~/talk

Java ON 2024 Day 3

on YouTube 04h 29m
Talkat Java ON 2024 · 2024-11-12..11-14· [java]

speakers

name:Evgeny Borisov
x:jekaborisov
name:Roman Meerson
links:none on file
name:Yevgen Mospan
links:none on file
name:Joao Paulo Sanchez
links:none on file
name:Anna Chernysheva
links:none on file
name:Jessica Kerr
website:https://jessitron.com

resources

video:https://youtu.be/RFihXgiC5Vs
slides:none on file

summary

Panel shows practical wins: Java 21 virtual threads reduce blocking — a demo sends 32 concurrent requests against an 8-thread pool and drops total time from ~12s to ~3s by unmounting blocked stacks onto platform threads. Testcontainers talk gives actionable fixes: use wait strategies and modules (startup examples drop ~8s→2s), avoid hardcoded ports/names and prefer singleton lifecycle for suites. Observability segment demos the OTLP Java agent + collector + dynamic tail sampling (keep error traces, sample successes) and shows end-to-end traces tied to logs.

AI-written summary · about

chapters (6)

  1. 0:00Start
  2. 15:50Opening Day 3
  3. 17:00Joao Paulo Sanchez (EPAM, Lead Software Engineer) - Virtual Threads - what we won or lose using it
  4. 18:05Anna Chernysheva (Docker) - Testcontainers best practices
  5. 19:10Jessica Kerr (Honeycomb.io, Observability Advocate) - What is your app really doing? Make it tell you with OpenTelemetry.
  6. 20:10Closing

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