3 ms·
>Since these tunables are not dynamically adjustable, we manually patched the running process to avoid sleeping in this case. Holy crap. You wrote a jump into
by dice 11y ago
>Since these tunables are not dynamically adjustable, we manually patched the running process to avoid sleeping in this case.
Holy crap. You wrote a jump into an active process' memory space?
- bcantrill 11y agoWhile I have hot-patched program text on production machines many times in my career, in this case it was a bit simpler in that we were dynamically changing the value of a variable. The effect was instant; our chat logs from the time captured our visceral reaction to the resulting performance improvement.[1] [1] https://twitter.com/bcantrill/status/628320729898045440 https://twitter.com/bcantrill/status/628320729898045440