[GENERAL] When to reload and when to restart?

[Francisco Reyes]

Is there a list anywyere of what config changes take effect after a reload 
and which after a restart?

Reading over a number of settings to optimize performance, but would like to 
know what settings require restart.. other than trying to use show to see if 
the change took effect.

Can all variables be seen from "show all" in psql?

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