It's accessible via the Tools main menu command. If you use Navicat to manage your database(s), you can look up system variables using the Server Monitor tool. Note that the "C:\ProgramData" directory is hidden by default, so you may need to change your folder options to see the directory and its contents.įor other platforms, it may be helpful to refer to the log_error config variable. The default data directory location in Windows is "C:\Program Files\MySQL\MySQL Server 5.7\data", or "C:\ProgramData\Mysql". You'll find the error log in the data directory specified in your my.ini file. MySQL server uses the error log to record information relevant to any issue which prevents the server from starting.
Your first resource when troubleshooting server issues is the error log. Out of these, the most important are the error, general, binary, and slow logs, so we'll focus on the first two today, and the last two next week. Stores all queries that took more than long_query_time to execute or didn't use indexes.
Stores all statements that change something. Used only for debugging the ISAM code.Įstablished connections and executed queries.ĭeprecated: stores all statements that change data. Problems encountered when starting, running, or stopping mysqld. MySQL can support several log types, but bear in mind that, by default, no logs are enabled except for the error log on Windows. Today's blog is a primer on MySQL logging - a topic that we'll be referencing later on when we talk about monitoring in Navicat Monitor for MySQL/MariaDB. As it happens, MySQL has several different log files that can help you find out what's going on inside the MySQL server. Should something unexpected occur, whether it be a security breach, system crash, or just sluggish performance, the log file(s) can be an administrator's best friend. In software applications, log files keep a record of what actions were performed in the system and perhaps who performed them.
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