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curl_json plugin: support arrays
[collectd.git]
/
README
diff --git
a/README
b/README
index
34caa85
..
3d47897
100644
(file)
--- a/
README
+++ b/
README
@@
-37,6
+37,9
@@
Features
Name server and resolver statistics from the `statistics-channel'
interface of BIND 9.5, 9,6 and later.
Name server and resolver statistics from the `statistics-channel'
interface of BIND 9.5, 9,6 and later.
+ - cgroups
+ CPU accounting information for process groups under Linux.
+
- conntrack
Number of nf_conntrack entries.
- conntrack
Number of nf_conntrack entries.
@@
-83,6
+86,9
@@
Features
- entropy
Amount of entropy available to the system.
- entropy
Amount of entropy available to the system.
+ - ethstat
+ Network interface card statistics.
+
- exec
Values gathered by a custom program or script.
See collectd-exec(5).
- exec
Values gathered by a custom program or script.
See collectd-exec(5).
@@
-125,8
+131,16
@@
Features
- load
System load average over the last 1, 5 and 15 minutes.
- load
System load average over the last 1, 5 and 15 minutes.
+ - lpar
+ Detailed CPU statistics of the “Logical Partitions” virtualization
+ technique built into IBM's POWER processors.
+
- libvirt
- libvirt
- CPU, disk and network I/O statistics from virtual machines.
+ CPU, memory, disk and network I/O statistics from virtual machines.
+
+ - lvm
+ Size of “Logical Volumes” (LV) and “Volume Groups” (VG) of Linux'
+ “Logical Volume Manager” (LVM).
- madwifi
Queries very detailed usage statistics from wireless LAN adapters and
- madwifi
Queries very detailed usage statistics from wireless LAN adapters and
@@
-136,6
+150,10
@@
Features
Motherboard sensors: temperature, fanspeed and voltage information,
using mbmon(1).
Motherboard sensors: temperature, fanspeed and voltage information,
using mbmon(1).
+ - md
+ Linux software-RAID device information (number of active, failed, spare
+ and missing disks).
+
- memcachec
Query and parse data from a memcache daemon (memcached).
- memcachec
Query and parse data from a memcache daemon (memcached).
@@
-147,6
+165,10
@@
Features
Memory utilization: Memory occupied by running processes, page cache,
buffer cache and free.
Memory utilization: Memory occupied by running processes, page cache,
buffer cache and free.
+ - mic
+ Collects CPU usage, memory usage, temperatures and power consumption from
+ Intel Many Integrated Core (MIC) CPUs.
+
- modbus
Reads values from Modbus/TCP enabled devices. Supports reading values
from multiple "slaves" so gateway devices can be used.
- modbus
Reads values from Modbus/TCP enabled devices. Supports reading values
from multiple "slaves" so gateway devices can be used.
@@
-188,6
+210,9
@@
Features
Network UPS tools: UPS current, voltage, power, charge, utilisation,
temperature, etc. See upsd(8).
Network UPS tools: UPS current, voltage, power, charge, utilisation,
temperature, etc. See upsd(8).
+ - numa
+ Information about Non-Uniform Memory Access (NUMA).
+
- olsrd
Queries routing information from the “Optimized Link State Routing”
daemon.
- olsrd
Queries routing information from the “Optimized Link State Routing”
daemon.
@@
-208,6
+233,9
@@
Features
write your own plugins in Perl and return arbitrary values using this
API. See collectd-perl(5).
write your own plugins in Perl and return arbitrary values using this
API. See collectd-perl(5).
+ - pf
+ Query statistics from BSD's packet filter "pf".
+
- pinba
Receive and dispatch timing values from Pinba, a profiling extension for
PHP.
- pinba
Receive and dispatch timing values from Pinba, a profiling extension for
PHP.
@@
-235,6
+263,10
@@
Features
collectd without the need to start a heavy interpreter every interval.
See collectd-python(5) for details.
collectd without the need to start a heavy interpreter every interval.
See collectd-python(5) for details.
+ - redis
+ The redis plugin gathers information from a redis server, including:
+ uptime, used memory, total connections etc.
+
- routeros
Query interface and wireless registration statistics from RouterOS.
- routeros
Query interface and wireless registration statistics from RouterOS.
@@
-248,6
+280,11
@@
Features
- serial
RX and TX of serial interfaces. Linux only; needs root privileges.
- serial
RX and TX of serial interfaces. Linux only; needs root privileges.
+ - sigrok
+ Uses libsigrok as a backend, allowing any sigrok-supported device
+ to have its measurements fed to collectd. This includes multimeters,
+ sound level meters, thermometers, and much more.
+
- snmp
Read values from SNMP (Simple Network Management Protocol) enabled
network devices such as switches, routers, thermometers, rack monitoring
- snmp
Read values from SNMP (Simple Network Management Protocol) enabled
network devices such as switches, routers, thermometers, rack monitoring
@@
-263,6
+300,10
@@
Features
Follows (tails) logfiles, parses them by lines and submits matched
values.
Follows (tails) logfiles, parses them by lines and submits matched
values.
+ - tail_csv
+ Follows (tails) files in CSV format, parses each line and submits
+ extracted values.
+
- tape
Bytes and operations read and written on tape devices. Solaris only.
- tape
Bytes and operations read and written on tape devices. Solaris only.
@@
-288,6
+329,9
@@
Features
- users
Users currently logged in.
- users
Users currently logged in.
+ - varnish
+ Various statistics from Varnish, an HTTP accelerator.
+
- vmem
Virtual memory statistics, e. g. the number of page-ins/-outs or the
number of pagefaults.
- vmem
Virtual memory statistics, e. g. the number of page-ins/-outs or the
number of pagefaults.
@@
-308,6
+352,10
@@
Features
* Output can be written or sent to various destinations by the following
plugins:
* Output can be written or sent to various destinations by the following
plugins:
+ - amqp
+ Sends JSON-encoded data to an Advanced Message Queuing Protocol (AMQP)
+ server, such as RabbitMQ.
+
- csv
Write to comma separated values (CSV) files. This needs lots of
diskspace but is extremely portable and can be analysed with almost
- csv
Write to comma separated values (CSV) files. This needs lots of
diskspace but is extremely portable and can be analysed with almost
@@
-343,11
+391,25
@@
Features
needed. Please read collectd-unixsock(5) for a description on how that's
done.
needed. Please read collectd-unixsock(5) for a description on how that's
done.
+ - write_graphite
+ Sends data to Carbon, the storage layer of Graphite using TCP or UDP. It
+ can be configured to avoid logging send errors (especially useful when
+ using UDP).
+
- write_http
Sends the values collected by collectd to a web-server using HTTP POST
requests. The transmitted data is either in a form understood by the
Exec plugin or formatted in JSON.
- write_http
Sends the values collected by collectd to a web-server using HTTP POST
requests. The transmitted data is either in a form understood by the
Exec plugin or formatted in JSON.
+ - write_mongodb
+ Sends data to MongoDB, a NoSQL database.
+
+ - write_redis
+ Sends the values to a Redis key-value database server.
+
+ - write_riemann
+ Sends data to Riemann, a stream processing and monitoring system.
+
* Logging is, as everything in collectd, provided by plugins. The following
plugins keep up informed about what's going on:
* Logging is, as everything in collectd, provided by plugins. The following
plugins keep up informed about what's going on:
@@
-427,6
+489,14
@@
Features
* Miscellaneous plugins:
* Miscellaneous plugins:
+ - aggregation
+ Selects multiple value lists based on patterns or regular expressions
+ and creates new aggregated values lists from those.
+
+ - threshold
+ Checks values against configured thresholds and creates notifications if
+ values are out of bounds. See collectd-threshold(5) for details.
+
- uuid
Sets the hostname to an unique identifier. This is meant for setups
where each client may migrate to another physical host, possibly going
- uuid
Sets the hostname to an unique identifier. This is meant for setups
where each client may migrate to another physical host, possibly going
@@
-504,6
+574,10
@@
Prerequisites
* libclntsh (optional)
Used by the `oracle' plugin.
* libclntsh (optional)
Used by the `oracle' plugin.
+ * libcredis (optional)
+ Used by the redis plugin. Please note that you require a 0.2.2 version
+ or higher. <http://code.google.com/p/credis/>
+
* libcurl (optional)
If you want to use the `apache', `ascent', `curl', `nginx', or `write_http'
plugin.
* libcurl (optional)
If you want to use the `apache', `ascent', `curl', `nginx', or `write_http'
plugin.
@@
-549,6
+623,10
@@
Prerequisites
Used by the `memcachec' plugin to connect to a memcache daemon.
<http://tangent.org/552/libmemcached.html>
Used by the `memcachec' plugin to connect to a memcache daemon.
<http://tangent.org/552/libmemcached.html>
+ * libmnl (optional)
+ Used by the `netlink' plugin.
+ <http://www.netfilter.org/projects/libmnl/>
+
* libmodbus (optional)
Used by the “modbus” plugin to communicate with Modbus/TCP devices. The
“modbus” plugin works with version 2.0.3 of the library – due to frequent
* libmodbus (optional)
Used by the “modbus” plugin to communicate with Modbus/TCP devices. The
“modbus” plugin works with version 2.0.3 of the library – due to frequent
@@
-563,10
+641,6
@@
Prerequisites
Required for the “netapp” plugin.
This library is part of the “Manage ONTAP SDK” published by NetApp.
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>
-
* libnetsnmp (optional)
For the `snmp' plugin.
<http://www.net-snmp.org/>
* libnetsnmp (optional)
For the `snmp' plugin.
<http://www.net-snmp.org/>
@@
-610,6
+684,10
@@
Prerequisites
are supported.
<http://www.python.org/>
are supported.
<http://www.python.org/>
+ * librabbitmq (optional; also called “rabbitmq-c”)
+ Used by the AMQP plugin for AMQP connections, for example to RabbitMQ.
+ <http://hg.rabbitmq.com/rabbitmq-c/>
+
* librouteros (optional)
Used by the `routeros' plugin to connect to a device running `RouterOS'.
<http://verplant.org/librouteros/>
* librouteros (optional)
Used by the `routeros' plugin to connect to a device running `RouterOS'.
<http://verplant.org/librouteros/>
@@
-656,6
+734,10
@@
Prerequisites
Parse JSON data. This is needed for the `curl_json' plugin.
<http://github.com/lloyd/yajl>
Parse JSON data. This is needed for the `curl_json' plugin.
<http://github.com/lloyd/yajl>
+ * libvarnish (optional)
+ Fetches statistics from a Varnish instance. This is needed for the Varnish plugin
+ <http://varnish-cache.org>
+
Configuring / Compiling / Installing
------------------------------------
Configuring / Compiling / Installing
------------------------------------