perl plugin: Fixed a bug in Collectd::plugin_unregister_data_set().

[collectd.git] / README

diff --git a/README b/README
index 37eee3e..2a5502c 100644 (file)
--- a/README
+++ b/README
@@ -69,16 +69,28 @@ Features
       Iptables' counters: Number of bytes that were matched by a certain
       iptables rule.
 
+    - ipvs
+      IPVS connection statistics (number of connections, octets and packets
+      for each service and destination).
+      See http://www.linuxvirtualserver.org/software/index.html.
+
     - irq
       IRQ counters: Frequency in which certain interrupts occur.
 
     - load
       System load average over the last 1, 5 and 15 minutes.
 
+    - libvirt
+      CPU, disk and network I/O statistics from virtual machines.
+
     - mbmon
       Motherboard sensors: temperature, fanspeed and voltage information,
       using mbmon(1).
 
+    - memcached
+      Statistics of the memcached distributed caching system.
+      <http://www.danga.com/memcached/>
+
     - memory
       Memory utilization: Memory occupied by running processes, page cache,
       buffer cache and free.
@@ -105,6 +117,10 @@ Features
       NFS Procedures: Which NFS command were called how often. Only NFSv2 and
       NFSv3 right now.
 
+    - nginx
+      Collects statistics from `nginx' (speak: engine X), a HTTP and mail
+      server/proxy.
+
     - ntp
       NTP daemon statistics: Local clock drift, offset to peers, etc.
 
@@ -117,9 +133,6 @@ Features
       write your own plugins in Perl and return arbitrary values using this
       API. See collectd-perl(5).
 
-      This plugin is still considered to be experimental and subject to change
-      between minor releases.
-
     - ping
       Network latency: Time to reach the default gateway or another given
       host.
@@ -145,6 +158,9 @@ Features
     - tape
       Bytes and operations read and written on tape devices. Solaris only.
 
+    - tcpconns
+      Number of TCP connections to specific local and remote ports.
+
     - users
       Users currently logged in.
 
@@ -261,16 +277,19 @@ Prerequisites
     platforms.
 
   * libcurl (optional)
-    If you want to use the `apache' plugin
+    If you want to use the `apache' and/or `nginx' plugins.
 
   * libiptc (optional)
     For querying iptables counters.
 
   * libmysqlclient (optional)
+    Unsurprisingly used by the `mysql' plugin.
 
   * libnetlink (optional)
+    Used, obviously, for the `netlink' plugin.
 
   * libnetsnmp (optional)
+    For the `snmp' plugin.
 
   * liboping (optional, if not found a version shipped with this distribution
     can be used)
@@ -279,6 +298,10 @@ Prerequisites
   * libpcap (optional)
     Used to capture packets by the `dns' plugin.
 
+  * libperl (optional)
+    Obviously used by the `perl' plugin. The library has to be compiled with
+    ithread support (introduced in Perl 5.6.0).
+
   * librrd (optional; headers and library; rrdtool 1.0 and 1.2 both work fine)
     If built without `librrd' the resulting binary will be `client only', i.e.
     will send its values via multicast and not create any RRD files itself.
@@ -286,7 +309,7 @@ Prerequisites
     instead.
 
   * libsensors (optional)
-    To read from `lm_sensors'.
+    To read from `lm_sensors', see the `sensors' plugin.
 
   * libstatgrab may be used to collect statistics on systems other than Linux
     and/or Solaris. Note that CPU- and disk-statistics, while being provided
@@ -305,6 +328,9 @@ Prerequisites
     For compiling on Darwin in general and the `apple_sensors' plugin in
     particular.
 
+  * libvirt (optional)
+    Collect statistics from virtual machines.
+
 
 Configuring / Compiling / Installing
 ------------------------------------