Jvm uses the client vm make sure to run java with the server vm for best performance by adding -server to the command line – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 2.3-2.3

Briefly, this error occurs when Elasticsearch is running on a Java Virtual Machine (JVM) in client mode instead of server mode. This can lead to suboptimal performance. To resolve this issue, you can add “-server” to the Java command line when starting Elasticsearch. This will ensure that the JVM runs in server mode, which is optimized for long-running applications like Elasticsearch. Alternatively, you can set the JAVA_OPTS environment variable to “-server” to apply this setting globally.

This guide will help you check for common problems that cause the log ” jvm uses the client vm; make sure to run `java` with the server vm for best performance by adding `-server` to the command line ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: bootstrap and client.

Log Context

Log “jvm uses the client vm; make sure to run `java` with the server vm for best performance by adding `-server` to the command line” classname is Bootstrap.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

         }

        // warn if running using the client VM
        if (JvmInfo.jvmInfo().getVmName().toLowerCase(Locale.ROOT).contains("client")) {
            ESLogger logger = Loggers.getLogger(Bootstrap.class);
            logger.warn("jvm uses the client vm; make sure to run `java` with the server vm for best performance by adding `-server` to the command line");
        }

        try {
            if (!foreground) {
                Loggers.disableConsoleLogging();




 

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