slow query log

Shell script analysis mysql slow query log (slowlog) Percona pt-query-digest is used to analyze slow query logs. The analysis and statistics results are clear. #! /Bin/shslowlog_path =/root/slow_query_logeveryslow =/tmp/everydayslow # need to

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

Shell script analyzes mysql slow query log (slow log) and mysqlslow Percona pt-query-digest is used to analyze slow query logs. The analysis and statistics results are clear. #! /Bin/sh Slowlog_path =/root/slow_query_log Everyslow

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

-- ===========================--MongoDB Slow query log-- =========================== reference:http://docs.mongodb.org/manual/tutorial/manage-the-database-profiler/ Profiling levels:1 Resume0-the Profiler is off, does does not collect any

--Set the log file locationSet global slow_query_log_file =/sql_log/slow_log.log;--Set whether to enable logging without using an indexed SQLSet global log_queries_not_using_indexes = on;--Set the SQL that records execution time beyond the set value

Use of Mysqldumpslow:For example, we want to query the first 5 log messages by time, in the following format:Mysqldumpslow-s t-t 5/var/log/mysql/slowquery_20180303.logParameter description:-S: Sort by lock time L, number of records returned R, query

#!/bin/bashlog=/diskb/mysql/slowlog/#定义日志存储路径Date= ' date + '%y-%m-%d ' #定义时间参数User=root #填写MySQL账户信息passwd=123456MYSQL-U$USER-P$PASSWD-E "Set global slow_query_log=0" #停止mysql慢查询日志MYSQL-U$USER-P$PASSWD-E "Set global slow_query_log_file= '

Mysqlsla is a MySQL log analysis tool launched by hackmysql.com, which is very powerful. Data reports are very useful for analyzing the causes of slow queries, including frequency of execution, amount of data, query consumption, etc.First, use

1.MongoDB starts from a configuration fileCreate configuration file:/usr/local/mongodb/etc/mongodb.confThe contents of the configuration file are:#Directory and relavent setdbpath =/var/mongodb/datalogpath =/var/mongodb/logs/log.logprofile=2slowms=10

Configure mariadb slow query log Be sure to configure the full path (including file name) Otherwise you cannot restart mariadb (/usr/local/mysql/data/slow.log) The file path for the configuration mariadb Log audit can be without a filename, but

Recently in the use of Elkstack to the System log analysis, on the internet also saw the use of logstash cases, but found that can not be resolved properly, and then re-take the time to do regular calculations, the main code is as

Turn from:MySQL Slow log query full parse: From parameters, configuration to analysis tools-mysql-dbaplus community-around the database, big data, PAAs Cloud, the most focused on the "data" of the learning communication and professional

This article "My MySQL Learning experience (15)" will explain the MySQL logThe logs in MySQL are divided into 4 categories, and using these log files, you can see what's happening inside MySQL.respectively is1, error log: Log the MySQL service start,

Typically, the following two ways of locating inefficient SQL statements are performed. When you use the slow query log to locate those SQL statements that perform less efficiently, and start with the--log-slow-queries[=file_name] option,

Log operation is one of the most important means of database maintenance, log files will record the various information of MySQL server, so when the MySQL server was accidentally damaged, not only can the log file to see the cause of the error, but

MySQL's slow query log is a log record provided by MySQL, which is used to record a statement in MySQL that has a response time exceeding the threshold, which refers to SQL that runs longer than the Long_query_time value, and is recorded in the slow

When MySQL uses the slow query log to locate those SQL statements that perform less efficiently, and start with the--log-slow-queries[=file_name] option, Mysqld writes a full execution time of more than Long_ Query_time The log file of the SQL

About MySQL efficiency optimization typically uses the following two ways to locate execution-less efficient SQL statements. With slow query logs locating those SQL statements that perform less efficiently, when started with

Written in front This blog to take on a MySQL default engine InnoDB primary discussion (ii) continue to explore the MySQL database InnoDB storage engine InnoDB file MySQL database and InnoDB storage engine tables for various