Commits on Apr 8, 2024

1. redfishpower: adapt status polling interval …

   Problem: The status polling interval is hard coded to 1 second long.
   This can result in an excessive number of polling messages being sent
   when it is known that some hardware takes 20-60 seconds to complete
   a power operation.
   
   As an example, on an HPE Cray Supercomputing EX chassis, the power on
   of a node takes around 50 seconds, while a power off takes around 6 seconds.
   
   Solution: Support a modified "exponential backoff" of the status polling
   interval.  The modified algorithm is based on observations of how long it
   typically takes to complete power operations on hardware.  The status
   polling interval begins at one second, but it gets capped at 4 seconds.

   

   chu11 committed Apr 8, 2024
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