slow query

MongoDB slow query record   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 MONGO database. Profiler. Not only, but there are some more

Some developers, especially those who have contact with mysql, may encounter slow mysql queries. Of course, I am referring to a large data volume of millions or tens of millions, not dozens of times, next we will look at the solution to slow query.

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

MySQL slow query record logs are useful for tracking MySQL load tuning issues in the PHP + MySQL system, such as installing a lot of Discuz! Plug-in users, so that you can probably find out which plug-ins have code problems. In fact, it is very easy

Mysql slow query log enabling and storage format, mysql Log enabling Storage 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

Database Tuning tutorial (2) Prepare slow query data and optimize Databases 1. Slow query found In the previous section, we talked about the definition of slow queries. This section describes how to create a large table and prepare data for slow

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

Article 1: how to optimize slow query SQL statements in MySQL56-Introduction to slow logs: in actual log analysis, there are usually a large number of slow logs, at the same time, there will be a large number of records for the same query. here we

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

Enabling MySQL slow query record log is useful for tracking MySQL load optimization problems in the PHP + MySQL system, such as installing a lot of Discuz! Plug-in users, so that you can probably find out which plug-ins have code problems. In fact,

MySQL slow query and optimization test. For more information, see MySQL slow query and optimization test. For more information, see Edit the my. cnf or my. ini file and remove the comments of the following lines of code: The Code is as follows: Log_

And the tool comes with similar SQL statement to heavy function, can be sorted according to the specified way (such as the analysis of slow query log, so that it according to the SQL statement execution time reverse sorting, can easily locate the

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

 Found that there is a tool mysqlsla, analysis query log than Mysqldumpslow analysis will be more clear!Install Mysqlsla:Download mysqlsla-2.03.tar.gz[Email protected] export]# TAR-XVF mysqlsla-2.03.tar.gz[email protected] export]# Yum install *dbi*[

MySQL Slow query configurationMySQL logs all SQL statements that execute more than the set time threshold of the Long_query_time parameter, and the slow query log is the SQL logTurn on Slow Query methodMethod One,In the MySQL config file (under

Found that there is a tool mysqlsla, analysis query log than Mysqldumpslow analysis will be more clear!Install Mysqlsla:Download mysqlsla-2.03.tar.gz[Email protected] export]# TAR-XVF mysqlsla-2.03.tar.gz[email protected] export]# Yum install

In the My.cnf file, add:DataDir =/usr/local/mysql/datalong_query_time = # record the query time checked for 1 seconds. log-slow-queries =/usr/local/mysql/log/db-test2-slow.log# Log directory. #log-queries-not-using-indexes# represents a query that

The first step should be to do is to troubleshoot problems, to find bottlenecks, so, start with the logTurn on slow query log Mysql>show variables like "%slow%"; To view the slow query configuration, not add to the MY.CNF, as

Slow query log (does not include time to acquire locks) 1, open the Slow query log function The parameters for opening the slow query log feature in previous versions are--log_slow_queries specified in the my.cnf file, but are now specified in the

Reference: 5 kinds of MySQL log analysis tools to compete http://blog.csdn.net/gzh0222/article/details/103844751.mysql-log-filter Tool Script Usage instructions:An analysis tool found on Google code. Two executable scripts for Python and PHP are