Logcenter Project architect

August 16, 2017 Architect, Architecture, bigdata, hadoop, hive, network, NoSQL, rdbms No comments

We created a project called LC (log center) for ops department
All member of ops are using this system for analyzing in a lower layer.
We collects[……]

Read more

Facebook WDT Test

March 17, 2017 Architect, backup, hardware, IDC, network, system No comments

We test Facebook WDT tool:

Read this PDD: WDT-TEST[……]

Read more


June 29, 2016 Architect, Architecture, hardware, MYSQL, network No comments

we use tcpcopy to make real traffic on our core systems. Many problems will be found in advance if we enlarge queries several times.

Read this PDF[……]

Read more

How to configure Tcpdump system

July 24, 2015 Architect, Architecture, Internals, MYSQL, network, system No comments

MySQL Tcpdump system : use percona-toolkit to analyze network packages

We can identify problem SQLs with high execution frequency.

With DBMON s[……]

Read more

Oracle DGHA architecture

November 1, 2013 advanced tech, Architect, network, oracle, replication No comments

Download this PDF

Read more

Connection Speeds Compare

February 17, 2013 Architect, network No comments

|bps         |B/s       |network      |storage     |port         |bu[......]

Read more