mysql query log analyzer

Title, to turn on MySQL's slow query log, you can set two items in the MySQL configuration file under [mysqld]:Log-slow-queries = D:/soft/phpnow/mysql-5.1.50/test.logLong_query_time = 1Log-slow-queries represents the log book stor

problem of SQL too long error (default 1M)Scenario Three: Directly query a large time period of data, not statistics, directly back in the library data, in the code (that is, in memory) to go back to the List, for each entity, traversing the time period, the entity to match to this time period, map (key,list), key is the segment number, The list saves the entities for that time period. The data is ultimately counted for each time period. The third sc

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 follows:input{file{type=> "Mysql-slow" path=> "/var/lib/mysql/slow.log" start_ position=>beginning sincedb_write_interval=>0codec=> m

5.2 MySQL server log---------------------mysql log types: 1. Error log: Problems encountered when starting, running, stopping mysqld 2, common query log: establishing client connections

---- 1 mysql dba 1346 Apr 13 mysql-bin.000010-rw ---- 1 mysql dba 150 Apr 13 mysql-bin.000011-rw- rw ---- 1 mysql dba 107 Apr 13 mysql-bin.000012-rw ---- 1 mysql dba 107 Apr 13

-rw---- 1 mysql dba 126 Apr 12 13:18 mysql-bin.000008-rw-rw---- 1 mysql dba 126 Apr 13 00:14 mysql-bin.000009-rw-rw---- 1 mysql dba 1346 Apr 13 20:20 mysql-bin.000010-rw-rw---- 1

1. Introduction to ToolsPt-query-digest is a tool for analyzing slow queries for MySQL, which analyzes Binlog, general log, Slowlog, It can also be analyzed using showprocesslist or MySQL protocol data crawled by tcpdump. The analysis results can be exported to a file, the analysis process is the parameters of the

1. Introduction to ToolsPt-query-digest is a tool for analyzing slow queries for MySQL, which analyzes Binlog, general log, Slowlog, It can also be analyzed using showprocesslist or MySQL protocol data crawled by tcpdump. The analysis results can be exported to a file, the analysis process is the parameters of the

1. Introduction to ToolsPt-query-digest is a tool for analyzing slow queries for MySQL, which analyzes Binlog, general log, Slowlog, It can also be analyzed using showprocesslist or MySQL protocol data crawled by tcpdump. The analysis results can be exported to a file, the analysis process is the parameters of the

This article mainly introduces Mysql log files and log types. This article describes the log file types, error logs, General query logs, slow query logs, binary logs, and so on, for more information, see

. log monitors this file in real time;Tail-f error. log monitors logs in this file in real time; slow query logs Records SQL statements whose execution time exceeds a certain threshold Configuration parameters Slow_query_log = 1 ----- enable or disable Slow_query_log_file =/data/mysql_data/node-1/mysql-sl

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 exception occurs, we should first check this log file. General