On 11/8/16 3:48 PM, Robert Haas wrote:
> First question: Do we even want this?  Generally, when a program
> writes to a file, we rely on the operating system to decide when that
> data should be written back to disk.  We have to override that
> distinction for things internal to PostgreSQL because we need certain
> bits of data to reach the disk in a certain order, but it's unclear to
> me how far outside the core database system we want to extend that.

I had voiced a similar concern previously:

At the time, there were no other comments, so we went ahead with it,
which presumably gave encouragement to pursue the current patch.

Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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