[collectd] Version 4.8.0 available

[Florian Forster]

Hello everybody,

I'm pleased to announce version 4.8.0 of collectd, the system statistics
collection daemon, after roughly 4 months of development. This release
adds many new features, including eight new plugins, increasing the
total plugin count to 89!

Highlights of the new features are:

  * Support for DERIVE data source types. This improves handling of
    counters which are reset occasionally and was a much requested
    feature for a long time.

  * The cURL-JSON plugin reads JSON files using the cURL library and
    parses the contents according to user specification. Among other
    things, this allows to read statistics from CouchDB and Hadoop
    servers.

  * The GenericJMX plugin allows to query arbitrary data from a Java
    process using the Java Management Extensions (JMX). This makes is
    possible to collect statistics from application servers, such as
    Tomcat.


Download
--------

The new version is available as tarballs from collectd’s homepage,
<http://collectd.org/>. To download the tarballs directly use the
following download links:

  * http://collectd.org/files/collectd-4.8.0.tar.bz2
    Size:    ~1.2 MBytes
    SHA-1:   82c0b93fc504461901701539cc1f0ad7994e21a7
    SHA-512: b29c6519dcd3d3f9525280663be96c447a8436de432f4abce7d53401f98b6523793905177cd45827f81101f9d10373d4277b7174ed221f917ecb77d47f80ca14

  * http://collectd.org/files/collectd-4.8.0.tar.gz
    Size:    ~1.6 MBytes
    SHA-1:   813170b5d6529a8f8eede883c188a5fb3174ddde
    SHA-512: de9dd29f5080c72d48640e69665d9b733a6b5476ebef6755696b0ed350a38c5aa2456353d9d90461aa87bc3dc61157f086a5e9a7c371f9417fc6e648c785697d


Thanks
------

Many thanks to everybody to helped make this release possible!
The people who contributed to this release are:

  Aman Gupta
  Andrés J. Díaz
  Anthony Dewhurst
  Doug MacEachern
  Erik Cunningham
  Mariusz Gronczewski
  Matthew Sporleder
  Mirko Buffoni
  Ondrej Zajicek
  Paul Sadauskas
  Stefan Völkel

Thanks guys, your work is much appreciated!


ChangeLog
---------
2009-09-13, Version 4.8.0
  * collectd: Two new data source types, “DERIVE” and “ABSOLUTE”, have
    been added. “DERIVE” can be used for counters that are reset
    occasionally. Thanks to Mariusz Gronczewski for implementing this.
  * thresholds: The advanced threshold options “Percentage”, “Hits”, and
    “Hysteresis” have been added. Thanks to Andrés J. Díaz for hit
    patches.
  * curl_json plugin: The new cURL-JSON plugin reads JSON files using
    the cURL library and parses the contents according to user
    specification. Among other things, this allows to read statistics
    from a CouchDB instance. Thanks to Doug MacEachern for the patch.
  * df plugin: Using the new “ReportByDevice” option the device rather
    than the mount point can be used to identify partitions. Thanks to
    Paul Sadauskas for the patch.
  * dns plugin: The possibility to ignore numeric QTypes has been added.
    Thanks to Mirko Buffoni for the patch.
  * GenericJMX plugin: The new, Java-based GenericJMX plugin allows to
    query arbitrary data from a Java process using the “Java Management
    Extensions” (JMX).
  * madwifi plugin: The new MadWifi plugin collects information about
    Atheros wireless LAN chipsets from the MadWifi driver. Thanks to
    Ondrej Zajicek for his patches.
  * network plugin: The receive- and send-buffer-sizes have been made
    configurable, allowing for bigger and smaller packets. Thanks to
    Aman Gupta for the patch.
  * olsrd plugin: The new OLSRd plugin queries routing information from
    the “Optimized Link State Routing” daemon.
  * rrdtool plugin: A new configuration option allows to define a random
    write delay when writing RRD files. This spreads the load created by
    writing RRD files more evenly. Thanks to Mariusz Gronczewski for the
    patch.
  * swap plugin: The possibility to collect swapped in/out pages has
    been added to the Swap plugin. Thanks to Stefan Völkel for the
    patch.
  * tokyotyrant plugin: The new TokyoTyrant plugin reads the number of
    records and file size from a running Tokyo Tyrant server. Thanks to
    Paul Sadauskas for the patch.
  * write_http plugin: The new Write HTTP plugin sends the values
    collected by collectd to a web-server using HTTP POST requests.
    Thanks to Paul Sadauskas for the patch.
  * zfs_arc plugin: The new ZFS ARC plugin collects information about
    the “Adaptive Replacement Cache” (ARC) of the “Zeta File-System”
    (ZFS). Thanks to Anthony Dewhurst for the patch.
  * empty_counter match: The new Empty Counter match matches value
    lists, where at least one data source is of type COUNTER and the
    counter value of all counter data sources is zero.


Best regards,
—octo
-- 
Florian octo Forster
Hacker in training
GnuPG: 0x91523C3D
http://verplant.org/
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