On 2015-12-17 15:56:35 +0900, Michael Paquier wrote:
> On Thu, Dec 17, 2015 at 3:44 PM, Simon Riggs <si...@2ndquadrant.com> wrote:
> > For me, rewriting the visibility map is a new data loss bug waiting to
> > happen. I am worried that the group is not taking seriously the potential
> > for catastrophe here.
> FWIW, I'm following this line and merging the vm file into a single
> unit looks like a ticking bomb.

And what are those risks?

> We may really want a separate _vm file, like _vmf to track this new
> bit flag but this has already been mentioned largely upthread...

That'd double the overhead when those bits get unset.

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