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The following articles mainly introduce the actual solution to slow remote connection to MySQL, that is, using skip-name-resolve to cancel DNS reverse resolution, the following describes the specific content of the article, hoping to help you in your future studies. PHP remote connection to MySQL is slow. Sometimes it takes 4-20 seconds to remotely connect to MySQL. The following articles mainly introduce t
Use mysqldumpslow and mysqlsla to analyze mysql slow query log mysqldump BitsCN.com Use mysqldumpslow and mysqlsla to analyze mysql slow query logsMySQL optimization is not a permanent task, but a constant battle. Among them, the analysis of slow query logs is an important method. I used to look at it manually. However, this is not a long-term plan. today I tried
How slow is it ?? No personal computer is set differently, the installed software is different, the same software is set differently, the software hardware is different, the startup settings are different, and so on, why does it take tens of seconds to switch the host ?? My computer will run 11 laps and shut down for 2 minutes, but everything is okay. Don't be so surprised to scare yourself. I. Software 1. Set virtual memory There is a big data
Mysql enables slow query logs and queries-windows, mysql-windows MySQL slow query Configuration 1. What is the use of slow queries? It records all SQL statements that have been executed longer than long_query_time, and helps you find slow SQL statements to optimize these SQL statements. 2. How to enable
The following are the problems that lead to slow network, as well as some common network problems to solve, in this collation to the users. (Internet collection) First, the network itself problem The destination Web site you want to connect to is on a server with insufficient bandwidth or too much load. The processing method is very simple, please change the time period to go up again or change a target website. Second, network cable problems
Computer slow "can be said to use a computer friend most likely to encounter the situation." Sometimes the use of a good computer system, suddenly began to become slow, slow, when you encounter this "computer slow" situation, how do you deal with it? In fact, "the computer slows down" in addition to the professional a
Writing this article is my recent observation concluded that the domain home snapshot slow, does not mean the right to drop. I used to exchange links before the station friends, and encountered similar problems, domain home snapshot slow then very tangled, why not give me a friendship link, my station where wrong, once a broken heart. For domain home snapshots slow
Tags: User name slow. SQL Perl text build table Ges IGEs OpenPrefaceUsing anemometer to visualize the MySQL slow query log, you can more easily query the slow query log, and based on the time stamp of historical query. The following is a stand-alone version of the Anemometer deployment demonstration, in practice, for security reasons, it is recommended to separat
First, IntroductionMysqlsla is a tool for analyzing the MySQL slow log , which analyzes the reasons for slow queries, including the number of times a SQL is executed and the percentage of slow log data, execution time, waiting time, and so on. The company's database has a lot of slow query logs, resulting in a high sys
Tags: start archive msyql execution time com log handy MySQL LinuxTransferred from: http://www.cnblogs.com/gzgccsu/archive/2013/01/23/2873598.html 1. What is the use of slow queries? It records all SQL statements that execute more than long_query_time time, helping you to find SQL that executes slowly, so we can optimize these SQL. 2. How do I turn on slow queries? First we check if the MySQL server's
Tags: mysql index data table sql slow query tease brother AutomationWhen the MySQL server is abnormal ( slow ), first of all to consider whether the SQL statement caused the database slow, if the situation is more urgent, we will SHOW full processlist immediately; To see, but I recommend that you use the- e parameter , in a non-interactive way, because you can us
A basic tutorial on querying logs and slow query logs in MySQL, I. query logs Query all the queries in MySQL by using "-- log [= file_name. Because all the queries, including all the select statements, are recorded, and the size is relatively large, it also has a great impact on the performance after enabling them. Therefore, please use this function with caution. This function is generally only used to track certain special SQL Performance problems f
How to enable slow query in MySQL 1. The configuration is enabled. Linux: Add Log-Slow-queries =/var/lib/MySQL/slowquery. Log (specify the location where the log file is stored, which can be empty and the system will give a default file host_name-slow.log)Long_query_time = 2 (the time when the record exceeds, the default value is 10 s)Log-queries-not-using-Indexes)Log-Long-format (if it is set, all queries
MySQL server has a function, you can detect which SQL statement query slow, that is, slow query Slowlog, now describes how to open.Add the following code under [Mysqld]: Long_query_time = 1Log-slow-queries =/usr/local/mysql/data/slow.logLog-queries-not-using-indexes Long_query_time = 1 #定义超过1秒的查询计数到变量Slow_queries.Log-slow
Use mysqldumpslow and mysqlsla to analyze mysql slow query logsMySQL optimization is not a permanent task, but a constant battle. Among them, the analysis of slow query logs is an important method. I used to look at it manually. However, this is not a long-term plan. Today I tried mysqldumpslow and mysqlsla, And I feel much more efficient.MysqldumpslowMysqldumpslow is a perl script officially provided, so y
Analysis of slow query logs by pt-query-digest in MySQL, ptquerydigest I. Introduction Pt-query-digest is a tool used to analyze mysql slow queries. It can analyze binlog, General log, and slowlog, you can also use SHOWPROCESSLIST or MySQL protocol data captured by tcpdump for analysis. You can output the analysis results to a file. The analysis process is to first parameterize the query statement condition
MySQL slow query log and MySQL Log MySQL has a log called slow query log, which is mainly used to record time-consuming query operations. . Through this log, we can analyze which operations affect performance, and we need Some optimization measures are carried out. View the enabled status The above is MySQL5.7 installed in windows. We can find that this version enables
Case Small a classmate download a PS software from the Internet, install a graphics software, found that IE homepage has been modified, and manual can not modify back to the original IE homepage, and then use the security antivirus anti-virus software, did not think of killing the virus, open the page a lot slower. Then look around to find a slow way to open a Web page. The phenomenon of seeking help 1. Reasons to open web
51, php-fpm Pool, php-fpm slow execution log, Open_basedir, PHP-FPM process ManagementFirst, the pool of PHP-FPMPool: Right. The right-most column of PS aux. It's the pond.# CD/USR/LOCAL/PHP-FPM/ETC# cat php-fpm.conf//supports defining multiple pools[Global]PID =/usr/local/php-fpm/var/run/php-fpm.pidError_log =/usr/local/php-fpm/var/log/php-fpm.log[www]//This is a poolListen =/tmp/php-fcgi.sock#listen = 127.0.0.1:9000Listen.mode = 666user = PHP-FPMGro
Linux enable MySQL slow query The code is as follows Copy Code Vim/etc/my.cnf[Mysqld]Slow-query-log = on # Open slow query functionSlow_query_log_file =/usr/local/mysql/data/slow-query.log # Slow query log store path and nameLong_query_time = 5 #
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