Обсуждение: pgsql: Document that the pg_upgrade user of rsync might want to skip so

Document that the pg_upgrade user of rsync might want to skip some
files, like postmaster.pid.

Backpatch to 9.2.

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/69451b09686e591468e6b7b959544974b724cbe8

Modified Files
--------------
doc/src/sgml/pgupgrade.sgml |    4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)