Simon Riggs <simon@2ndQuadrant.com> writes:
> On Wed, 2010-09-29 at 08:44 -0400, Alvaro Herrera wrote:
> So, I think "twice disk space of the sum of table and indexes" would be
> the simplest explanation for safe margin.
>>
>> Agreed.
> Surely the peak space is x3?
> Old space + sort space + new space.
The wording should be something like "CLUSTER requires transient disk
space equal to about twice the size of the table plus its indexes".
regards, tom lane
