Bruno Ramirez created HADOOP-18887:
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Summary: Java 17 Runtime Support
Key: HADOOP-18887
URL: https://issues.apache.org/jira/browse/HADOOP-18887
Project: Hadoop Common
Issue Type: New Feature
Components: build
Reporter: Bruno Ramirez
This JIRA feature aims to extend the Java runtime support for Hadoop to include
Java 17 in addition to Java 8 and Java 11. Currently Hadoop version 3.3.6
supports Java 8 compile and Java 8/11 runtime. The goal is to make Hadoop
compatible with Java 17 runtime as well.
The plan for this release is to allow Hadoop to default to Java 11/Java 17,
while still providing the flexibility for customers to configure Hadoop to use
Java 8, Java 11, or Java 17 based on their specific needs. This project's
objectives include:
# Certifying that Hadoop works seamlessly on Java 8/11/17 for common use cases.
# Ensuring that running Hadoop on Java 11/17 does not disrupt other
applications and libraries such as Spark, Hive, Flink, Presto/Trino, and HBase.
The decision to support Java 17 runtime is motivated by customer requests and
significant performance improvements observed in downstream applications like
Apache Hive and Apache Spark. The testing process encompasses unit tests,
integration tests, and performance tests, as well as verifying the proper
functioning of all Hadoop daemons with Java 17.
The project will address compile time issues across various Hadoop components,
ensuring that Hadoop remains compatible with Java 17 throughout the entire
codebase.
This ticket serves as a vital step in enhancing Hadoop's capabilities,
providing customers with more choices and improved performance for their big
data processing needs.
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