A7Partitions, ordering and consumer groups

The problem

1 s on screen = 100 ms

How do you read a log faster without mixing up each account's events?

One log, one consumer

60 events a second from 126 accounts go into one log, read by one consumer, one event at a time.

Live metrics for each version of the scene
One reader	Three readers	Partitions
—	—	—
0	0	0
0	0	0

A7Partitions, ordering and consumer groups

Splitting a log into partitions gives parallelism, with order kept only within a partition. A hot key makes one partition the bottleneck.