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Internal28 Apr 202632% captured

Detect Team - Reliability Sprint Retro

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  1. Chris LeeAegisCloud0:08turn 0ASR 96%

    Alright, I think we've got everyone — Tyler, Ravi, you both here?

  2. Tyler WashingtonAegisCloud0:12turn 1ASR 95%

    Yeah I'm here, just grabbing my coffee real quick.

  3. Ravi GuptaAegisCloud0:16turn 2ASR 92%

    Present, yeah, I've got the sprint board pulled up too so we can go through everything.

  4. Chris LeeAegisCloud0:23turn 3ASR 94%

    Perfect, okay let's just — let's just dive in. So, uh, officially this is the retro for the reliability sprint we kicked off after the March outage, and honestly I want to start by just saying — I think you both crushed it.

  5. Tyler WashingtonAegisCloud0:38turn 4ASR 94%

    Yeah it feels good to finally be on the other side of that honestly, like March was... rough.

  6. Ravi GuptaAegisCloud0:46turn 5ASR 93%

    It really was, man. Six hours of no threat visibility — I don't think I slept great the whole week after that.

  7. Chris LeeAegisCloud0:55turn 6ASR 94%

    Right, and that's exactly why I wanted to make sure we took the time to actually celebrate what came out of this sprint, because the redundant processing nodes, the circuit breaker implementation — that's not trivial work, and you both shipped it clean.

  8. Tyler WashingtonAegisCloud1:11turn 7ASR 89%

    The circuit breaker pattern was honestly the piece I was most nervous about, like getting the threshold tuning right without introducing a bunch of false trips — that took a few iterations.

  9. Ravi GuptaAegisCloud1:22turn 8ASR 94%

    Yeah Tyler and I went back and forth on that a lot, I think we went through like three different threshold configs before we landed on something that felt right.

  10. Chris LeeAegisCloud1:35turn 9ASR 91%

    And how do you both feel about where it landed? Like are you confident in it?

  11. Tyler WashingtonAegisCloud1:41turn 10ASR 89%

    Yeah, honestly yeah. I ran the load simulation again last Thursday and it held up really well, the breaker tripped when it was supposed to and recovered cleanly. I'm feeling good about it.

  12. Ravi GuptaAegisCloud1:53turn 11ASR 90%

    Same, and the redundant nodes are actually performing better than I expected in terms of failover time. We were targeting under thirty seconds and we're consistently hitting like twelve, fourteen seconds in testing.

  13. Chris LeeAegisCloud2:05turn 12ASR 90%

    Wait, twelve seconds? That's — okay that's really good, that's way better than what we scoped out.

  14. Tyler WashingtonAegisCloud2:12turn 13ASR 91%

    Yeah, Ravi deserves credit for that honestly, he made some changes to how the node health checks are structured that I think made a big difference.

  15. Ravi GuptaAegisCloud2:22turn 14ASR 93%

    Aw come on, Tyler helped debug the whole handoff logic, like that was a team thing.

  16. Chris LeeAegisCloud2:29turn 15ASR 92%

    Okay you two are going to make me tear up over here — this is great, seriously. Let's talk about what we want to document out of this sprint because I think there are some really learnable patterns here for the rest of the org.

  17. Tyler WashingtonAegisCloud2:45turn 16ASR 92%

    For sure, I mean the single point of failure thing is not unique to Detect, right, like I was looking at some of the Protect team's architecture and I had some... thoughts.

  18. Ravi GuptaAegisCloud2:58turn 17ASR 89%

    Ha, yeah I mean we don't want to step on anyone's toes but like — sharing what we learned is fair game.

  19. Chris LeeAegisCloud3:07turn 18ASR 91%

    Yeah I'll set up a knowledge share with the broader engineering group, maybe in a couple weeks once we have our runbook polished up. Tyler, would you be willing to present the circuit breaker stuff?

  20. Tyler WashingtonAegisCloud3:21turn 19ASR 92%

    Yeah absolutely, I could put together a quick deck or — honestly it might be better as a live walkthrough of the implementation, just so people can ask questions.

  21. Ravi GuptaAegisCloud3:33turn 20ASR 96%

    Live walkthrough is better, a hundred percent. People zone out on decks.

  22. Chris LeeAegisCloud3:38turn 21ASR 91%

    Agreed, okay let's plan on that. Now — what about the monitoring gaps we identified? Ravi, I know you had some thoughts there.

  23. Ravi GuptaAegisCloud3:47turn 22ASR 88%

    Yeah so, one of the things that made March so bad was that we didn't have great alerting on the event ingestion pipeline itself — like we were monitoring outputs but not really the pipeline health in between, and I think we need to close that gap.

  24. Tyler WashingtonAegisCloud4:04turn 23ASR 88%

    That's a hundred percent right, and actually I started sketching out what a pipeline health dashboard could look like, I can share my screen real quick if you want to see it.

  25. Chris LeeAegisCloud4:17turn 24ASR 97%

    Yeah please, let's see it.

  26. Tyler WashingtonAegisCloud4:20turn 25ASR 95%

    Okay so, um, bear with me, I did this kind of quickly — but the idea is basically real-time visibility into queue depth, node throughput, and then circuit breaker state all in one view.

  27. Ravi GuptaAegisCloud4:34turn 26ASR 90%

    Oh that's clean, I like that. Can we add latency percentiles there too? Like p95, p99?

  28. Tyler WashingtonAegisCloud4:41turn 27ASR 90%

    Yeah for sure, that's an easy add. I just didn't want to over-engineer the first draft.

  29. Chris LeeAegisCloud4:47turn 28ASR 95%

    No this is great Tyler, this is exactly the kind of proactive stuff I want to see. Let's make this a formal item in the next sprint. Can you write it up as a ticket today?

  30. Tyler WashingtonAegisCloud5:01turn 29ASR 89%

    Yeah I'll have it in Jira before EOD.

  31. Chris LeeAegisCloud5:05turn 30ASR 95%

    Perfect. Okay, last thing — and I want to get your honest takes on this — how did the sprint itself feel to run? Like the process, the planning, all of it.

  32. Ravi GuptaAegisCloud5:16turn 31ASR 89%

    Honestly? One of the better sprints I've had in a while. Like yeah it was stressful because of why we were doing it, but the scope was really clear, we knew what we were trying to fix, and we weren't getting pulled in a million directions.

  33. Tyler WashingtonAegisCloud5:33turn 32ASR 92%

    Yeah I'd echo that. Having the explicit reliability focus and not having feature work mixed in — that made a huge difference for being able to just like, think deeply about the problem.

  34. Chris LeeAegisCloud5:46turn 33ASR 96%

    That's really good to hear, and honestly it's something I want to push for more regularly — like maybe a reliability-focused sprint once a quarter even when we're not in crisis mode.

  35. Ravi GuptaAegisCloud5:58turn 34ASR 90%

    Yes, please. I have been wanting to propose that for a while honestly.

  36. Chris LeeAegisCloud6:03turn 35ASR 96%

    Let's make it official then, I'll loop in leadership. Alright, I think that's everything — great work you two, genuinely. March feels very far away right now.

  37. Tyler WashingtonAegisCloud6:14turn 36ASR 96%

    Agreed, and hey — the Comply v2 launch went great last week too so like, good vibes all around at Aegis right now.

  38. Chris LeeAegisCloud6:23turn 37ASR 89%

    Ha, let's keep the momentum going. Thanks everyone, I'll send out the retro notes by end of week.

  39. Ravi GuptaAegisCloud6:31turn 38ASR 94%

    Sounds good, thanks Chris.