Re: Update comment for README.HOT

Tom Lane wrote:
> Bruce Momjian <bruce@momjian.us> writes:
> > + This means that UPDATE, DELETE, and SELECT can trigger space
> > + reclamation, while INSERT ... VALUES cannot because it does not retrieve
> > + a row.
> 
> I don't believe that's correct.  It might have happened to work that way
> for you in a particular test.  It's certainly not something I'd document
> as being intended long-term behavior.

Well, I would like to document something about this because I was
surprised that when INSERT did not trigger a cleanup.  I realize we
might change the behavior but then we would update the file too,
hopefully.

How is the attached version using "often"?  I also clarified it is < 10%
free.

I found this while doing tests for a new MVCC talk I will be delivering
at PG West.

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +