The JobCenter, an Orchestration Workflow Engine

By: Wieger Opmeer (‎a6502‎) from
Date: Not scheduled yet.
Duration: 50 minutes
Target audience: Intermediate
Language: English

The JobCenter is an engine for running long orchestration processes in a transaction-safe way. Another way to describe it would be as a collection of job queues where jobs move from queue to queue based on the rules specified in a domain specific language.

The main ingredients:
- the engine itself written in Perl and PL/pgSQL stored procedures
- a JSON-RPC 2.0 based API layer
- a custom modelling language that looks and feels like program code
- easily version controlled
- easily diffable
- Perl libraries for writing clients and workers

In this talk I will present some of the design principles behind the JobCenter, show some implementation highlights and some actual use-cases.

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