amazon-swf

Closed . This question is opinion-based. It is not currently accepting answers. Learn more . Want to improve this question? Update the question so it can be answered with facts and citations by editing this post . Closed 6 years ago . There many workflow system out there but I was wondering which one of the open source workflow management system is the closest to the AWS Flow Framework (with Amazon SWF like capability build in)? AWS Flow Framework itself is open source under Apache 2.0 license . Its source code is available on github: https://github.com/aws/aws-swf-flow-library . Update: At

For better or worse, we have migrated our whole LAMP web application from dedicated machines to the cloud (Amazon EC2 machines). It's going great so far but the way we do crons is sub-optimal. I have a Amazon-specific question about how to best manage cron jobs in the cloud using "the Amazon way". The problem : We have multiple webservers, and need to run crons for batch jobs such as creating RSS feeds, triggering emails, many different things actually. BUT the cron jobs need to only run on one machine because they often write to the database so would duplicate the results if run on multiple

I have two servers(EC2 instances). In one server(server 1) i have 5 Batch and on another(server 2) i have 6 Batch. I wrapped each batch into activities and the work flow implementation class is given below. I want to iterate over the activities(entire activities, including server 1 and 2) based on the give execution date. For example, if the date is lesser than the current date then, execute all the activities of both server 1 and 2 starting from the given date up to the current date. If the execution date is equal to current date then, execute all the activities of both server 1 and 2 for