The fresh new Et reason can be used for real-big date stream processing, batch control, or analytics. It is critical to remain sending position on the waiting line on a regular basis. For instance, it is very important knowing the final sign on or need time regarding a user to keep track of the final day they went along to Tinder. To take action, the new pulse(?? ) was stored most of the ten full minutes, and this data is consumed by the professionals(a good scheduler) in the waiting line. The employees will then upgrade every piece of information on the DB facing the specific affiliate in addition to last up-to-date date.

Dynamo DB ‘s the prominent database to have Tinder(Dynamo DB will bring TTL have). Immediately after a heartbeat is sent regarding cell phone on the queue and you can ate, the TTL(For you personally to Real time) is set so you’re able to a day. The newest scheduler will know and therefore info keeps timed in the brand new Dynamo DB and publish announcements into the member correctly from Notice Scheduler. When the content is decrease on alerts waiting line A, the notification professionals tend to figure it out. If a working relationship has already been establish, it will utilize the established link with notify the user. In case the effective partnership is not readily available it spends a yahoo notification to deliver the fresh new notification into associate. Continue reading →