Elasticsearch can also be installed from our repositories using
After downloading the latest release and extracting it, elasticsearch can be started using:
Under *nix system, the command will start the process in the foreground.
To run it in the background, add the
-d switch to it:
$ bin/elasticsearch -d
Java (JVM) versionedit
Elasticsearch is built using Java, and requires at least Java 7 in order to run. Only Oracle’s Java and the OpenJDK are supported. The same JVM version should be used on all Elasticsearch nodes and clients.
We recommend installing the Java 8 update 20 or later, or Java 7 update 55 or later. Previous versions of Java 7 are known to have bugs that can cause index corruption and data loss. Elasticsearch will refuse to start if a known-bad version of Java is used. [1.5.0] Added in 1.5.0.
The version of Java to use can be configured by setting the