Camila Scatolini

Improvements to retry middleware

3

This PR adds some improvements to the retry middleware implemented. 1. Allow configuring retry exponential backoff by using `RetryOptions` struct in `EnqueueOptions` 2. Add `RetryMax` field: even though `Retry` can...

For each sender ID, GCM allows 1000 connections in parallel: https://developers.google.com/cloud-messaging/ccs

Should we retry pushed depending on the failure returned in the feedback?

We're often reporting less feedbacks than expected. Usually, when marathon feedback listeners are restarted the consumers act properly and consume the kafka messages. Without restarting the offset stays far behind...

I've received about 20 emails after a simple job was completed.

We could use a buffer or generator to process batches of csv lines. Bonus: upload csv could also send csv in parts to s3.