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by devnull3 230 days ago
In most production cases, there is no luxury of debugger.

In my current $job, all we get is logs from 70+ node cluster and that too in a shared-nothing architecture. You have to stitch together varied datapoints (job logs on multiple nodes, netstat o/p, job logs of other services, http access logs, tcpdump, etc) to even prove that problem is on the customer side and not ours.