Обсуждение: pgsql: Docs: explain contrib/pg_stat_statements' handling of GC failure

Docs: explain contrib/pg_stat_statements' handling of GC failure.

Failure to perform garbage collection now has a user-visible effect, so
explain that and explain that reducing pgss_max is the way to prevent it.
Per gripe from Andrew Dunstan.

Branch
------
REL9_5_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/d62359144da19297b13b2abf6c7d5d9220cfdf28

Modified Files
--------------
doc/src/sgml/pgstatstatements.sgml |   18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)