PinnedTungdamLinux network ring buffersTrying to cover what I don’t know about Linux network7 min read·Jan 6, 2022----
PinnedTungdamThings you should know to begin playing with Linux tracing tools ( Part I/X )Disclamer12 min read·Jun 24, 2020--2--2
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…5 min read·Dec 1, 2022----
TungdamA note on Cilium’s iptables usageAbout how cilium thinks about iptables and how are they using it.6 min read·Apr 12, 2022----
TungdamPractical tracing: a final recapWhat I’ve learned so far about tracing3 min read·Dec 31, 2021----
TungdaminCoccoc Engineering BlogPractical Linux tracing part 4: tracing container workloadThe similarity and difference in comparison with normal workload7 min read·Oct 4, 2021----
TungdamOur OKR journey so farA sysadmin’s reflection on several years of practicing OKR7 min read·Jul 1, 2021----
TungdaminCoccoc Engineering BlogPractical Linux tracing ( part 3 ): Strategies for adhoc analysisHow to pick the right event[s] to drill down.6 min read·Jun 30, 2021----
TungdamOur lessons on Linux writeback: do “dirty” jobs the right wayNotes how writeback can affect your application’s performance8 min read·Apr 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…4 min read·Jan 7, 2021----