On 2014-02-24 15:05:37 -0800, Peter Geoghegan wrote:
> On Mon, Feb 24, 2014 at 1:17 PM, Andres Freund <and...@2ndquadrant.com> wrote:
> > We somehow need to have a policy of testing changes to the WAL format
> > without full_page_writes. They hide bugs in replay far, far too often.
> What's the easiest way to get atomic page writes at the FS level on
> your laptop? ZFS or some data journaling FS, I suppose.

TBH I don't care about torn pages during normal testing. I don't want to
suggest disabling it for real workloads with real data, just that it's
important to do so during development/testing of WAL related code,
because otherwise it will hide/fixup many errors.


Andres Freund

 Andres Freund                     http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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