On 5/6/16 4:55 PM, Peter Geoghegan wrote:
On Fri, May 6, 2016 at 2:49 PM, Andres Freund <and...@anarazel.de> wrote:
Jeff Janes has done astounding work in these matters.  (I don't think
we credit him enough for that.)


+many.

Agreed. I'm a huge fan of what Jeff has been able to do in this area.
I often say so. It would be even better if Jeff's approach to testing
was followed as an example by other people, but I wouldn't bet on it
ever happening. It requires real persistence and deep understanding to
do well.

It takes deep understanding to *design* the tests, not to write them. There's a lot of folks out there that will never understand enough to design tests meant to expose data corruption but who could easily code someone else's design, especially if we provided tools/ways to tweak a cluster to make testing easier/faster (such as artificially advancing XID/MXID).
--
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
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