Fujii Masao <masao.fujii@gmail.com> writes:
> On Tue, Dec 18, 2012 at 8:09 PM, Simon Riggs <simon@2ndquadrant.com> wrote:
>> What I'm saying is that the new history file is created from the old
>> one, so the latest file includes all the history as a direct copy. The
>> only thing new is one line of information.
> The timeline history file includes only ancestor timelines history. So
> the latest one might not include all the history.
Indeed. And even if there are a thousand of them, so what? It'd still
be less space than a single WAL segment file.
Better to keep the data than wish we had it later.
regards, tom lane