ALeRCE Alert Processing Framework.
Alert Processing Framework (apf)
apf is a framework developed to create a dockerized pipeline to process an alert stream, that can be easily be deployed in a local machine or distributed using Kubernetes.
First developed to process ZTF data it is capable to be used for any stream/static data processing pipeline.
apf installation can be done with pip
pip install apf_base
This will install the apf python package and apf command line script.
apf is based on steps conected through Apache Kafka topics.
Each step is composed by a consumer and is isolated from other steps inside a docker container.
When running, the step calls the execute() method for each message consumed. A step can have multiple producers and databases back-ends plugins that can be accessed inside the execute method to have a more complex logic.
This generic step greatly reduce the development of each component of the pipeline and make it easier to test each component separately.
- Automatic Metric Sender (KafkaMetrics)
- Automatic Code Generation (
apf new-step <step_name>)
- Multiple Consumer Plugins:
A quick-start guide to create a new step can be found here.
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