Linux - Top 10 Performance commands

less than 1 minute read

1. uptime
2. dmesg | tail
3. vmstat 1
4. mpstat -P ALL 1
5. pipstat 1
6. iostat -xz 1
7. free -m
8. sar -n DEV 1
9. sar -n TCP, ETCP 1
10. top

Java - JFR create a new configuration from existing one

less than 1 minute read

Creating a new custom(custom.jfc) JFR configuration from the existing profile.jfc

less than 1 minute read

Nice example how Javascript can have a unit test with fetch call by mocking.

less than 1 minute read

Signal will be standard in JavaScript?

less than 1 minute read

LangChain JS example with Llama cpp for embeddings and prompt.