slow query log analyzer

One: Query the status of slow log, as shown in the sample code, slow log is already open.Mysql>Show variables like '%slow%';+---------------------+------------------------------------------+|Variable_name|Value|+------------------

MySQL slow query log analysis bitsCN.com The most basic is mysql's mysqlslowdump Easy to use: Mysqldumpslow-s c-t 20 host-slow.log Parameters: 1.-s, sorting, c, t, l, r, and ac, at, al, and ar are sorted by query times, time, lock time, and returned Records respectively. Adding a is inverted.2.-t, top n. keep up wi

Tags: git sql over/etc div time Mys share alt1,Https://github.com/Meituan-Dianping/SQLAdvisor/blob/master/doc/QUICK_START.mdhttp://www.ttlsa.com/mysql/meituan-sql-optimization-tool-sqladvisor/Enter the command in the MySQL client:Show variables like '%quer% ';The options for the red box callout are:-slow_query_log whether to log slow queries. Use the value of the Long_query_time variable to determine "

Mysql slow query log (slow_query_log_file) switch bitsCN.com Mysql slow query log (slow_query_log_file) switch The slow_query_log_file log becomes very large and it is inconvenient to

Use MySQL 5.7.9 as the monitoring database for Zabbix 2.4.7. Some time ago, the slow query log was turned on, and later found that the slow query log swelled to 700MSee the last 100 most of them are 0.1 seconds later want to chang

Mysqldumpslow is a slow query log analysis tool with MySQL, as its name implies, queries those SQL statements that are slow to query, thus analyzing the reason why SQL query efficiency is slow.In general, the results of a Mysqldum

MySQL slow query log analysis tool mysqldumpslow Mysqldumpslow is a log analysis tool that comes with mysql. As the name suggests, mysqldumpslow is used to query SQL statements that are slow in

As the data volume continues to grow, performance is particularly important. Perhaps after optimization and good solutions, you cannot feel the existence of performance problems, but as the data volume continues to grow, From millions to tens of millions to hundreds of millions, problems may arise. In order to better master the operational efficiency of the database, it is necessary to add slow log queries.

Label:ar2014divspcti logoncsql mysql> set global slow_query_log=0; Query OK, 0 rows Affected (0.00 sec) mysql> set global slow_query_log_file= '/data/mysql_33096/mysqllog/slow_ Query_2014-06-09.log '; Query OK, 0 rows Affected (0.00 sec) mysql> Show variables like ' slow% '; +---------------------+----------------- ---

(1) Configuration Open Linux: Add the following statement to the MySQL configuration file my.cnf: Log-slow-queries=/var/lib/mysql/slowquery.log #指定日志文件存放位置, can be null, the system will give a default file Host_name-slow.logLong_query_time=5 #记录超过的时间, the default is 10s, this is set to query time more than 5s query

Discuz is slow. when MySQL is frequently rushed to MySQL 100%, find the cause. Here, we will first write down the slow query log of MySQL on a Windows host, as shown below:Run the CMD command line in the bin directory of MySQL. net stop mysql. Find the my. ini file (under the MySQL directory) and add it to the [mysqld]

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 = 1 Log-slow-querie

Mysql slow query log (slow_query_log_file) Switch slow_query_log_file the 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 the log file every day. How to cut by day? We have come up

Write in front: In doing Elk logstash processing MySQL slow query log when the problem: 1, the test database does not have slow log, so there is no log information, resulting in ip:9200/_plugin/head/interface anomalies (suddenly a