Barbarians at the Gateways - Fascinating read on HFT (High Frequency Trading). Lot to learn as engineers try to squeeze the last drop of responsiveness.
https://t.co/tbrGAA0j7G
So... increasingly cloud servers are getting migrated from x64 to aarch64 and we are going to pretend a move from strong memory model to weak is not going to affect applications? π€·ββοΈ
Anyway, very nice summary on state of the aarch64 architecture in JDK https://t.co/rQc4swxrz0
The book "Beginning Helidon" has been published by @Apress!
Written by our colleagues @m0mus, @DanielKec & @bercut2000 and reviewed by @langer_tomas & David Kral.
Recommended to all who want to create ultrafast cloud-native microservices with #helidon!
Now in all bookstoresπ
Today marks the completion of 28 years of #Java. In addition to making developers lives easier, it has been a treasure trove of great design ideas. To 28 more years π₯ #28YearsOfJava
Short comparison between PermGen(PG) and Metaspace(M).
Common
Separate space for class metadata
Both don't prevent classloader leaks
Diff
PG is fixed size but M auto scales
PG is part of heap but M is part of native memory
PG is java 7 but M is 8 #knowYourJVM
Chanced upon these VM flags -XX:+StressLCM -XX:+StressGCM - they randomize instruction scheduling in LCM/GCM. Original intended semantics will remain the same. Running with these flags will help uncover interesting app behaviors and discover subtle concurβ¦https://t.co/XIKnVZP9Mn