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A tool to print MySQL transactions that take more than <n> milliseconds
License: GNU General Public License v2.0
This project forked from yoshinorim/myslowtrancapture
A tool to print MySQL transactions that take more than <n> milliseconds
License: GNU General Public License v2.0
MySlowTransactionCapture - A tool to print MySQL transactions that take more than <n> milliseconds Reasons for developing this tool was described here: http://yoshinorimatsunobu.blogspot.com/2011/04/tracking-long-running-transactions-in.html How to use: * Install libpcap, libpcap-devel, boost, and boost-devel if not installed * make * make install * Run myslowtrancapture -- [root]# myslowtrancapture -i bond0 Tips: * Use -i "interface name" to listen to specific NIC. --- example --- [root]# myslowtrancapture -i eth1 Monitoring eth1 interface.. Listening port 3306.. Logging transactions that take more than 4000 milliseconds.. --------------- * Use -f "filtering rules" to listen to specific IP addresses/ports. Filtering syntax is the same as that of tcpdump. --- example --- [root]# myslowtrancapture -f "tcp port 5508" Monitoring any interface.. Filtering rule: tcp port 5508 Logging transactions that take more than 4000 milliseconds.. --------------- * Use -t milliseconds to change printing criteria. --- example --- [root]# myslowtrancapture -i eth0 -t 10000 Monitoring eth0 interface.. Listening port 3306.. Logging transactions that take more than 10000 milliseconds.. --------------- * Use -o when your MySQL server speaks old MySQL protocols. --- example --- [root]# myslowtrancapture -i eth0 -t 10000 -o Monitoring eth0 interface.. Listening port 3306.. Logging transactions that take more than 10000 milliseconds.. Capturing MySQL old protocols.. --------------- Limitations: * Implicit commit by DDL is not supported (not handled as transaction ends). * MySQL Server-Side Prepared Statement protocol is not supported. License: GNU General Public License version 2 Author: DeNA Co.,Ltd. <[email protected]> * MySQL protocol command constants were taken from MySQL source code * local_address.c, local_address.h were taken from tcprstat(http://github.com/Lowercases/tcprstat/) authored by Ignacio Nin under GNU General Public License version 2. * sll.h was taken from libpcap under BSD 4.3 license.
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