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YouTube

Learnings from Migrating a Production Service from JDK 8 to JDK 11

Devoxx via YouTube

Overview

Explore the journey of migrating major services from JDK 8 to JDK 11 using Amazon Corretto in this 29-minute Devoxx conference talk. Delve into code and dependency changes required for the migration, performance measurement techniques, and the safe deployment process across multiple production regions. Learn about Amazon Crypto Provider, Lambda Architecture, and methods for measuring latency, garbage collection, and heap memory. Discover insights on longterm support, string handling improvements, and security considerations. Follow the speaker's experiences with broken tests, argument matching, and staging processes. Gain valuable knowledge on GC pauses, compact strings, and their impact on latencies. Conclude with a summary of results and participate in a Q&A session led by Yishai Galatzer, manager of the Artifacts and Languages group in AWS Developer Tools.

Syllabus

Introduction
Amazon Crypto Provider
Lambda Architecture
Measuring Latency
Measuring Garbage Collection
Heap Memory After GC
Measure Application Allocation Rate
Measure Application Allocation Rate Per Request
What are we doing now
Longterm support
Strings
String Amazon
Coder
String Deduplication
Upgrading
Broken tests
Security
Argument Matcher
Makeda
Lambda
Staging
GC pauses
Compact strings
Latencies
Results
Summary
Questions

Taught by

Devoxx

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