Kill slow queries mysql

# MySQL queries can sometimes be long-running and may prevent transactions from accessing necessary tables to complete a request. This will put your users on hold. In order to kill these long-running queries, you must access the environment’s MySQL database.
# Correcting Long-Running Queries
# When you are able to successfully make a local MySQL connection to the site’s database, run the ensuing command to present a list of accessible threads:
# Show processlist;


# Then review the “Time” field to find the longest running query
# Next, run the following command to kill it:


kill thread_ID;

 
# As a side note, be sure to replace <thread_id> with the ID of the query you want to deactivate or get rid of.


Kill All Queries


# If multiple bad requests are preventing valid queries from working, you can fix this by clearing them out without having to run kill on individual threads. 
Perform the following to produce kill commands from the PROCESSLIST table:


mysql> SELECT GROUP_CONCAT(CONCAT('KILL ',id,';') SEPARATOR ' ') 
 
FROM information_schema.processlist WHERE user <> 'system user';

# The final step is to copy the provided query in the output and run as instructed. This will fix your queries problem!

Similar codes

0 vote275 views1 answer
Sub blocks in sql
SQL
22 votes323 views3 answers
How to join three tables in sql using joins
SQL
7 votes291 views1 answer
Sql server convert string to date
SQL
2 votes296 views1 answer
Mysql clear screen
SQL
3 votes305 views1 answer
Sql add two values together
SQL
0 vote292 views1 answer
Oracle job session
SQL
9 votes279 views4 answers
Add primary key to existing table sql
SQL
0 vote248 views0 answer
SQL
1 vote300 views1 answer
Sql select max value from multiple rows
SQL
3 votes321 views1 answer
How to add unique constraint in mysql table
SQL