The goal of the serializer is to provide a serialized front-end to end-users for any operations to the pipeline, and then distribute the operations into safe parallel tasks for pipeline manager.

Maximum entries in an error map or array.

A job is consisted of a name and an operation to be serialized.

pipelineRepairer is responsible to repair a failing pipelineit will retry after the retry_interval.

Specifically APIs used by backfill manager.

External APIs.