=head2 Plugin C<amqp>
-The I<AMQMP plugin> can be used to communicate with other instances of
+The I<AMQP plugin> can be used to communicate with other instances of
I<collectd> or third party applications using an AMQP message broker. Values
are sent to or received from the broker, which handles routing, queueing and
possibly filtering out messages.
means to concatenate the guest name and UUID (with a literal colon character
between, thus I<"foo:1234-1234-1234-1234">).
+At the moment of writing (collectd-5.5), hostname string is limited to 62
+characters. In case when combination of fields exceeds 62 characters,
+hostname will be truncated without a warning.
+
=item B<InterfaceFormat> B<name>|B<address>
When the virt plugin logs interface data, it sets the name of the collected
Port "6379"
Timeout 1000
Prefix "collectd/"
+ Database 1
</Node>
</Plugin>
Values are submitted to I<Sorted Sets>, using the metric name as the key, and
the timestamp as the score. Retrieving a date range can then be done using the
-C<ZRANGEBYSCORE> I<Redis> command. Additionnally, all the identifiers of these
+C<ZRANGEBYSCORE> I<Redis> command. Additionally, all the identifiers of these
I<Sorted Sets> are kept in a I<Set> called C<collectd/values> (or
C<${prefix}/values> if the B<Prefix> option was specified) and can be retrieved
-using the C<SMEMBERS> I<Redis> command. See
+using the C<SMEMBERS> I<Redis> command. You can specify the database to use
+with the B<Database> parameter (default is C<0>). See
L<http://redis.io/commands#sorted_set> and L<http://redis.io/commands#set> for
details.
=item B<Node> I<Nodename>
The B<Node> block identifies a new I<Redis> node, that is a new I<Redis>
-instance running in an specified host and port. The name for node is a
+instance running on a specified host and port. The node name is a
canonical identifier which is used as I<plugin instance>. It is limited to
-64E<nbsp>characters in length.
+51E<nbsp>characters in length.
=item B<Host> I<Hostname>
like C<collectd/cpu-0/cpu-user>. When setting this to something different, it
is recommended but not required to include a trailing slash in I<Prefix>.
+=item B<Database> I<Index>
+
+This index selects the redis database to use for writing operations. Defaults to C<0>.
+
=back
=head2 Plugin C<write_riemann>