![]() 1 Start Protege by Protege.exe/Protege or by double-cliking on the Protege icon (Windows/Linux).So in this case you will have to set up the run.bat script method of starting Protege. Note that for 64 bit windows machines there is a but in InstallAnywhere that prevents the user from setting the heap size over something like 1.5G. There are several ways of setting the heap size depending on how you run Protege. INFO 11:34:25 Framework: Apache Software Foundation (1.8) The console or the log during startup will look something like this: Protege will print out the memory settings as they start. The best way to know if you have succeeded in changing the memory settings is to look at the console when Protege starts up. If your system does not have 100MB of free memory then even the Protege default value is too big and you should make it smaller (or buy more memory). The most common source of very slow performance on older systems (or laptops) is having the heap size set too large. It will also improve the performance of the database back-end since more memory is available for caching. On Linux machines, you can use the wonderful proc filesystem and look at the meminfo "file".īoosting the heap size parameter will allow you to read in larger file-based projects. On Mac machines, click the apple (upper left hand corner and "about this mac"). On Windows XP machines you can determine your free physical memory from the Performance tab of the Task Manager application. A rule of thumb is that you should not set this parameter larger than about 80% of your free physical memory. If you set it too high then your system will hang or you will suffer poor performance because parts of the jvm will be swapped in and out of memory. If you set it too low then you will get "out of memory" errors. You must be careful about setting the heap size parameter. Save my name, email, and website in this browser for the next time I comment.Recommendations for setting the heap size (read first!) Your email address will not be published. That’s all about Java’s -Xmx and -Xms parameters. This feature is quite useful where memory footprint is a concern. Java 13 has introduced a new feature in Z garbage collector where it will uncommit the memory to CPU but it won’t uncommit below -Xms parameter, so if you put -Xms and -Xmx as equal, it will basically disable this feature. Please note that it is quite important to set -Xms and -Xmx parameters correctly. The -X options are non-standard and subject to change without notice. Override default application name displayed in dock Run the main() method on the first (AppKit) thread The following options are Mac OS X specific: These extra options are subject to change without notice. Set the version of the source in source-file mode. In JAR files or further argument file expansion ![]() Override or augment a module with classes and resources This option will be removed in a future release. ![]() is one of “deny”, “permit”, “warn”, or “debug” ![]() Permit or deny access to members of types in named modules (Linux Only) show host system or container configuration and continue Show all vm related settings and continue Show all locale related settings and continue Require using shared class data, otherwise fail. Use shared class data if possible (default) Reduce use of OS signals by Java/VM (see documentation) Sets the initial and maximum size (in bytes) of the heap ![]() Perform additional checks for JNI functionsįorces compilation of methods on first invocationĮnable strictest checks, anticipating future defaultĭisplays more detailed JVM version information than the Apples-MacBook-Pro-5:~ apple$ java -X -Xbatchĭisable background compilation -Xbootclasspath/a: ![]()
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