Pt-kill is a very simple tool to kill MySQL threads and queries. The main purpose is to prevent some long queries from consuming system resources for long periods of time, while affecting the online business.
Main function:
Get the connection that satisfies the condition from show processlist or read the connection that satisfies the condition from the file containing show processlist and print or
Use pt-kill to kill the connection method according to certain rules, pt-killkill
Pt-kill is an excellent tool for kill MySQL connection and is part of percona toolkit, when the maximum number of connections is exceeded due to a large number of idle connections and a problematic SQL statement causes a high mysql load,
[Linux Study Notes] usage of kill and kill-9 and how to exit the process elegantly 1. kill and signals the kill we mentioned here refers to the kill used as the shell command (in contrast, there is a system call called kill in the
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 tool is mainly used for this purpose.
Parameters
–busy-time
Run time
–idle-time
Free time
–victims
All matching
Shell Trojan Kill is the first specifically designed for online games anti-theft number tailored to the completely free Trojan kill software, pure green, installation-free, volume only 373 KB, very lightweight, suitable for users to download the use of fast. It is produced by Jinshan's Shell Internet (Beijing) Security Technology Co., Ltd., founded in 2009, is a professional Internet Security Service and pr
Percona utility-Introduction to pt-kill, perconapt-kill
Pt-kill is an excellent tool for kill MySQL connection and is part of percona toolkit, when the maximum number of connections is exceeded due to a large number of idle connections and a problematic SQL statement causes a high mysql load, you must
Python uses pid to kill the corresponding process, and pythonpid to kill the process
Using the python language to kill the corresponding process based on the pid
The kill_process.py code is as follows:
#! /Usr/bin/python #-*-coding: UTF-8-*-import osimport sysimport signaldef kill (pid): try: a = OS.
The quickest way to kill the lock process is to restart MySQL, like in your case, with more than 1000 SQL locked, preferably a rebootIf I do not allow a restart, I provide a shell script that generates a Kill ID command to kill the lock thread, as follows:------------------------------------#!/bin/bashMysql-u root-e "Show processlist" |grep-i "Locked" >> locked.t
[Email protected]:~$ killall-h Usage: killall [options] ... [--] Process name ... killall-L,--List Killall-V,--version-e,--exact require exact match forVeryLongnames-I.,--ignore- Case Caseinsensitive process name Match-G,--process-group Kill Process Group instead of process-Y,--younger-than kill processes younger than time-O,--older-than kill processes older
[Linux study notes] Usage of kill and kill-9 and how to exit the process elegantly 1. kill and signals the kill we mentioned here refers to the kill that serves as the shellcommand (comparatively, there is a systemcall named kill
Use the script kill process, Syntax: run script + process name, script kill
The script is attached below, and the permission must be attached to X for execution.
#! /Bin/sh # pid kill thread for chenglee # if fileformat = dos, update fileformat = unix # code: set fileformat = unix # check: set ff? If [$ #-lt 1] then echo "not procedure_name" exit 1fi PROCESS =
How does python kill a thread? Does python kill a thread?
This requirement was recently encountered in the project:
I need a function, such as remotely connecting to a port and remotely reading files, but I have provided a limited amount of time. For example, if you haven't finished reading or the connection is successful in 4 seconds, I am not waiting. It is very likely that the other party has crashed or
Tags: code kill-9 pid ROC proc Lin PPI linux CP server1:top View>top-cAt this point we use kill-9 15003, kill the process of the short-term CPU down a few seconds, and then resurgence, another process accounted for the CPU 99%2: View 15003 process status,> Cat/proc/15003/statusPid: Current Process IDPPid: Parent process of the current processThe 2
Tags: killlinuxfirefoxtimerexception2012-01-19 22:48 335004 people read review (+) collection report Classification:tips ($) Linux($) Reproduced an article, the most original source has not been tested, hope forgive me!General article:First, use PS to view the process as follows:$ ps-ef......Smx 1822 1 0 11:38? 00:00:49 gnome-terminalSmx 1823 1822 0 11:38? 00:00:00 Gnome-pty-helperSmx 1824 1822 0 11:38 pts/0 00:00:02 bashSmx 1827 1 4 11:38? 00:26:28/usr/lib/firefox-3.6.18/firefox-binSmx 1857
PHP code exec ("Kill $pid", $op, $returns) cannot kill a process under a Linux virtual machine
Title, I write PHP code under Linux exec ("Kill $pid", $op, $returns), through the PID kill process, after execution, the return is always "1", that is, the execution is unsuccessful, the process ID is still in after executio
After collecting and sorting out the relevant linux killing process materials, I would like to recommend this article to you here. I hope you will see a lot of gains in the future. 1. kill: kill a process by process number. usage: kill [signal code] process ID example: [root @ localhost ~] # Psauxf | grephttpd note: kill
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 kill some connections. This tool is mainly because pt-kill is an excellent tool for
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