How can I increase my SBT memory?

How can I increase my SBT memory?

How can I increase my SBT memory?

Increase Memory for sbt and Maven It is possible to start Maven and sbt with increased memory. We recommend you increase the Maximum Metaspace size and the Thread Stack size. These values can be set using -Xss2M -XX:MaxMetaspaceSize=1024M . The exact values may depend on your hardware and your code base.

What is the SBT test?

Physiology : Serum bactericidal titer (SBT) test is employed to determine the effect of anti-microbial treatment in a patient. The test helps to estimate the dilution of bacteria in the serum and in determining the efficacy of treatment, especially in patients with conditions like endocarditis and osteomyelitis.

How do I run a SBT test?


  1. On the command line, create a new directory somewhere.
  2. cd into the directory and run sbt new scala/scalatest-example.g8.
  3. Name the project ScalaTestTutorial .
  4. The project comes with ScalaTest as a dependency in the build. sbt file.
  5. cd into the directory and run sbt test .

Does sbt test compile?

The following commands will make sbt watch for source changes in the Test and Compile (default) configurations respectively and re-run the compile command. Note that because Test / compile depends on Compile / compile , source changes in the main source directory will trigger recompilation of the test sources.

Does sbt run tests in parallel?

sbt maps each test class to a task. sbt runs tasks in parallel and within the same JVM by default.

What causes out of memory error in Java?

OutOfMemoryError exception. Usually, this error is thrown when there is insufficient space to allocate an object in the Java heap. In this case, The garbage collector cannot make space available to accommodate a new object, and the heap cannot be expanded further.

What is MaxPermSize?

What it does. The -XX:MaxPermSize option specifies the maximum size for the permanent generation, which is the memory holding objects such as classes and methods. Properly tuning this parameter can reduce memory issues in the permanent generation.

What is SurvivorRatio?

The SurvivorRatio parameter controls the size of the two survivor spaces. For example, -XX:SurvivorRatio=6 sets the ratio between each survivor space and eden to be 1:6, each survivor space will be one eighth of the young generation.

How run sbt project from command line?

Running the project

  1. cd into hello-world .
  2. Run sbt . This will open up the sbt console.
  3. Type ~run . The ~ is optional and causes sbt to re-run on every file save, allowing for a fast edit/run/debug cycle. sbt will also generate a target directory which you can ignore.