Swift Configuration

Swift uses a single configuration file called swift.properties. The swift.properties file is responsible for:

1. Defining how to interface with schedulers

2. Defining app names and locations

3. Defining various other swift settings and behavior

Here is an example swift.properties file.

# Define a site named sandyb
site.sandyb {
tasksPerWorker=16
taskWalltime=00:05:00
jobManager=slurm
jobQueue=sandyb
maxJobs=1
workdir=/scratch/midway/$USER/work
filesystem=local
}
# Define sandyb apps
app.sandyb.echo=/bin/echo
# Define other swift properties
sitedir.keep=true
wrapperlog.always.transfer=true
# Select which site to run on
site=sandyb

The details of this file will be explained more later. Let’s first look at an example of running Swift. Using the swift.properties the new Swift command a user would run is:

$ swift script.swift

That is all that is needed. Everything Swift needs to know is defined in swift.properties.

Conclusion

In this page (written and validated by A. Gawali) you learned about Swift Configuration . What's Next? If you are interested in completing Swift tutorial, your next topic will be learning about: Swift Location of swift properties.

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