pageserver: implement "emergency mode" for starting without a control plane #5381
Labels
c/storage/pageserver
Component: storage: pageserver
t/feature
Issue type: feature, for new features or requests
Dependency on:
Once we persist a LocationConf that contains a generation, then it is possible (but inadvisable) for the pageserver to start up and skip the
re-attach
call to the control plane.This is only appropriate in a major incident where the time to recover the control plane would exceed an acceptable downtime for the pageservers.
This will be a global pageserver configuration property, which skips re-attach, and also skips attempts to validate deletions.
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