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Apache: Big Data North America 2017 will be held at the Intercontinental Miami in Miami, Florida. 

Register now for the event taking place May 16-18, 2017. 
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Thursday, May 18 • 9:00am - 9:50am
Java 9 Support in Apache Hadoop - Akira Ajisaka, NTT DATA

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Java 9 is the next major version and will be GA in July 2017, and it's very important for Apache Hadoop to support Java 9 earlier. Hadoop has many downstream projects and it makes the projects to support Java 9 easily. Java 9 has more incompatible changes than any earlier releases. For example, Project Coin (JEP 213) banned '_' as an identifier and Hadoop Web UI is affected. In this session, Akira will introduce what are the incompatible changes and what we need to do to support Java 9 in Hadoop. Classpath isolation is also an important issue for Hadoop. Hadoop has many dependencies, and the developers who write applications running on Hadoop need to be careful not to conflict the classpath. Java 9 Jigsaw feature is expected to solve this 'jar hell' problem but Hadoop does not use the feature for now. Akira will also introduce how Hadoop community solves the problem without Jigsaw.

Speakers
avatar for Akira Ajisaka

Akira Ajisaka

Software Engineer, NTT DATA Corporation
Akira Ajisaka is a software engineer working at NTT DATA, Japan. He belongs to OSS Professional Services team and deploys and operates Hadoop clusters for customers. He sometimes troubleshoots them by investigating source code and creating patches to fix the problem. He is an Apa... Read More →



Thursday May 18, 2017 9:00am - 9:50am
Balmoral

Attendees (14)