X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fcollectd.conf.pod;h=56bab99ab808001875127d039af3f7dd806a1d92;hb=6258e772d808f4e76ea8e23d9e2750cfc7e6c60d;hp=9bb348f71a1cad5500b28da2494bad6e30cd9e70;hpb=a09f2fdf0450eb76317e1b7575a12ffb926068f4;p=collectd.git diff --git a/src/collectd.conf.pod b/src/collectd.conf.pod index 9bb348f7..56bab99a 100644 --- a/src/collectd.conf.pod +++ b/src/collectd.conf.pod @@ -150,12 +150,27 @@ plugins that don't provide any configuration, e.g. the I. When set to B, various statistics about the I daemon will be collected, with "collectd" as the I. Defaults to B. -The "write_queue" I reports the number of elements currently -queued and the number of elements dropped off the queue by the -B/B mechanism. +The following metrics are reported: -The "cache" I reports the number of elements in the value list -cache (the cache you can interact with using L). +=over 4 + +=item C + +The number of metrics currently in the write queue. You can limit the queue +length with the B and B options. + +=item C + +The number of metrics dropped due to a queue length limitation. +If this value is non-zero, your system can't handle all incoming metrics and +protects itself against overload by dropping metrics. + +=item C + +The number of elements in the metric cache (the cache you can interact with +using L). + +=back =item B I [I] @@ -2267,7 +2282,7 @@ expected from them. This is documented in great detail in L. =head2 Plugin C The C plugin provides statistics about used, unused and total number of -file handles. +file handles on Linux. The I provides the following configuration options: @@ -2489,7 +2504,7 @@ a more detailed description see B below. =item B I|I -If no configuration if given, the B-plugin will collect data from +If no configuration if given, the B-plugin will collect data from all interfaces. This may not be practical, especially for loopback- and similar interfaces. Thus, you can use the B-option to pick the interfaces you're interested in. Sometimes, however, it's easier/preferred @@ -2498,6 +2513,23 @@ do that: By setting B to I the effect of B is inverted: All selected interfaces are ignored and all other interfaces are collected. +It is possible to use regular expressions to match interface names, if the +name is surrounded by I and collectd was compiled with support for +regexps. This is useful if there's a need to collect (or ignore) data +for a group of interfaces that are similarly named, without the need to +explicitly list all of them (especially useful if the list is dynamic). +Example: + + Interface "lo" + Interface "/^veth/" + Interface "/^tun[0-9]+/" + IgnoreSelected "true" + +This will ignore the loopback interface, all interfaces with names starting +with I and all interfaces with names starting with I followed by +at least one digit. + + =back =head2 Plugin C @@ -2538,9 +2570,13 @@ a notification is sent. =item B I I [I [I]] -Select the rules to count. If only I
and I are given, this plugin -will collect the counters of all rules which have a comment-match. The comment -is then used as type-instance. +=item B I
I [I [I]] + +Select the iptables/ip6tables filter rules to count packets and bytes from. + +If only I
and I are given, this plugin will collect the counters +of all rules which have a comment-match. The comment is then used as +type-instance. If I or I is given, only the rule with the matching comment or the Ith rule will be collected. Again, the comment (or the number) will be @@ -4271,6 +4307,18 @@ Default: C =head2 Plugin C +The C plugin collects per-peer ntpd data such as time offset and time +dispersion. + +For talking to B, it mimics what the B control program does on +wire - using B specific requests. This mode is deprecated with +newer B releases (4.2.7p230 and later). For the C plugin to work +correctly with them, the ntp daemon must be explicitly configured to +enable B (which is disabled by default). Refer to the I +manual page for details. + +Available configuration options for the C plugin: + =over 4 =item B I @@ -6998,6 +7046,10 @@ by the hypervisor, which is equal to setting B. B means use the guest's UUID. +You can also specify combinations of these fields. For example B +means to concatenate the guest name and UUID (with a literal colon character +between, thus I<"foo:1234-1234-1234-1234">). + =back =head2 Plugin C @@ -7470,7 +7522,7 @@ Synopsis: Values are submitted to I, using the metric name as the key, and the timestamp as the score. Retrieving a date range can then be done using the -C I command. Additionnally, all the identifiers of these +C I command. Additionally, all the identifiers of these I are kept in a I called C and can be retrieved using the C I command. See L and L for @@ -7488,9 +7540,9 @@ options are available: =item B I The B block identifies a new I node, that is a new I -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. It is limited to -64Echaracters in length. +51Echaracters in length. =item B I @@ -7586,7 +7638,7 @@ C. =item B B|B -If set the B, append the name of the I (DS) to the +If set to B, append the name of the I (DS) to the "service", i.e. the field that, together with the "host" field, uniquely identifies a metric in I. If set to B (the default), this is only done when there is more than one DS.