about me

I’m a full-time systems-engineer, part-time iOS developer, working and living in Běijīng

I use git, vim, textmate.

I prefer Gentoo and Fedora to Ubuntu

résumé

contact

ruby -e "require 'base64'; puts Base64.decode64('LS0tCkxpdSBMYW50YW86CiAgRW1haWw6IGxpdWxhbnRhb0BnbWFpbC5jb20KICBUd2l0dGVyOiBodHRwczovL3R3aXR0ZXIuY29tL2xpdWxhbnRhbwogIFdlaWJvOiBodHRwOi8vd2VpYm8uY29tLzE2NTM2NDQyMjAvcHJvZmlsZQogIFFROiAxMDMwNzQKICBTaXRlczoKICAtIGh0dHA6Ly9ibG9nLmxpdWxhbnRhby5jb20KICAtIGh0dHA6Ly9taWIuY2MK')"

skills

• System adminstration
• Linux kernel tuning and troubleshooting
• Ruby/shell progamming
• Nginx, Squid and LVS
• iOS and andriod performance issue debug.
• knowledge about javascript, python, php, object-c, etc.

job experience

• 2009.6 to 2013.12 : renren.com – system engineer, senior system engineer, technical manager

  • Develop website monitor systems based on nagios, xulrunner, rrdtools
  • Realtime real-user-performance measurement tools and analyze with hadoop, establish QoS standards system.
  • Build large scale CDN systems for renren.com with Nginx, Squid and other technologis.
  • Online system performance tuning and troubleshooting
  • Leading a team of system engineer, provide system support to Dev teams.

• 2014.01 till now : dajie.com – Senior System Operation Manager

  • System operation and MIS

education

• 2005.9 Beijing Normal University – Bachelor of Computer Science