On 3/23/17 21:47, Jeff Janes wrote:
> I have a pg_restore which predicts the file 5 files ahead of the one it
> was asked for, and initiates a pre-fetch and decompression of it. Then
> it delivers the file it was asked for, either by pulling it out of the
> pre-staging area set up by the N-5th invocation, or by going directly to
> the archive to get it.  This speeds up play-back dramatically when the
> files are stored compressed and non-local.

Yeah, some better support for prefetching would be necessary to avoid
having to have any knowledge of the file naming.

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

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