diff options
Diffstat (limited to 'check_postgres.pl')
| -rwxr-xr-x | check_postgres.pl | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/check_postgres.pl b/check_postgres.pl index d3c55815e..0314c5599 100755 --- a/check_postgres.pl +++ b/check_postgres.pl @@ -8812,15 +8812,14 @@ and the name of the database on the fourth line. =head2 B<hot_standby_delay> (C<symlink: check_hot_standby_delay>) Checks the streaming replication lag by computing the delta -between the xlog position of a master server and the one of the slaves connected to it. The slave_ -server must be in hot_standby (e.g. read only) mode, therefore the minimum version to use this_ -action is Postgres 9.0. The I<--warning> and I<--critical> options are the delta between xlog -location. These values should match the volume of transactions needed to have the streaming -replication disconnect from the master because of too much lag. - -You must provide information on how to reach the second database by a connection -parameter ending in the number 2, such as "--dbport2=5543". If if it not given, -the action fails. +between the current xlog position of a master server and the replay location of a slave connected +to it. The slave server must be in hot_standby (e.g. read only) mode, therefore the minimum version to use +this action is Postgres 9.0. The I<--warning> and I<--critical> options are the delta between the xlog +locations. Since these values are byte offsets in the WAL they should match the expected transaction volume +of your application to prevent false postives or negatives. + +The first "--dbname", "--host", and "--port", etc. options are considered the +master; the second belongs to the slave. =head2 B<index_size> |