It's hard to assess how much waste is due to resources being reserved yet unbound (we reserve when scheduling the executor, but those reservations remain unbound until the driver actually requests executors).
After this PR
==COMMIT_MSG==
Report how much resources are currently reserved but unbound
==COMMIT_MSG==
Before this PR
It's hard to assess how much waste is due to resources being reserved yet unbound (we reserve when scheduling the executor, but those reservations remain unbound until the driver actually requests executors).
After this PR
==COMMIT_MSG== Report how much resources are currently reserved but unbound ==COMMIT_MSG==