November 2017
Intermediate to advanced
670 pages
17h 35m
English
Content preview from Learning Functional Programming in Go
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Groking our trace log file
In order to get a deeper understanding of why our attempts failed, we can look in our trace file.
Groking is an old Scots term meaning to look at somebody while they're eating in the hope that they'll give you some of their food. In our case, we'll be looking intently at a trace log file in hope of getting some morsel of understanding:
INFO : 13:46:19 Metrics server listening on 127.0.0.1:3000INFO : 13:46:20 Proxy listening on 127.0.0.1:8080DEBUG : 2017/05/17 13:46:30 requester.go:114: makeRequest:client: 13:46:30 GET http://127.0.0.1:3000DEBUG : 2017/05/17 13:46:30 metrics.go:66: - randInt: 3081DEBUG : 2017/05/17 13:46:31 decorator.go:107: backing off...client: 13:46:31 GET http://web02:3000DEBUG : 2017/05/17 13:46:31 ...