Only retry on request errors with 5XX status code and use exponential backoff #1146
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Also, switch to exponential backoff to give the servers more breathing
room.
Tries in seconds:
0, 1, 2, 4, 8, 16, 16, 16... for up to 3 minutes total.
This was referenced Aug 31, 2018
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Implements #1114 and changes from random retry every second or so to exponential backoff.
This should be more reliable for when the back-end servers are temporarily overwhelmed.
Tries in seconds:
0, 1, 2, 4, 8, 16, 16, 16... for up to 3 minutes total.
cc @priyatharsan