From: Tom Hughes <tom@compton.nu>
Date: Tue, 13 Aug 2013 10:33:06 +0000 (+0100)
Subject: Fix tracking of postgres replication delay
X-Git-Url: https://git.openstreetmap.org/chef.git/commitdiff_plain/1da44136718f65e2fb02ef2249c98395b69cf9da

Fix tracking of postgres replication delay
---

diff --git a/cookbooks/munin/files/default/plugins/postgres_replication b/cookbooks/munin/files/default/plugins/postgres_replication
index a41af7d3b..4a04d0b0e 100755
--- a/cookbooks/munin/files/default/plugins/postgres_replication
+++ b/cookbooks/munin/files/default/plugins/postgres_replication
@@ -9,12 +9,7 @@ my $pg = Munin::Plugin::Pgsql->new(
     title     => 'PostgreSQL replication delay',
     info      => 'Replication delay',
     vlabel    => 'Seconds',
-    basequery =>
-        "SELECT
-           CASE
-             WHEN pg_last_xlog_receive_location() = pg_last_xlog_replay_location() THEN 0::int
-             ELSE (extract(epoch FROM now()) - extract(epoch FROM pg_last_xact_replay_timestamp()))::int
-           END AS delay",
+    basequery => "SELECT (extract(epoch FROM now()) - extract(epoch FROM pg_last_xact_replay_timestamp()))::int AS delay",
     pivotquery => 1,
     configquery =>
         "VALUES ('delay','Replication delay')"