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I bumped the limit up to 2 GB, which is where i've left it for IntelliJ IDEA. When the IDE is mostly idle (with 10-20 opened source files), it generally uses around 0.5 GB of RAM. When i'm writing code, using autocomplete, reading documentation, running Maven actions, using the suggestions functionality (basically IntelliSense + some plugins), using refactoring functionality etc., then the memory usage can be bumped up to 1 GB. When the code is running, the memory usage can get closer to the 2 GB limit, when using debugger functionality, recompiling classes on the fly and so on. Personally, i haven't bumped the limit up higher, because i still need the memory for the actual Java processes of the services that i launch, since under normal circumstances i need at least 16 GB of RAM for all of the services to even run properly (but that may as well be a project related issue, since scheduled processes and a number of other optional things run locally, nor are all of them configured with Xmx and other parameters), though that's less relevant to the actual IDE performance (since i have swap turned off and it doesn't have an impact). |