Redis Replication: The `syncCommand` Visualizer

An interactive guide to how a new replica connection is handled.

Scenarios:

Process Log & Explanation

Click a scenario button above to start the visualization.

Master

ONLINE
Replication ID (replid) char*

Replication Offset long long

Backlog History Length (histlen) size_t

Replication Backlog

Replica

OFFLINE
Master's Repl ID (cached) char*

?

Master's Offset (cached) long long

?