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Go to MySQL database and useShow variables like ' Slow_query_log ';See if the slow query log is turned onValue is off, the slow query log is not turned on, and before we turn on the slow
Tags: logstash mysql slowlog kibanaThis article will introduce the slow query log used by Logstash to collect MySQL , then push it to elasticsearchand create a custom index that will eventually be Kibana Web Showcase.Environment Introduction:Operating system version:centos6.6 64bitMySQL version: mysql5.6.17 and mysql5.1.36Logstash version : logstash-2.0.0.tar.gzE
Label:MySQL version is mysql5.6.22, installation environment Windows7. 1. Use this query log to find SQL statements of efficiency problems and record them for monitoring. You can query and set the slow query log using the follow
The MySQL version number is mysql5.6.22. Installation Environment Windows7.1. Use this query log to find SQL statements that have an efficiency problem. and record them and monitor them.Ability to query and set slow query logs using, for example, the following statement(1) C
Mysql has a function to log down and run slow SQL statements. This log is not available by default. To enable this function, modify my. cnf or add some parameters when mysql is started. If you modify it in my. cnf, add the following lines: Long_query_time = 10 Log-slow-queri
The so-called slow query is the query time of a SQL statement more than the predefined well-defined query time, these statements are to be recorded for the use of statement optimization, the following is how to record the slow query
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 can contain session_start () and php projects such as online. in the slow query log file, the code session_start () is always displayed, this line of code is useful in many places. now, what is the problem? how to handle it? ------ solution ------------------
When the project is big, MySQL processing a huge amount of data every day, inevitably there will be some slow query, at this time we want to open a slow query log, to see which SQL statements are needed to optimize. Here's how to turn on the MySQL
To see if the MySQL server's slow query status is turned on: 1 show variables like'%slow%'; Slow_launch_time, which means more than 2 seconds is defined as a slow q
Tags: database install mysql Windows restart command slow queryToday in testing 4 million records of MySQL slow query, database installed on Windows, Baidu a lot, there is no test feasible solution or experience, probably because the MySQL version is different! Make a record here to forget the time can be viewed, but also let other friends learn from it.The MySQL
How to enable slow log query in MySQL In Windows, find the my. ini file in the MySQL installation directory. The mysql version I use is earlier than 5.1.40. Add the following lines in my. ini: MySQL Method for enabling slow log query
The slow_query_log_file log becomes very large and it is inconvenient to analyze its input items. We want to generate a slow_query_log_file file every day and analyze this file every day. The slow_query_log_file log becomes very large and it is inconvenient to analyze its input items. We want to generate a slow_query_log_file file every day and analyze this file every day. The slow_query_log_file
MySQL configuration optimization (1) -- slow log query(1) ERRLOG contains the related information when mysqd is started and stopped, and when the server encounters any serious error during running; you can use the -- log-error [= file_name] Option to specify the location where mysqld saves the error
Mysql slow query log enabling and Storage Format Mysql version is mysql5.6.22. The installation environment is Windows 7. 1. Use this query log to find the SQL statement with high efficiency, record it, and monitor it. You can use the following statement to
Tags: Linux timed modified MySQL slow query log file nameA: Background introductionTwo: Edit modify slow query log scriptThree: Join a timed task1. If all the slow
, no matchingAll statements of a row's DELETE. The statement is saved as an "event" and describes data changes; root@kallen:/# mysqlbinlog log-file /*!50530 SET @@SESSION.PSEUDO_SLAVE_MODE=1*/; /*!40019 SET @@session.max_insert_delayed_threads=0*/; /*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/; DELIMITER /*!*/; mysqlbinlog: File 'log-file' not found (Errcode: 2) DELIMITER ; # End
default--that is, not included.DB: The log of which library to process.Top: Indicates how many first bars are sorted by rule.Sort: sorted by a rule, T_sum: sorted by total time, C_sum: sorted by total number of times, c_sum_p:sql statement execution count as a percentage of total executions. #开启慢查询日志项配置 Reference files optimized configuration of MySQL performance optimization my.cnf file: http://www.cnblogs.com/NiceTime/p/6848132.html Slow_query_log_
Redis Slow Query logEditing a configuration file/etc/redis.confFor the slow query log, you can set two parameters, one is the execution length, the unit is microseconds, and the other is the length of the slow
Label:In MySQL, the slow query log is often used as the basis for us to optimize the database, is there a similar function in MongoDB? The answer is yes, that's the MongoDB database Profiler. So MongoDB not only has, but also has some more detailed information than the MySQL slow Q
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