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summary
Migrates AWS Lambda backend from JDK 8 to JDK 11 with zero service-code changes and automated rollouts of hundreds of services per day, reporting a single classpath issue when switching from Oracle JDK to Amazon Corrado. Highlights include using an Amazon Corrado crypto provider for faster crypto, required test rewrites after upgrading Mockito, and measurable wins: compact strings and G1 collector shrink heap and lower latency. Recommends keeping dependencies current, running a string-duplication flag in test to estimate memory gains, and automating Java-home swaps.
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chapters (8)
- 0:00Start
- 0:41What Is Amazon Corrado
- 2:33External Customers
- 3:45What Have You Contributed to Open Jdk
- 6:10Migrating on aws Service from Jdk 8 To Jdk 11
- 10:59Profiler at Amazon
- 12:30Lambda Migration
- 15:44Compact Strings
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