query log

The slow query log is used to optimize the query statement, the following are several parameters, 5.5 can be later to the subtle (MS)Mysql> Show variables like '%slow% ';+---------------------------+-------------------------------+| variable_name |

One, slow query log configuration Turn on the slow query log to configure the sample: /etc/mysql/my.cnf[Mysqld]Log-slow-queries Add the above configuration entry in the MY.CNF configuration file and restart the MySQL service, when the MySQL slow

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 query log, we want to determine whether the query that does

A basic tutorial on MySQL slow query log analysis, 0. First, check whether slow query is Enabled: (1) quick way to run SQL statements show VARIABLES like "%slow%" (2) go to my. conf to view the information. Configuration in my. conf (add it below

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? ------

1 Slow query definitionmeans that MySQL logs all SQL statements that execute a time threshold that exceeds the Long_query_time parameter setting. The slow query log is the log that logs these SQL.2 Turn on slow query logLocate the MySQL

This 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

classification of MySQL logs: error log: (log_error) This log records the startup and shutdown of the server, and also records information about the failure or abnormal condition. After we have installed the database, start the database if an

The log is the same as people write diaries, record the past things. But the diary of a person is subjective (remember what you want to remember), and the database log is objective, according to the record content is divided into the following

[Email protected] ~]# egrep "Slow_query_log*|long_query_time|slow-query-log-file"/usr/local/mysql5.6/my.cnfLong_query_time = 1 (slow query time)Slow_query_log=1Slow-query-log-file =/data/mysql3307/log/mysql-slow.logLog_queries_not_using_indexes=1

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 analyze its input items. we want to generate a

Environment Introduction:Yum uses a source of 163: Centos6-base-163.repoOperation of the new system: Red Hat Enterprise Linux Server Release 6.4Database version: 5.6.27PHP Version: 5.3.3 #要求php版本大于5.3percona-toolkit:2.2.1710.10.203.102 "Web Server"10

Mysql slow query logs are very useful for queries with tracing problems. We can analyze the resource-consuming SQL statements in the current program. How can we open mysql slow query log records? In fact, it is very easy to open the slow query log

MySQL Slow log is often the problem of locating SQL performance. Index usage can be adjusted by slow log analysis. This is one of the most used features. At present, MySQL also supports the slow logging below the millisecond level, this feature has

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 query log. When a new command is

The function of the query log is to record all the SQL statements sent by the client, that is, to record all operations of the client Log parameter is going to be obsolete, now replace with General_log Open Query Log Feature Mysql> showvariables

To view the configuration:View slow query time show variables like "Long_query_time"; Default 10sView slow query configuration show status like "%slow_queries%";View slow query log path show variables like "%slow%";Modifying a configuration fileAdd

Today 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

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 change, formerly is the

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 Mysqldumpslow group query