How do I view a slow query log?

How do I view a slow query log?

To enable the slow query log, type the following command at the mysql> prompt: Copy SET GLOBAL slow_query_log = ‘ON’; There are additional options that you can set for the slow query log: By default, when the slow query log is enabled, it logs any query that takes longer than 10 seconds to run.

How can I see which MySQL queries are running slow?

To view the slow query logs in the Logging viewer, do the following:

  1. Go to the Logs Viewer page.
  2. From the leftmost dropdown, select Cloud SQL and the cloudsql001 database.
  3. From the All logs dropdown, select cloudsql.googleapis.com/mysql-slow.log.

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.

How do I find the slow query log in MySQL RDS?

How to get a MySQL slow query log from AWS RDS

  1. Activate MySQL slow query log. At first, go to AWS RDS dashboard, and go to “Parameter Groups”.
  2. Retrieve the slow query log. AWS RDS keeps the slow query log to the TABLE.
  3. Summarize the slow queries.
  4. Make them one file.

How do you find a slow query?

Without further ado, here are seven ways to find slow SQL queries in SQL Server.

  1. Generate an Actual Execution Plan.
  2. Monitor Resource Usage.
  3. Use the Database Engine Tuning Advisor.
  4. Find Slow Queries With SQL DMVs.
  5. Query Reporting via APM Solutions.
  6. SQL Server Extended Events.
  7. SQL Azure Query Performance Insights.

How do I find the slow query log in SQL Server?

You can view this by Right Clicking on Instance Name in SQL Server Management Studio and selecting “Activity Monitor”. Activity monitor tells you what the current and recent activities are in your SQL Server Instance.

How do I see MySQL performance queries?

or using → Query Monitor → Running Queries (which will discuss later) to view the active processes, just like how a SHOW PROCESSLIST works but with better control of the queries.

How do I see what queries are running in MySQL?

How do I check running queries for my Amazon RDS MySQL DB instance?

  1. Connect to the DB instance running the MySQL.
  2. Run the following command: SHOW FULL PROCESSLIST\G.
  3. Or, run the following query to retrieve the same result set:

How do I view MySQL logs?

  1. edit /etc/my.cnf [mysqld] log=/tmp/mysql.log.
  2. restart the computer or the mysqld service service mysqld restart.
  3. open phpmyadmin/any application that uses mysql/mysql console and run a query.
  4. cat /tmp/mysql.log ( you should see the query )

What is long_query_time in MySQL?

The minimum and default values of long_query_time are 0 and 10, respectively. The value can be specified to a resolution of microseconds. For logging to a file, times are written including the microseconds part.

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