On 8/15/16 2:39 PM, David Steele wrote:
That patch got me thinking about what else could be excluded and after some investigation I found the following: pg_notify, pg_serial, pg_snapshots, pg_subtrans. These directories are all cleaned, zeroed, or rebuilt on server start.
If someone wanted to scratch an itch, it would also be useful to put things that are zeroed under a single dedicated directory, so that folks who wanted to could mount that on a ram drive. It would also be useful to do that for stuff that's only reset on crash (to put it on local storage as opposed to a SAN).
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