X-RAY (new)

Question 1

What is X-RAY?

Answer 1

A distributed tracing service used for visualising, understanding and debugging distributed apps and microservices

Receives data it organises into segments, groups into traces, processes requests to generate a service graph.

Question 2

What is X-RAY useful for?

Answer 2

Identifying bottlenecks
Understanding dependencies
Troubleshooting issues

Question 3

How can you use X-RAY and Cloud Watch?

Answer 3

X-RAY identifies the issue
Cloud Watch displays details about the issue on a dashboard

Question 4

What is the name of the tracing header?

Answer 4

X-Amzn-Trace-Id

Question 5

What does the tracing header (X-Amzn-Trace-Id) contain?

Answer 5

trace id
segment id (parent id)
sampling decision
flags
options

Question 6

What does GetTraceSummaries API return?

Answer 6

returns trace summarise (high level)

Question 7

What does BatchGetTraces API return?

Answer 7

returns detail info about traces using their trace id’s

Question 8

How long is Service Graph data stored for?

Answer 8

30 days

Question 9

What does purple colour on the Service Graph indicate?

Answer 9

Throttling

Question 10

What is the max number of annotations per trace

Answer 10

50

Question 11

Can you add annotations and metadata to a segment or subsegment?

Answer 11

Yes