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    I learned alot that I will use on my next build:

    As well as stuff I’ll use in my job:

    • New perf tooling (lately I mostly use perf, https://0x.tools/ by the author of the article look useful)
    • More info about using fio
    • More about schedulers and block device readahead

    I really like the speech bubble annotated stack traces. It mirrors how I often explain things to people 1:1, but I’d never considered presenting the data that way.