The MySQL + PHP mode often causes a large number of zombie processes in MySQL under high concurrency pressure, resulting in service downtime. In order to automatically kill these processes, a script is created and automatically executed on the
1 seconds to kill business analysis
Normal e-business process
(1) Inquiry goods, (2) Create Order, (3) deduct inventory, (4) Update order, (5) payment, (6) Seller issue
The characteristics of the second kill business
(1) Low price, (2) Large
How do I check every 10 seconds to kill a query that exceeds 100 seconds for a specified user?Pt-kill--no-version-check--host 127.0.0.1--port 3306--user ' xxxxxx '--password ' xxxxxx '--charset UTF8--match-command Query--match-user The specified
This article mainly introduces the parameters of common pt-kill processes. if you need it, refer to pt-kill, which is an excellent tool for kill MySQL connection and part of percona toolkit, when the maximum number of connections is exceeded due to
Batch kill SQL statements that run for a long time in mysql, killmysql
KILL syntax
KILL [CONNECTION | QUERY] thread_idEach connection to mysqld runs in an independent thread. You can use the show processlist statement to check which threads are
Pt-kill is an excellent tool for connecting to killMySQL. it is part of perconatoolkit. when many idle connections cause the maximum number of connections to be exceeded and a problematic SQL statement causes high mysql load, all of them need to
A good tool for connecting to killMySQL is part of perconatoolkit. when there are many idle connections, the maximum number of connections is exceeded, and a problematic SQL statement causes high mysql load, you need to kill some connections. This
Pt-kill is a good kill MySQL connection tool, is a part of Percona Toolkit, in the due to more idle connections cause more than the maximum number of connections, a problem of SQL causes MySQL load is high, you need to kill some connections, This
Linux kill usage, killall, pkill, and xkill
Linux kill usage, killall, pkill, and xkill
1. Kill, killall, pkill, and xkill tools for terminating Processes
Terminate a process or terminate a running program, usually through kill, killall, pkill,
Kill syntax
KILL [CONNECTION | QUERY] thread_idEach connection to the mysqld runs in a separate thread, and you can use the show Processlist statement to see which threads are running and terminate a thread with the kill thread_id statement.
Kill
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