Bump version to 4.9.4; Update ChangeLog.

[collectd.git] / README

diff --git a/README b/README
index 405681e..2cb0a6f 100644 (file)
--- a/README
+++ b/README
@@ -40,6 +40,9 @@ Features
     - conntrack
       Number of nf_conntrack entries.
 
+    - contextswitch
+      Number of context switches done by the operating system.
+
     - cpu
       CPU utilization: Time spent in the system, user, nice, idle, and related
       states.
@@ -148,6 +151,10 @@ Features
       MySQL server statistics: Commands issued, handlers triggered, thread
       usage, query cache utilization and traffic/octets sent and received.
 
+    - netapp
+      Plugin to query performance values from a NetApp storage system using the
+      “Manage ONTAP” SDK provided by NetApp.
+
     - netlink
       Very detailed Linux network interface and routing statistics. You can get
       (detailed) information on interfaces, qdiscs, classes, and, if you can
@@ -210,6 +217,15 @@ Features
     - protocols
       Counts various aspects of network protocols such as IP, TCP, UDP, etc.
 
+    - python
+      The python plugin implements a Python interpreter into collectd. This
+      makes it possible to write plugins in Python which are executed by
+      collectd without the need to start a heavy interpreter every interval.
+      See collectd-python(5) for details.
+
+    - routeros
+      Query interface and wireless registration statistics from RouterOS.
+
     - rrdcached
       RRDtool caching daemon (RRDcacheD) statistics.
 
@@ -294,6 +310,10 @@ Features
       you can easily do weird stuff with the plugins we didn't dare think of
       ;) See collectd-perl(5).
 
+    - python
+      It's possible to implement write plugins in Python using the python
+      plugin. See collectd-python(5) for details.
+
     - rrdcached
       Output to round-robin-database (RRD) files using the RRDtool caching
       daemon (RRDcacheD) - see rrdcached(1). That daemon provides a general
@@ -326,6 +346,10 @@ Features
       Log messages are propagated to plugins written in Perl as well.
       See collectd-perl(5).
 
+    - python
+      It's possible to implement log plugins in Python using the python plugin.
+      See collectd-python(5) for details.
+
     - syslog
       Logs to the standard UNIX logging mechanism, syslog.
 
@@ -355,12 +379,19 @@ Features
       Notifications are propagated to plugins written in Perl as well.
       See collectd-perl(5).
 
+    - python
+      It's possible to implement notification plugins in Python using the
+      python plugin. See collectd-python(5) for details.
+
   * Value processing can be controlled using the "filter chain" infrastructure
     and "matches" and "targets". The following plugins are available:
 
     - match_empty_counter
       Match counter values which are currently zero.
 
+    - match_hashed
+      Match values using a hash function of the hostname.
+
     - match_regex
       Match values by their identifier based on regular expressions.
 
@@ -376,6 +407,9 @@ Features
     - target_replace
       Replace parts of an identifier using regular expressions.
 
+    - target_scale
+      Scale (multiply) values by an arbitrary value.
+
     - target_set
       Set (overwrite) entire parts of an identifier.
 
@@ -392,7 +426,7 @@ Features
     network plugins, makes sure your resources are used efficiently. Also,
     since collectd is programmed multithreaded it benefits from hyperthreading
     and multicore processors and makes sure that the daemon isn't idle if only
-    one plugins waits for an IO-operation to complete.
+    one plugin waits for an IO-operation to complete.
 
   * Once set up, hardly any maintenance is necessary. Setup is kept as easy
     as possible and the default values should be okay for most users.
@@ -507,6 +541,10 @@ Prerequisites
     Unsurprisingly used by the `mysql' plugin.
     <http://dev.mysql.com/>
 
+  * libnetapp (optional)
+    Required for the “netapp” plugin.
+    This library is part of the “Manage ONTAP SDK” published by NetApp.
+
   * libnetlink (optional)
     Used, obviously, for the `netlink' plugin.
     <http://www.linuxfoundation.org/en/Net:Iproute2>
@@ -532,6 +570,9 @@ Prerequisites
     Used to capture packets by the `dns' plugin.
     <http://www.tcpdump.org/>
 
+  * libperfstat (optional)
+    Used by various plugins to gather statistics under AIX.
+
   * libperl (optional)
     Obviously used by the `perl' plugin. The library has to be compiled with
     ithread support (introduced in Perl 5.6.0).
@@ -541,6 +582,14 @@ Prerequisites
     The PostgreSQL C client library used by the `postgresql' plugin.
     <http://www.postgresql.org/>
 
+  * libpython (optional)
+    Used by the `python' plugin. Currently, only 2.3 ≦ Python < 3 is supported.
+    <http://www.python.org/>
+
+  * librouteros (optional)
+    Used by the `routeros' plugin to connect to a device running `RouterOS'.
+    <http://verplant.org/librouteros/>
+
   * librrd (optional)
     Used by the `rrdtool' and `rrdcached' plugins. The latter requires RRDtool
     client support which was added after version 1.3 of RRDtool. Versions 1.0,