02Logs, metrics and traces: what is each one good at, and which do you reach for first in an incident?▼easyNewDatadogAtlassianAccentureunlockedMetrics tell you something is wrong, traces tell you where, logs tell you why. Answering in that order is also the order you should open them at 3am, and it is what stops an incident starting in a log search.Open full answer →
10You are paged at 3am: a production node is at 100% disk. What do you do, in order?▼mediumNewAmazonTCSInfosys1 repliesunlockedTests the mitigate-before-diagnose reflex under time pressure, plus whether you know the two ways a disk can be full and the trap that makes freed space not come back.Open full answer →
