SQLite-backed job store with WAL mode enabled.
Jobs are persisted synchronously. On VM restart, :queued and :running
jobs are reloaded. :running jobs are reset to :queued so workers can
reclaim them.
Configuration
config :my_app, :job_store, Core.JobStore.SQLite
config :my_app, :job_store_opts, database: "priv/jobs.db"Requires {:exqlite, "~> 0.29"} in your mix.exs deps.