You asked: What is MySQL general log?

The general query log is a general record of what mysqld is doing. The server writes information to this log when clients connect or disconnect, and it logs each SQL statement received from clients.

Where is the MySQL general log?

The error, slow query, and binary logs are enabled by default, but the general query log is not enabled. The default location for each of the logs is the MySQL Data directory (C:ProgramDataMySQLMySQL Server [version number]Data), and the default log names are based on the computer’s device name.

How do I create a general log in MySQL?

How to show the queries log in MySQL?

  1. Enable Query logging on the database. SET global general_log = 1; SET global log_output = ‘table’;
  2. Now you can view the log by running this query: SELECT * FROM mysql. general_log;
  3. If you want to disable query logging on the database, run this query: SET global general_log = 0;

What is RDS general log?

AWS RDS General Logs

The general query log can be very useful when you suspect an error in a client and want to know exactly what the client sent to mysqld. You can enable general logs by setting parameters in DB Parameters groups that you have created for your MySQL instance.

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What is the purpose of log query?

The log for each query identifies the SQL statement that was executed, whether or not the query was optimized, and how long (in milliseconds) the query took to execute, as well as other informative data, such as which user account executed the query.

How do I enable MySQL logs?

To enable the log files, do the following:

  1. Create the /etc/my.cnf options file with the following definitions that enable the log files automatically: [mysqld] log-bin log log-error log-slow-queries. …
  2. Stop and start the MySQL server to activate the changes to the /etc/my.

What is audit log in MySQL?

When installed, the audit plugin enables MySQL Server to produce a log file containing an audit record of server activity. The log contents include when clients connect and disconnect, and what actions they perform while connected, such as which databases and tables they access.

How do I use PT query digest?

To use this feature, you run pt-query-digest with the –review option. It will store the fingerprints and other information into the table you specify. Next time you run it with the same option, it will do the following: It won’t show you queries you’ve already reviewed.

How do I trace a MySQL query?

We can do the following using SQL Server Profiler

  1. Create a trace.
  2. Watch the trace results as the trace runs.
  3. Store the trace results in a table.
  4. Start, stop, pause, and modify the trace results as necessary.
  5. Replay the trace results.

What is MySQL slow query log?

The slow query log consists of SQL statements that take more than long_query_time seconds to execute and require at least min_examined_row_limit rows to be examined. The slow query log can be used to find queries that take a long time to execute and are therefore candidates for optimization.

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Why is RDS so slow?

Your Amazon Relational Database Service (Amazon RDS) system resources are over utilized. This can happen because of high CPU, low memory, or a workload that exceeds what your DB instance type can handle. The database is locking and the resulting wait events are causing SELECT queries to perform poorly.

Where are RDS logs stored?

How to collect logs. This file is located in the %windir%Logs folder.

How is log defined?

Logarithm (log) In mathematics, the logarithm is the inverse function to exponentiation. That means the logarithm of a given number x is the exponent to which another fixed number, the base b, must be raised, to produce that number x.

How do I view MySQL logs in Windows?

The error log is located in the data directory specified in your my. ini file. The default data directory location is C:Program FilesMySQLMySQL Server 8.0data , or C:ProgramDataMysql on Windows 7 and Windows Server 2008. The C:ProgramData directory is hidden by default.

How do I clear MySQL logs?

If you observe this problem please purge old data file with this command sets.

  1. Step 1: Check binary logs size under the dump directory. # ls -ld /var/lib/mysql/webdb-bin.* -rw-rw—-. …
  2. Step 2:Connect DB and show MySQL binary logs. …
  3. Step 3: Remove old Binary logs.
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