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opensearch-docs-cn/_opensearch/install/compatibility.md

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default Compatibility Install OpenSearch 2

Operating system and JVM compatibility

  • We recommend installing OpenSearch on RHEL- or Debian-based Linux distributions that use systemd, such as CentOS, Amazon Linux 2, and Ubuntu (LTS). OpenSearch should work on many Linux distributions, but we only test a handful.
  • The OpenSearch tarball ships with a compatible version of Java in the jdk directory. To find its version, run ./jdk/bin/java -version. For example, the OpenSearch 1.0.0 tarball ships with Java 15 (non-LTS).

{% comment %}./jdk/bin/java -version doesn't work on macOS with zsh at the moment, and I have no idea why. Maybe we need a macOS artifact. Regardless, the command works on Amazon Linux 2 with bash and presumably other distros. - aetter{% endcomment %}

To use a different Java installation, set the OPENSEARCH_JAVA_HOME environment variable to the Java install location. We recommend Java 11 (LTS), but OpenSearch also works with Java 8.

OpenSearch version Compatible Java versions Recommended operating systems
1.x 8, 11 Red Hat Enterprise Linux 7, 8; CentOS 7, 8; Amazon Linux 2; Ubuntu 16.04, 18.04, 20.04