Comment on Prewarming PostgreSQL I/O cachesparentComments−askmike6y(I am no expert here, I live in userland. But:) Does OS cache persists between reboots? I think this allows the postgres cache to persist between those.−baruch6yNo. OS caches are not saved between reboots.
Comments
(I am no expert here, I live in userland. But:) Does OS cache persists between reboots? I think this allows the postgres cache to persist between those.
No. OS caches are not saved between reboots.