diff options
| author | Magnus Hagander <magnus@hagander.net> | 2008-08-25 15:11:01 +0000 |
|---|---|---|
| committer | Magnus Hagander <magnus@hagander.net> | 2008-08-25 15:11:01 +0000 |
| commit | be8d6c5c3477ba664c533cf0b93cdf4cd426b6e1 (patch) | |
| tree | e06835e1fc080896c68ba0c08337f0d2ebc8e03f /doc/src | |
| parent | 8c032adec429983d5b4722f953fe55dc1511b3d9 (diff) | |
Make stats_temp_directory PGC_SIGHUP, and document how it may cause a temporary
"outage" of the statistics views.
This requires making the stats collector respond to SIGHUP, like the other
utility processes already did.
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/config.sgml | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index 0f9b33c0579..3eca0bab845 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.187 2008/08/22 18:47:07 momjian Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.188 2008/08/25 15:11:00 mha Exp $ --> <chapter Id="runtime-config"> <title>Server Configuration</title> @@ -3418,7 +3418,9 @@ COPY postgres_log FROM '/full/path/to/logfile.csv' WITH csv; path relative to the data directory or an absolute path. The default is <filename>pg_stat_tmp</filename>. Pointing this at a RAM based filesystem will decrease physical I/O requirements and can lead to increased - performance. This parameter can only be set at server start. + performance. If this parameter is changed when the system is running, + the statistics functions might return no information until a new + file has been written, which typically happens twice per second. </para> </listitem> </varlistentry> |