On 7/9/19 6:07 AM, Peter Eisentraut wrote:
> On 2019-07-08 18:09, Joe Conway wrote:
>> In my mind, and in practice to a
>> large extent, a postgres tablespace == a unique mount point.
>
> But a critical difference is that in file systems, a separate mount
> point has its own journal.
While it would be ideal to have separate WAL, and even separate shared
buffer pools, per tablespace, I think that is too much complexity for
the first implementation and we could have a single separate key for all
WAL for now. The main thing I don't think we want is e.g. a 50TB
database with everything encrypted with a single key -- for the reasons
previously stated.
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