Bruce Momjian wrote:

> Have you done any measurements to determine how much backup can be
> skipped using this method for a typical workload, i.e. how many 16MB
> page ranges are not modified in a typical span between incremental
> backups?

That seems entirely dependent on the specific workload.

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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