March 2021
Intermediate to advanced
260 pages
5h 45m
English
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Make Servers Discoverable
Our resolver will need a way to discover the cluster’s servers. It needs to know each server’s address and whether or not it is the leader. In Implement Raft in Our Service, we built Raft into our service, which knows the cluster’s server and what server is the leader. We can expose this information to the resolver with an endpoint on our gRPC service.
Using an RPC for discovery will be easy because we built Serf and Raft into our service already. Kafka clients discover the cluster’s brokers by requesting a metadata endpoint. Kafka’s metadata endpoint responds with data that’s stored and coordinated with ZooKeeper, though the Kafka developers plan to remove the dependency on ZooKeeper and build Raft into Kafka to ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.