The Strymon open source edition currently contains of a single repository called strymon-core, containing the publish-subscribe mechanism as well as a simple example application.

Directory structure

• apps/

  The example applications shipped with Strymon core. Please refer to how to run an example for more information about them.

• src/

  This folder contains the source code for the crates which form the core of the Strymon publish-subscribe mechanism and execution run-time.

  • strymon_cli: This binary crate contains the implementation of the strymon command-line interface.

  • strymon_job: Client library for writing custom Strymon jobs. This crate also implements the publish-subscribe protocol.

  • strymon_coordinator: The implementation and internal APIs of the coordinator and catalog.

  • strymon_executor: The default executor implementation and job spawning logic for native executables.

  • strymon_rpc: The message types used for remote-procedure calls between the different Strymon components.

  • strymon_model: Common data type definitions, used mainly in the catalog.

  • strymon_communication: Low-level networking code used for communication between the different components of Strymon.

• bin/

  The command-line utility for interacting with the Strymon cluster. Their usage is documented in here.

• conf/

  Folder for configuration files. At present, contains a default host file for running the executors. The conf/executors file shall contain a single host name per line. Note that the scripts currently do not support running more than one executor per machine.

• logs/

  The default destination for log files created by the coordinator and executor instances.

• jobs/

  A temporary working directory for storing the artifacts of running jobs. Each job process gets its own directory: jobs/<submission-timestamp>_<job-id>/<process-index>/