Louis Liu

Louis Liu

Head of Data & AI Innovation @ Ping An Good Doctor

AI models / AI Infra / Bigdata

MySQL AWR – Myawr

noodba同学写的基于mysql的 WORKLOAD REPOSITORY工具,目前还没有开源 非常的给力!!

主要思想为一台管理机器,集中了所有client端的数据,client 为mysql database 使用host_id来区分 如 host_id=1代表mysql database 1,host_id=2 代表mysql database 2.

具体采集AWR过程如下:

[mysql@hadooptest2 myawr]$ perl myawrrpt.pl 

===============================================[......]

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linux tools part 8– Monitoring Reads and Writes to a File and device

1.配合使用systemtap 监控系统对于文件的读写:

[root@db-42 systemtap]# uname -a
Linux db-42 2.6.18-194.el5 #1 SMP Mon Mar 29 22:10:29 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
[root@db-42 systemtap]# more inodewatch.stp 
#! /usr/bin/env stap

probe vfs.write, vfs.read
{
  # dev and ino are defined by vfs.write[......]

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Database-exporter release v1.0

Database-exporter发布 感谢wucharles,一个充满Geek精神的小伙。

1.supports export database from each other. (you need write driver by yourself,now support oracle and MySQL)

2.supported database: Oracle, MySQL.(from oracle to mysql  or mysql to oracle)

3.supports multi source tables merged into one target ta[......]

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