The errata list is a list of errors and their corrections that were found after the product was released.
The following errata were submitted by our customers and have not yet been approved or disproved by the author or editor. They solely represent the opinion of the customer.
Color Key: Serious technical mistake Minor technical mistake Language or formatting error Typo Question Note Update
| Version | Location | Description | Submitted by | Date submitted |
|---|---|---|---|---|
| Other Digital Version | Chapter 1. Observability. Two Competing Models for Telemtry Figure 1-4 Caption |
Figure 1-4. Caption refers to `db_query_start` but the graphic shows `db.query_cart`. |
Emil Sit | Aug 16, 2026 |
| Page 79 Last paragraph |
At the end of the page it says that when creating a new span we can inherit the spanID if one exists, but I think they mean inherit a traceID. |
Rafael Berenguel | Aug 20, 2026 | |
| Page 407 figure 22-3 |
It was not entirely clear what the arrows in the figure are pointing to. I suspect they indicate the right edge of the `controller_ms` span—is that correct? |
Akihiro Takizawa | Nov 06, 2026 | |
| Page 595 content index |
The alphabetical index cannot be found; only the title "index" is present. |
Rodolfo Sirpa Calderón | Jul 11, 2026 |