23 lines
1.3 KiB
Markdown
23 lines
1.3 KiB
Markdown
---
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layout: default
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title: Compatibility
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parent: Install OpenSearch
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nav_order: 2
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---
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# Operating System Compatibility
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We recommend installing OpenSearch on RHEL or Debian-based Linux distributions that use [systemd](https://en.wikipedia.org/wiki/Systemd), such as CentOS, Amazon Linux 2, and Ubuntu (LTS). OpenSearch should work on many Linux distributions, but we only test a handful. We recommend Red Hat Enterprise Linux 7 or 8, CentOS 7 or 8, Amazon Linux 2, Ubuntu 16.04, 18.04, or 20.04 for any version of OpenSearch.
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# Java Compatibility
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The OpenSearch distribution for Linux ships with a compatible [Adoptium JDK](https://adoptium.net/) version of Java in the `jdk` directory. To find the JDK version, run `./jdk/bin/java -version`. For example, the OpenSearch 1.0.0 tarball ships with Java 15.0.1+9 (non-LTS), OpenSearch 1.3.0 ships with Java 11.0.14.1+1 (LTS), and OpenSearch 2.0.0 ships with Java 17.0.2+8 (LTS). OpenSearch is tested with all compatible Java versions.
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OpenSearch Version | Compatible Java Versions | Bundled Java Version
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:---------- | :-------- | :-----------
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1.0 - 1.2.x | 11, 15 | 15.0.1+9
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1.3.x | 8, 11, 14 | 11.0.14.1+1
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2.0.0 | 11, 17 | 17.0.2+8
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To use a different Java installation, set the `OPENSEARCH_JAVA_HOME` or `JAVA_HOME` environment variable to the Java install location.
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