mysql query log analyzer

(82565387) 21:1Database error, it will definitely report the wrong log1. Take this error log to search the source, on the Linux machineGoogleTake a look at the notes near the source code 2. Encountering error logshttp://bugs.mysql.com/a230-Pengshusen-Shenzhen (10031145) 21:19:13When you search for a problem, you go in. General log regular logs, only suitable for development environment openAll interactions

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"10.10.203.93 "Monitored side"You need to do all the work on both machines, there are notes on the steps.Operation Steps: Installation of the Percona-toolkit tool 10.10.203.93 and 10.10.203.102 are installedPt-

Tags: mysql logDirectory1. Log classification2, various log introduction1. Log classificationError logQuery logSlow query logTransaction logBinary logRelay Log2, various log introduction2.1. Error logBy default, the error

Environment: ubuntu14.04 mysql5.7Slow query log is logged when the query does not return results for a certain amount of timeSlow query logs can find SQL statements that perform inefficiently and help with database optimizationThe slow query

Mysql Log File Usage and data recovery I. mysql Log types MYSQL has different types of log files (each storing different types of logs ), from these, you can find out what MYSQL has don

statement with replication. Url:http://dev.mysql.com/doc/refman/5.5/en/flush.html From the English help document above, you can view MySQL's flush command and log-related usage. BINARY closes and reopens the BINARY log files.ENGINE closes and reopens any flushable logs for installed storage. Currently, this is causes InnoDB to flush it logs to disk and perform a checkpoint.Error closes and reopens t

you find the queries that benefit from the index. You can directly view the log (it is a text file), or use the mysqldumpslow tool to count its content. If a given query appears in the "slow query" log multiple times, this is a clue. A query may not be optimized. You can re

Tags: Database sql dba MySQLLike most relational databases, log files are an important part of the MySQL database. MySQL has several different log files, usually including error log files, binary logs, generic logs, slow query log

Tags: store style col MySQL share picture lob Div using indexfirst, MySQL's slow query log opening and storage 1, check whether the SQL records that do not use the index to the slow query log, view the log_queries_not_using_indexes variable; like "Log_queries_%" Results:

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? ------ solution ------------------ slow query of

'; Flush privileges; # #刷新权限 Help Revoke Revoke priv_type [(column_list)] [Priv_type [(column_list]]] ... on [Object_type] priv_level from user [, user] ... revoke all privileges, grant option from user [ , user] ... revoke proxy on user from user [, user] ... 4 List of common permissionsLog management of the database MySQL log: Error log: Log_error,log_warni

MYSQL log files can be divided into six types. This blog post summarizes seven mysql log maintenance policies and related suggestions based on the learning and experiment of the bloggers. These days I have to deal with mysql servers, so I have collected some maintenance str

Tags: row col query database data SQL DB request field commentSELECT * from information_schema.columns where table_schema = ' db ' #表所在数据库 and table_name = ' tablename '; #你要查的表 In addition to the above method can also add field query Log in to the database using Mysql-uyourroot-pyourpassword Use the database again; Yo

Linux O M learning notes-MySQL Log learning and learning notes-mysql I. Error Log: Error Log 1. Introduction An error log is an error message that records the MySQL service process mys

Slow query log How there will be Session_Start (), online, etc. PHP project, I in the slow query log file, the old prompt out session_start () This line of code, this line of code in many places useful to Now ask: What is the problem ah, how to deal with it, ------Solution-------------------- Slow

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

MySQL log management (2) mysql has the following types of logs: Error log:-log-errQuery log:-logSlow query log:-

], [TYPE] Has SELECT, CREATE, DROP, UPDATE, INSERT, for example, "+ SELECT, INSERT". The default value -, that is, it is not included.Db: the log of the database to be processed.Top: the number of first entries sorted by rules.Sort: sort by certain rules, t_sum: sort by the total time; c_sum: sort by the total number of times; c_sum_p: percentage of the number of SQL statement executions to the total number of executions. # Enable slow

The binlog parsing tool is widely used. mysqlbinlog is the most commonly used tool. It has its own merits. For DBA, this article only introduces pt-query-digest, which can be used to solve the problem. The binlog parsing tool is widely used. mysqlbinlog is the most commonly used tool. It has its own merits. For DBA, this article only introduces pt-query-digest, which can be used to solve the problem. T

Tags: ogg binary open grep log file server condition configuration customerLike most relational databases, log files are an important part of the MySQL database. MySQL has several different log files, usually including error log f