Adjusting aPriori heap size

Note: Adjusting heap size is not particularly difficult, but if you get it wrong (such as allocating more memory to heap than actually exists on your machine), you can disable your computer. If you have the slightest doubt about performing these procedures, please contact either your internal IT team, or aPriori Customer Support.

First, determine how big your heap size setting should be by referring to the System Requirements document. By default, aPriori currently ships with heap size set to 4 GB (4096 MB). For the purposes of these examples, we’ll assume that you want to double that setting to 8 GB (8192 MB) but use the number that is correct for your situation.

Then use the procedure below that is correct for your environment to change the setting. Note that you can do this either by editing the aPriori start-up file runStandaloneApriori.cmd, or by setting an environment variable APRIORI_JAVA_OPTS. Make sure to restart aPriori for this change to take effect.