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MariaDB : Bug when add index on Partition table

Posted by admin on April 23rd, 2015

Version: 5.5.5-10.0.10-MariaDB-log MariaDB Server

When I use mariadb as multi-source slave DB I met a strange problem . Creating index on a vary la[……]

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Posted in Internals, MYSQL, replication | No Comments »

MySQL 5.7 milestone

Posted by admin on April 22nd, 2015

MySQL 5.7 will be a great milestone in MySQL total history.
Oracle has released many useful new features in LAB version . MySQL is becoming more sim[……]

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Posted in Architect, MYSQL, software | No Comments »

Architecture of data warehouse which is based on MQ

Posted by admin on January 20th, 2015

Recently, we create a mysql data warehouse which is based on message queue.

Most companies must prepare for particular queries in their systems if[……]

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Posted in Architect, Architecture, MYSQL, rdbms, software | No Comments »

MHA with binlog server

Posted by admin on December 31st, 2014

In this post ,we mainly talk about MHA GTID behavior, we test different cases and find something is different from previous versions .

we have four[……]

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Posted in Architect, Architecture, MYSQL, software | No Comments »

MySQL-Oslayer-Performance-Optimization

Posted by admin on December 13th, 2014

upload on 2014.12 [ten important tips of MySQL database design for better performance] Download this PDF

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Posted in Architecture, MYSQL, performance | No Comments »

MySQL message subscription system

Posted by admin on December 9th, 2014

Introducing MQ system based on MySQL (canal + roma)
Using this system to subscribe message between different platforms.

View this PDF roma_syste[……]

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Posted in Architect, Architecture, MYSQL, replication, software | No Comments »

MyAWR : MySQL Workload Report V3 release

Posted by admin on December 2nd, 2014


myawr-v3 release now !

history of myawr:

————————–
v1: create by noodba

mysql load information and system information 

[……]

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Webm: MySQL database performance web monitor

Posted by admin on September 28th, 2014

You can download webm from github: https://github.com/ylouis83/webm

webm: mysql web key performance monitor

webm is a tool that display key val[……]

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关于Partial write for all MySQL and Oracle

Posted by admin on September 2nd, 2014

很久之前看过这个帖子,当时没有细究,这几天看了下mysql相关的internal 突然想起这个问题,跟三四个朋友讨论了下 想把这个问题展开讲一讲。

源帖子内容见:https://community.oracle.com/thread/1087650?start=0&tstart=0

这个[……]

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Posted in Internals, MYSQL, oracle | No Comments »

Some data collection display

Posted by admin on August 21st, 2014

Reference Oracle AWR. These two was developed by python and perl.

Both of these are following data collection method.

Use these tools can help[……]

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Posted in MYSQL, performance | No Comments »