PinnedTungdamLinux network ring buffersTrying to cover what I don’t know about Linux networkJan 6, 2022Jan 6, 2022
PinnedTungdamThings you should know to begin playing with Linux tracing tools ( Part I/X )DisclamerJun 24, 20203Jun 24, 20203
TungdamSmall things that helpedHandy Linux network-related things that helped me. Hopefully they’re helpful with you as well. I’m sick at home, can’t sleep and it’s…Dec 1, 2022Dec 1, 2022
TungdamA note on Cilium’s iptables usageAbout how cilium thinks about iptables and how are they using it.Apr 12, 2022Apr 12, 2022
TungdamPractical tracing: a final recapWhat I’ve learned so far about tracingDec 31, 2021Dec 31, 2021
TungdaminCoccoc Engineering BlogPractical Linux tracing part 4: tracing container workloadThe similarity and difference in comparison with normal workloadOct 4, 2021Oct 4, 2021
TungdamOur OKR journey so farA sysadmin’s reflection on several years of practicing OKRJul 1, 2021Jul 1, 2021
TungdaminCoccoc Engineering BlogPractical Linux tracing ( part 3 ): Strategies for adhoc analysisHow to pick the right event[s] to drill down.Jun 30, 2021Jun 30, 2021
TungdamOur lessons on Linux writeback: do “dirty” jobs the right wayNotes how writeback can affect your application’s performanceApr 2, 2021Apr 2, 2021
TungdaminCoccoc Engineering BlogA calm sysadminI promised my team to publish a blog post within last week, to actually meet our humble target for public blog posts last quarter ( We’re…Jan 7, 2021Jan 7, 2021