning: Percona-Server-server-56-5.6.25-rel73.1.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY
error: Failed dependencies:
Percona-Server-client-56 is needed by Percona-Server-server-56-5.6.25-rel73.1.el6.x86_64
Percona-Server-shared-56 is needed by Percona-Server-server-56-5.6.25-rel73.1.el6.x86_64
libcrypto.so.10(libcrypto.so.10)(64bit) is needed by Percona-Server-server-56-5.6.25-rel73.1.el6.x86_64
libssl.so.10(libssl.so.10)(64bit) is needed by Percona-Server-server-56-5.6.25-rel73.1.el6.x86_64
[root@rh6 oracle]#rpm -ivh Percona-Server-client-56-5.6.25-rel73.1.el6.x86_64.rpm
warning: Percona-Server-client-56-5.6.25-rel73.1.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY
error: Failed dependencies:
Percona-Server-shared-56 is needed by Percona-Server-client-56-5.6.25-rel73.1.el6.x86_64
libcrypto.so.10(libcrypto.so.10)(64bit) is needed by Percona-Server-client-56-5.6.25-rel73.1.el6.x86_64
libssl.so.10(libssl.so.10)(64bit) is needed by Percona-Server-client-56-5.6.25-rel73.1.el6.x86_64
MySQL conflicts with mysql-5.1.66-2.el6_3.x86_64
卸载原有的mysql:
[root@rh6 oracle]#rpm -qa |grep mysql
mysql-devel-5.1.66-2.el6_3.x86_64
mysql-libs-5.1.66-2.el6_3.x86_64
mysql-5.1.66-2.el6_3.x86_64
qt-mysql-4.6.2-25.el6.x86_64
dovecot-mysql-2.0.9-5.el6.x86_64
[root@rh6 oracle]#rpm -e mysql-devel-5.1.66-2.el6_3.x86_64
[root@rh6 oracle]#rpm -e mysql-5.1.66-2.el6_3.x86_64
安装openssl:
下载openssl-1.0.1:
http://pkgs.org/centos-7/centos-x86_64/openssl-libs-1.0.1e-42.el7.x86_64.rpm/download/
[root@mysql2 soft]# rpm -ivh openssl-1.0.1e-42.el6.x86_64.rpm --force
warning: openssl-1.0.1e-42.el6.x86_64.rpm: Header V3 RSA/SHA1 Signature, key ID c105b9de: NOKEY
Preparing... ########################################### [100%]
1:openssl ########################################### [100%]
[root@mysql2 soft]# rpm -qa |grep openssl
openssl-1.0.1e-42.el6.x86_64
openssl-1.0.0-27.el6.x86_64
openssl098e-0.9.8e-17.el6_2.2.x86_64
openssl-devel-1.0.0-27.el6.x86_64
----RedHat EL6自带openssl-1.0.0版本,对于Percona-Server应该安装openssl-1.0.1的版本,安装新版本后,问题解决。
2、解决“/usr/lib/libcrypto.so.10: no version information available ” [root@mysql2 soft]# rpm -qa |grep openssl
openssl-1.0.1e-42.el6.x86_64
openssl-1.0.0-27.el6.x86_64
openssl098e-0.9.8e-17.el6_2.2.x86_64
openssl-devel-1.0.0-27.el6.x86_64
卸载openssl旧版本: [root@mysql2 soft]# rpm -e openssl-devel-1.0.0-27.el6.x86_64
[root@mysql2 soft]# rpm -e openssl-1.0.0-27.el6.x86_64 [root@mysql2 soft]# rpm -e openssl098e-0.9.8e-17.el6_2.2.x86_64
[root@mysql2 soft]# ls -l /usr/lib/libcrypto.so.10
-rwxr-xr-x 1 root root 1665328 Aug 11 10:40 /usr/lib/libcrypto.so.10
[root@mysql2 soft]# rpm -ql openssl
[root@mysql2 soft]#
/etc/pki/CA /etc/pki/CA/certs /etc/pki/CA/crl /etc/pki/CA/newcerts /etc/pki/CA/private /etc/pki/tls /etc/pki/tls/certs /etc/pki/tls/certs/Makefile /etc/pki/tls/certs/make-dummy-cert /etc/pki/tls/certs/renew-dummy-cert /etc/pki/tls/misc /etc/pki/tls/misc/CA /etc/pki/tls/misc/c_hash /etc/pki/tls/misc/c_info /etc/pki/tls/misc/c_issuer /etc/pki/tls/misc/c_name /etc/pki/tls/openssl.cnf /etc/pki/tls/private /usr/bin/openssl /usr/lib64/.libcrypto.so.1.0.1e.hmac /usr/lib64/.libcrypto.so.10.hmac /usr/lib64/.libssl.so.1.0.1e.hmac /usr/lib64/.libssl.so.10.hmac /usr/lib64/libcrypto.so.1.0.1e /usr/lib64/libcrypto.so.10 /usr/lib64/libssl.so.1.0.1e /usr/lib64/libssl.so.10 /usr/lib64/openssl /usr/lib64/openssl/engines /usr/lib64/openssl/engines/lib4758cca.so /usr/lib64/openssl/engines/libaep.so /usr/lib64/openssl/engines/libatalla.so /usr/lib64/openssl/engines/libcapi.so /usr/lib64/openssl/engines/libchil.so /usr/lib64/openssl/engines/libcswift.so /usr/lib64/openssl/engines/libgmp.so /usr/lib64/openssl/engines/libnuron.so /usr/lib64/openssl/engines/libpadlock.so /usr/lib64/openssl/engines/libsureware.so /usr/lib64/openssl/engines/libubsec.so /usr/share/doc/openssl-1.0.1e /usr/share/doc/openssl-1.0.1e/CHANGES /usr/share/doc/openssl-1.0.1e/FAQ /usr/share/doc/openssl-1.0.1e/INSTALL /usr/share/doc/openssl-1.0.1e/LICENSE /usr/share/doc/openssl-1.0.1e/NEWS /usr/share/doc/openssl-1.0.1e/README /usr/share/doc/openssl-1.0.1e/README.FIPS /usr/share/doc/openssl-1.0.1e/c-indentation.el /usr/share/doc/openssl-1.0.1e/openssl.txt /usr/share/doc/openssl-1.0.1e/openssl_button.gif /usr/share/doc/openssl-1.0.1e/openssl_button.html /usr/share/doc/openssl-1.0.1e/ssleay.txt /usr/share/man/man1/asn1parse.1ssl.gz /usr/share/man/man1/ca.1ssl.gz /usr/share/man/man1/ciphers.1ssl.gz /usr/share/man/man1/cms.1ssl.gz /usr/share/man/man1/crl.1ssl.gz /usr/share/man/man1/crl2pkcs7.1ssl.gz /usr/share/man/man1/dgst.1ssl.gz /usr/share/man/man1/dhparam.1ssl.gz /usr/share/man/man1/dsa.1ssl.gz /usr/share/man/man1/dsaparam.1ssl.gz /usr/share/man/man1/ec.1ssl.gz /usr/share/man/man1/ecparam.1ssl.gz /usr/share/man/man1/enc.1ssl.gz /usr/share/man/man1/errstr.1ssl.gz /usr/share/man/man1/gendsa.1ssl.gz /usr/share/man/man1/genpkey.1ssl.gz /usr/share/man/man1/genrsa.1ssl.gz /usr/share/man/man1/md2.1ssl.gz /usr/share/man/man1/md4.1ssl.gz /usr/share/man/man1/md5.1ssl.gz /usr/share/man/man1/mdc2.1ssl.gz /usr/share/man/man1/nseq.1ssl.gz /usr/share/man/man1/ocsp.1ssl.gz /usr/share/man/man1/openssl.1ssl.gz /usr/share/man/man1/pkcs12.1ssl.gz /usr/share/man/man1/pkcs7.1ssl.gz /usr/share/man/man1/pkcs8.1ssl.gz /usr/share/man/man1/pkey.1ssl.gz /usr/share/man/man1/pkeyparam.1ssl.gz /usr/share/man/man1/pkeyutl.1ssl.gz /usr/share/man/man1/req.1ssl.gz /usr/share/man/man1/ripemd160.1ssl.gz /usr/share/man/man1/rsa.1ssl.gz /usr/share/man/man1/rsautl.1ssl.gz /usr/share/man/man1/s_client.1ssl.gz /usr/share/man/man1/s_server.1ssl.gz /usr/share/man/man1/s_time.1ssl.gz /usr/share/man/man1/sess_id.1ssl.gz /usr/share/man/man1/sha.1ssl.gz /usr/share/man/man1/sha1.1ssl.gz /usr/share/man/man1/smime.1ssl.gz /usr/share/man/man1/speed.1ssl.gz /usr/share/man/man1/spkac.1ssl.gz /usr/share/man/man1/sslpasswd.1ssl.gz /usr/share/man/man1/sslrand.1ssl.gz /usr/share/man/man1/ts.1ssl.gz /usr/share/man/man1/tsget.1ssl.gz /usr/share/man/man1/verify.1ssl.gz /usr/share/man/man1/version.1ssl.gz /usr/share/man/man1/x509.1ssl.gz /usr/share/man/man5/config.5ssl.gz /usr/share/man/man5/openssl.cnf.5ssl.gz /usr/share/man/man5/x509v3_config.5ssl.gz /usr/share/man/man7/des_modes.7ssl.gz[root@mysql2 soft]# ls -l /usr/lib64/libcrypt*
lrwxrwxrwx 1 root root 19 Aug 11 11:21 /usr/lib64/libcrypto.so.10 -> libcrypto.so.1.0.1e
-rwxr-xr-x 1 root root 1963296 Jul 24 03:09 /usr/lib64/libcrypto.so.1.0.1e
lrwxrwxrwx. 1 root root 25 Sep 29 2013 /usr/lib64/libcrypt.so -> ../../lib64/libcrypt.so.1
lrwxrwxrwx. 1 root root 19 Sep 29 2013 /usr/lib64/libcryptui.so.0 -> libcryptui.so.0.0.0
-rwxr-xr-x 1 root root 78280 Mar 15 2010 /usr/lib64/libcryptui.so.0.0.0
[root@mysql2 soft]# ln -s /usr/lib64/libcrypto.so.1.0.1e /usr/lib/libcrypto.so.10
ln: creating symbolic link `/usr/lib/libcrypto.so.10': File exists
[root@mysql2 soft]# ln -sf /usr/lib64/libcrypto.so.1.0.1e /usr/lib/libcrypto.so.10
[root@mysql2 soft]# ls -l /usr/lib/libcrypto.so.10 lrwxrwxrwx 1 root root 30 Aug 11 11:46 /usr/lib/libcrypto.so.10 -> /usr/lib64/libcrypto.so.1.0.1e
[root@mysql2 soft]# service mysql start
Starting MySQL (Percona Server)....[ OK ]
---自此,问题解决!
3、解决“/usr/lib/libssl.so.10: no version information available” [root@mysql2 soft]# mysql -u root -p mysql: /usr/lib/libssl.so.10: no version information available (required by mysql)
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.6.25-73.1 Percona Server (GPL), Release 73.1, Revision 07b797f
Copyright (c) 2009-2015 Percona LLC and/or its affiliates
Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>
建立libssl的链接:
[root@mysql2 soft]# ln -sf /usr/lib64/libssl.so.10 /usr/lib/libssl.so.10
[root@mysql2 soft]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 4
Server version: 5.6.25-73.1 Percona Server (GPL), Release 73.1, Revision 07b797f
Copyright (c) 2009-2015 Percona LLC and/or its affiliates
Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>
-----问题解决!

MySQL是一種開源的關係型數據庫管理系統,主要用於快速、可靠地存儲和檢索數據。其工作原理包括客戶端請求、查詢解析、執行查詢和返回結果。使用示例包括創建表、插入和查詢數據,以及高級功能如JOIN操作。常見錯誤涉及SQL語法、數據類型和權限問題,優化建議包括使用索引、優化查詢和分錶分區。

MySQL是一個開源的關係型數據庫管理系統,適用於數據存儲、管理、查詢和安全。 1.它支持多種操作系統,廣泛應用於Web應用等領域。 2.通過客戶端-服務器架構和不同存儲引擎,MySQL高效處理數據。 3.基本用法包括創建數據庫和表,插入、查詢和更新數據。 4.高級用法涉及復雜查詢和存儲過程。 5.常見錯誤可通過EXPLAIN語句調試。 6.性能優化包括合理使用索引和優化查詢語句。

選擇MySQL的原因是其性能、可靠性、易用性和社區支持。 1.MySQL提供高效的數據存儲和檢索功能,支持多種數據類型和高級查詢操作。 2.採用客戶端-服務器架構和多種存儲引擎,支持事務和查詢優化。 3.易於使用,支持多種操作系統和編程語言。 4.擁有強大的社區支持,提供豐富的資源和解決方案。

InnoDB的鎖機制包括共享鎖、排他鎖、意向鎖、記錄鎖、間隙鎖和下一個鍵鎖。 1.共享鎖允許事務讀取數據而不阻止其他事務讀取。 2.排他鎖阻止其他事務讀取和修改數據。 3.意向鎖優化鎖效率。 4.記錄鎖鎖定索引記錄。 5.間隙鎖鎖定索引記錄間隙。 6.下一個鍵鎖是記錄鎖和間隙鎖的組合,確保數據一致性。

MySQL查询性能不佳的原因主要包括没有使用索引、查询优化器选择错误的执行计划、表设计不合理、数据量过大和锁竞争。1.没有索引导致查询缓慢,添加索引后可显著提升性能。2.使用EXPLAIN命令可以分析查询计划,找出优化器错误。3.重构表结构和优化JOIN条件可改善表设计问题。4.数据量大时,采用分区和分表策略。5.高并发环境下,优化事务和锁策略可减少锁竞争。

在數據庫優化中,應根據查詢需求選擇索引策略:1.當查詢涉及多個列且條件順序固定時,使用複合索引;2.當查詢涉及多個列但條件順序不固定時,使用多個單列索引。複合索引適用於優化多列查詢,單列索引則適合單列查詢。

要優化MySQL慢查詢,需使用slowquerylog和performance_schema:1.啟用slowquerylog並設置閾值,記錄慢查詢;2.利用performance_schema分析查詢執行細節,找出性能瓶頸並優化。

MySQL和SQL是開發者必備技能。 1.MySQL是開源的關係型數據庫管理系統,SQL是用於管理和操作數據庫的標準語言。 2.MySQL通過高效的數據存儲和檢索功能支持多種存儲引擎,SQL通過簡單語句完成複雜數據操作。 3.使用示例包括基本查詢和高級查詢,如按條件過濾和排序。 4.常見錯誤包括語法錯誤和性能問題,可通過檢查SQL語句和使用EXPLAIN命令優化。 5.性能優化技巧包括使用索引、避免全表掃描、優化JOIN操作和提升代碼可讀性。


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