IBM User Guide for Java V7 on Windows > Reference > Command-line options > Garbage Collector command-line options

-Xdisableexplicitgc

Disables System.gc() calls.

-Xdisableexplicitgc

Many applications still make an excessive number of explicit calls to System.gc() to request garbage collection. In many cases, these calls degrade performance through premature garbage collection and compactions. However, you cannot always remove the calls from the application.

The -Xdisableexplicitgc parameter allows the JVM to ignore these garbage collection suggestions. Typically, system administrators use this parameter in applications that show some benefit from its use.

By default, calls to System.gc() trigger a garbage collection.

Parent: Garbage Collector command-line options

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