Best free resources for SRE prep — what's actually worth your time
Compiling a list of what's actually useful for SRE prep after going through a lot of material that wasn't. Wanted to share what worked for me and hopefully save others some time.
For practice test specifically, the free resources are surprisingly good. The sre error budgets & sli/slo management has questions that closely match real exam difficulty — not dumbed-down versions that give you false confidence.
What I'd skip: most YouTube "pass in one week" content. The explanations are surface-level and don't prepare you for the applied questions on the actual SRE exam. Flashcards alone also aren't enough for this one.
What actually worked: timed practice sets with immediate review of wrong answers, reading the official reference material for any concept that came up more than twice, and finding one study partner for the study guide sections. The social accountability made a bigger difference than I expected.
Bookmarking this. I'm still in the early stages of SRE prep and threads like this are way more useful than generic study guides. The specifics about exam prep are particularly helpful — that's the section I've been avoiding.
Good thread. One thing I'd add: don't try to cram the night before. I did 2 hours the night before my SRE and I think it hurt more than helped. Your brain needs consolidation time. Light review or full rest is better.
Same experience here. The sre error budgets & sli/slo management was what finally made it click for me — specifically the way it explains the reasoning rather than just giving answers. Took me 2 weeks of consistent practice but scores went from 69% to 82% by exam day.
Good thread. One thing I'd add: don't try to cram the night before. I did 3 hours the night before my SRE and I think it hurt more than helped. Your brain needs consolidation time. Light review or full rest is better.
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