Errata

Under the section "Introduction to Domain-Driven Design and Bounded Contexts" when describing the Domain and Subdomain model the text says "The main domain model of an business is discernible through the products". The correct indefinite article for business should be "a".

Typo:
Current Copy:
Examples might include memory-intensive computing instances for caching purporses, or processor-intensive computing instances for applications demanding significant processing power.

Suggested:
"caching purporses, or processor-intensive" should be "caching purposes, or processor-intensive"

"Horizonal" should be "Horizontal"

TYPO:

“Thankfully, microservices provide the flexibility necessary to tailor determinism, latency, and out-of-order event handling characterstics on a per-service basis.”

SHOULD BE:

“Thankfully, microservices provide the flexibility necessary to tailor determinism, latency, and out-of-order event handling characteristics on a per-service basis.”

the linked text "and GPS usage" leads to a URL that throws a 404 error: in.uninett.no/ntp-clock-synch-accuracy-its-time-for-microseconds/

Joined event stream of Partition 2: Key should be 1, not Z.

Map should be (k, v) -> (v.id, v.x), not (k, v) -> (v.id, v)

Here is the sentence:

Lastly, this chapter also covered the important principles underlying events and event-driven logic and provided a first look at managing state in an distributed event-driven world.

The correct indefinite article for the "distributed" adjective must be "a".

The last line reads "but instead can compromise a number of purpose-built"
Should read "but instead can comprise a number of purpose-built"