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15 useful MySQL/MariaDB performance tuning and Optimization Techniques MySQL is a powerful open-source Relational Database Management System (RDBMS ). It was released in 1995 (20 years ago ). It uses Structured Query Language (SQL), which may be the most popular choice in database content management. The latest MySQL version is 5.6.25, which was released on July 25, May 29, 2015. An interesting fact about M
add the following line to the boot auto mount in the/etc/fstab file: /dev/sdb1/ssd ext3 defaults00 Now we move MySQL to the new diskFirst stop the MySQL service: #service mysqld stop I suggest you?? Stop Apache/nginx at the same time to prevent any attempts to write to the database: #service httpd stop #service nginx stop Now copy the entire MySQL directory into the new partition: #cp/var/lib/mysql/ssd/-Rp This may take some time, depe
Tags: case sensitiveLower_case_table_names=1 #不区分大小写 skip-name-resolve # Disable DNS resolution Character-set-server=utf8 Wait_timeout=1 interactive_timeout = 288000 max_allowed_packet = 1000M max_connections=3000 Character-set-server=utf8 innodb_buffer_pool_size = 1000M innodb_additional_mem_pool_size = 200M innodb_flush_log_at_trx_commit=2 innodb_autoextend_increment=800m innodb_log_buffer_size = 200M # Innodb_log_file_size = 100M key_buffer_size=800m read_buffer_size=600m thread_cache_size=64
xf master# cd major-mysqltuner-perl-993bc18/#./ mysqltuner.pl You will receive detailed reports and recommended tips for MySQL usage. The following is an example of the output from the default MariaDB installation: MySQL Performance Optimization 15. Optimize and Repair MySQL database Sometimes tables in the MYSQL/MARIADB database can easily crash, especially if the server shuts down unexpectedly, the fil
2014-08-23 BaoxinjianI. Summary A script that is circulated online to query the efficiency of a single SQL query and export it as an HTML report, similar in function to Dbms_profilerQuery sql_id by session, only run script, export as HTML reportThe SQL script: Http://files.cnblogs.com/eastsea/sqlcheck.zipIi. cases-Using the
' Export path= $PATH:/usr/local/mysql/bin ' >>/etc/profileSource/etc/profile/etc/init.d/mysql startPs-ef | grep MySQLecho "Remember to log in to the database to change the database password and refresh the permissions. "echo "If you can't log in to the database directly with MySQL, please source/etc/profile it manually"echo "=================mariadb installed successfully!===congratulation==="This article is from the "high-tech Library" blog, please
/mysql/data-dsysconfdir=/etc-dwithout_tokudb= 1-dwith_innobase_storage_engine=1-dwith_archive_stprage_engine=1-dwith_blackhole_storage_engine=1-dwiyh_ Readline=1-dwiyh_ssl=system-dvith_zlib=system-dwith_lobwrap=0-dmysql_unix_addr=/var/lib/mysql/mysql.sock- Ddefault_charset=utf8-ddefault_collation=utf8_general_ciFiSleep 3echo $?Sleep 3#-j 2 represents a two-thread CPU to make, which is faster. LSCPU can see how much the CPU (s) is.#make-j $ (grep processor/proc/cpuinfo | wc–l)The #-j parameter in
#!/bin/bash# Author:laocao# date:2016/05/03# revision:1.0if [!-F "/etc/yum.repos.d/mariadb.repo"];thenecho "[mariadb]" >>/etc/yum.repos.d/mariadb.repoecho "name = MariaDB" >>/etc/yum.repos.d/mariadb.repoecho "BaseURL = Http://yum.mariadb.org/10.0/centos6-amd64" >>/etc/yum.repos.d/mariadb.repoecho "enabled = 1" >>/etc/yum.repos.d/mariadb.repoecho "GPGKEY=HTTPS://YUM.MARIADB.ORG/RPM-GPG-KEY-
Generally, it is not recommended to upgrade the database version. This script is dedicated to version control. To prevent compatibility issues between major versions, scripts by default only support upgrades between the same major version, such as MySQL-5.6.25 upgrade to MySQL-5.6.26, MySQL-5.5.44 upgrade to MySQL-5.5.45, MariaDB-10.0.20 upgrade to MariaDB-10.0.2
#!/bin/bashdbuser=rootdbpasswd=123456dbbak1=mysql_testbackupdir1=/data/backup_v2/mysql_testbacktime= ' Date +%y%m%d%h%m%s ' if[!-d $BACKUPDIR 1];then mkdir $BACKUPDIR 1fiecho "========== $BACKTIME Database $dbbak1 backup start ==========" > > $BACKUPDIR 1/mysql_test.logcd $BACKUPDIR 1mysqldump--opt-r--triggers-e --lock-all-tables--flush-logs--master-data=2-u$dbuser-p$dbpasswd-- databases $DBBAK 1> $DBBAK 1. $BACKTIME .sql2>> $BACKUPDIR 1/mysql_test.logif [$?==0];thentarzcf $DBBAK 1.$ backtime.t
= $user _name--password= $password-- Slave-info--incremental--incremental-basedir= $bacKDIR/REC2 $backdir/rec3 1> $out _log 2>1echo "Completing the 3rd incremental backup"elif [!-d "$backdir/rec4"];thenecho "# # # #start 4 Incremental backup at $BEGINTIME to directory Rec4" >> $time _cost$backupbin/innobackupex--defaults-file= $file _cnf--no-timestamp--user= $user _name--password= $password-- Slave-info--incremental--incremental-basedir= $bacKDIR/REC3 $backdir/rec4 1> $out _log 2>1echo "Completi
Tags: mariadb compiling and installing shell Automation Ansible Project PracticeIn the previous blog has been demonstrated, through scripting MySQL Universal binary installation, the following through the demonstration script to implement the source code compilation MARIADB Automation, in large-scale deployment of multiple ma
MySQL performance tuning primer script is a simple and easy-to-use mysql optimization tool. In fact, it is a shell script. Download: $ Wget http://www.day32.com/MySQL/tuning-primer.sh Run $ Sh tuning-primer.sh all After running the command, you will be asked about the m
MARIADB binary Semi-automatic installation scriptSystem Environment: CENTOSX86_64MARIADB version: mariadb-5.5.36-linux-x86_64#!/bin/bash#auth: Code7#description: auto-mariadb#version: 1.0Groupadd-r-G 306 MySQLUseradd-r-G 306-u 306 MySQL#创建mysql的组和用户TAR-XVF mariadb-5.5.36-linux-x86_64.tar.gz-c/usr/localCd/usr/local#把
We are in the design, often fine-tuning the color of the light and shade, or to some online color tool site to adjust the brightness accurately, but this is more troublesome, where the design of the talent network to find a very useful photoshop brightness adjustment script, The use of the time only to press the Photoshop shortcut keys can adjust the color of the bright and dark, saving a lot of design time
;>/opt/cron.log#记录执行时间Statime= ' Date +%y-%m-%d ' "%h:%m:%s 'echo "$statime" >>/opt/cron.log#任务计划开始时间, extraction hoursA= ' Cat/opt/cron.txt | grep dts_input.sh | awk ' {print $} '#传输完成时间, extraction hoursb= ' Tail-1/tmp/dts_message.log | awk ' {print $} ' | Cut-d ":"-F 1 'echo "Task Scheduler start time $ A" >>/opt/cron.logecho "Transfer complete Time $b" >>/opt/cron.log#判断传输完成时间是否大于等于任务计划时间If [$b-ge $a];then#增加1个小时C= '/usr/bin/expr $a + 1 '#修改任务计划文件/bin/sed-i "s/$a/$c/g"/opt/cron.txt#覆盖任务计划/us
Oracle SQL Tuning Health Check ScriptWe focus on the performance of database system, the main task of database tuning is to optimize SQL. Good data architecture design, with application system middleware and writing a beautiful SQL, is the future of the system on-line no fatal performance problems of the strong guarantee.In the CBO era, a SQL execution plan was diverse. The factors that affect the execution
, so adding sudo permissions does not have a security risk, and finally the official script can be modified:#!/bin/bash#youmustaddnagiospermissiontoiptablesin/etc /sudoersstate_ok=0state_warning=1state_criticalll=2state_unknown=3chains=$ (sudoiptables -nvL|grep ' Chain ' |awk ' {print$2} ') Forchain in $CHAINS ;doif[ "$CHAIN" != ' FORWARD ' ][ "$CHAIN" != ' OUTPUT ' ][$ (expr substr $CHAIN 14) != "Log_" ];then cnt=$ (expr$ (sudoiptables-s $CHAIN |wc-l
Tags: backupWrite a database backup script for your reference:#!/bin/bash date=$ (DATE +%y%m%d-%h:%m) des=/config/database-backup mysql_u= "root" mysql_p= " XXXXX " mysql_h=" 127.0.0.1 " if [!-d" $DES "];then mkdir-p" $DES " fi /usr/bin/mysqldump-u$mysql_ U-p$mysql_p-h $MYSQL _h--all-databases> "$DES/${date}.sql" find $DES-name "*.sql"-mtime +7-exec rm-rf {} \;Then write a scheduled task call:# crontab-l0 */2 * * */bin/bash/config/back_cloudstack_mari
Label:1. Pure hand-crafted Tools: Programmer's hands Features: Handwritten client and server-side validation code 2. Semi-manual semi-automatic Tools: Jquery.validate (client) + dataannotations dataannotationsextensions (server side) Features: Client handwritten partial validation code, server side only need to declare validation rules 3. Fully Automatic Tools: Jquery.validate jquery.validate.unobtrusive (client) + dataannotations dataannotationsextensions (server side) Features: Only server-
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