Mysql Configuration Slow query log (slowquerylog) and use log analysis tool

Source: Internet
Author: User
Tags set time

[View system settings for slow queries]

Mysql>Show variables like '%slow%';+---------------------------+--------------------------------+|Variable_name|Value|+---------------------------+--------------------------------+|Log_slow_admin_statements| OFF                            ||Log_slow_slave_statements| OFF                            ||Slow_launch_time| 2                              ||Slow_query_log| OFF                            ||Slow_query_log_file| /Data/Mysql/localhost-Slow.Log |+---------------------------+--------------------------------+

[Turn on slow query log]

//turn on slow query log MySQL> SetGlobal Slow_query_log= on;//set time threshold for slow query MySQL> SetGlobal Slow_launch_time=1;//is the path to the slow query log MySQL> SetGlobal Slow_query_log_file="/Tmp/Slow.Log";

[Configuration file]

[mysqld] Slow_launch_time = 1 Slow_query_log = 1 Slow_query_log_file =/tmp/slow. Log log_throttle_queries_not_using_indexes = 1

Mysql comes with log analysis tool Mysqldumpslow

Mysql Configuration Slow query log (slowquerylog) and using the Log analysis tool

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.