We also use census for a variety of tasks, mainly for metrics but also for propagating small tags from task to task. The tags [1] can be essentially thought of

We also use census for a variety of tasks, mainly for metrics but also for propagating small tags from task to task. The tags [1] can be essentially thought of as request-local scoped state for the entire tree of requests. The presence of these tags can be used to control behavior if you're clever about it. [1] https://opencensus.io/tag/ https://opencensus.io/tag/