Mar 12, 2012 · I want to use SQLDeveloper with files that are fairly large. However, performance is sluggish (at best) due to a lack of memory. Assuming that it is a Java app, how can I increase the size of memory allocated to the VM?

Jun 17, 2014 · If you are getting the 'Low Memory Warning' Message Dialog while running # the product, please increase the -Xmx value below from the default 800M to # something greater, like 1024M or 1250M.

You're seeing what the Java Virtual Machine (JVM) is consuming, resource-wise, not the SQL Developer application itself. However, there are some things you can try to avoid memory consumption: disable unused, large extensions like migrations, data miner, data modeler

Feb 1, 2017 · My workstation has 16gb ram. When I am querying larger tables and want to view the entire output. Select * from table I select a cell in the output section and press ctrl+end so all the records will be fetched. I see the followin...

Feb 7, 2012 · Recently, after researching the problem for a while, there appears to be a simple solution to this memory issue. It’s hidden in the application Preferences. Open Preference (Under Tools) and change the option for the Look and Feel from the default Oracle value to Windows.

Feb 20, 2012 · So, if you see SQL Developer running slow or it chewing up the CPU, try switching this preference and restarting the application. Oracle looks better but Windows will run leaner Or if you’re on a Mac

Mar 2, 2009 · Restart SQL Developer. To reduce the memory close only the results pane that has huge result set. TIP: I typically increase JVM memory to 2 GB so SQL Developer does not crash for queries with large result sets.

May 1, 2019 · If you run SQL Developer on Windows and experience high CPU usage and/or memory leak issues that freeze your PC, then you might want to try disabling some features that are likely causing the problem.

Mar 10, 2022 · If you have about 32GB of RAM available, but your SQL Developer limits itself to half a GB, then the files, windows, and code will both load and execute slowly. For this reason, the first step is to make the adjustment to increase the RAM in SQL Developer.

May 30, 2017 · As before, the SQL Developer tool becomes slow and freezes after multiple days of normal use in addition to consuming the large amount of memory. Are there any new recommendations for working around this issue? I installed version 4.2.0.17.089 build 17.089.1709 to test the memory consumption issue.