![]() *** Date: Saturday, 29 June 2019 at 17:59:35 Singapore Standard Time XX:CompileCommand=exclude,javax/swing/text/GlyphView,getBreakSpot If you are dealing with larger data increasing the maximum heap space can potentially save you a lot of execution time :). However, please feel free to adapt Xms and Xmx according to your needs. since we update with 4.0 the garbage collection algorithm resizing your heap-space is not as costly as it used to be anymore. This will increase the initial heap space used by the JVM and change the total value to. If you want KNIME to use more than 512M right from the start simply add the command Just give it a try by using, e.g., a Data Generator node and increase the number of rows created to something big. Once you execute a workflow that requires more than 512M RAM the JVM will automatically ask for more and increase the total value to at most the value provided by -Xmx. The last number depends on your knime.ini settings. Heap size: of total 512M (in your case) max: 2048M Hey you please mouse over the heap status bar? It should say something like
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