Hello everybody,

we're proud to announce the availability of our new feature release, collectd
5.9.0. There are *a lot* of new features and they are all mentioned in the
ChangeLog below.


Download
--------

The new version is available in source-code form from collectd's
download page. The direct download links are:

  * https://collectd.org/files/collectd-5.9.0.tar.bz2
    SHA-256: 7b220f8898a061f6e7f29a8c16697d1a198277f813da69474a67911097c0626b


Thanks
------

Thanks to everybody who contributed to this version. In particular:

Adam Romanek, Alex White, Andrew Bays, Andrew Smith, Anthony Vickers, Antoine
Naud, Baruch Siach, Brian ONeill, Charalampos Stratakis, Chris Mayo, Christian
Ekstam, Ciara Loftus, Dagobert Michelsen, Dan Cech, Dan Fandrich, Daniel Golle,
Dhrupad Bhardwaj, Dimitrios Apostolou, Dylan Stephano-Shachter, elieyal, Evgeny
Naumov, Fabien Wernli, Florian Forster, Gordon Kelly, Harry van Haaren, Ivan
Kurnosov, Jacob Lisi, Jakub Jankowski, Jan-Philipp Litza, John Eismeier, Kamil
Wiatrowski, Kevin Laatz, lilydjwg, Luca Boccassi, Luis Fernández Álvarez, Manoj
Srivastava, Marc Fournier, Marcin Mozejko, Marco van Tol, Mariusz Bialonczyk,
Mariusz Szafranski, Mark B Kavanagh, Mark Kavanagh, Mateusz Starzyk, Mateusz
Starzyk, Matteo Croce, Matthias Runge, Mehdi Abaakouk, Michal Aleksinski,
Miroslav Lichvar, Nathan Huff (Admin), Nathan Ward, Nikita Kozlov, Pablo
Llopis, Pavel Rochnyack, Pavel Rochnyak, PJ Bostley, Radoslaw Jablonski, Romain
Tartière, Rory Sexton, Ruben Kerkhof, Sarah Fischmann, Sean Campbell, Sebastian
Harl, Shirly Radco, SK, skob, smallem, Sven Trenkel, Takuro Ashie, Tamas
Tevesz, Toshiaki Takahashi, Tyler Harper, usev6, Volodymyr Mytnyk, volth,
William Pursell, Wojciech Andralojc, YmrDtnJu


ChangeLog
---------

2019-06-13, Version 5.9.0
  * Build System: configure.ac: option "--with-libxml2" has been added.
    Thanks to Dimitrios Apostolou, Pavel Rochnyak. #2864
  * Build System: configure.ac: run dpdk build tests only if pkgconfig
    fails. Thanks to Luca Boccassi, Pavel Rochnyak. #3015
  * Build System: The "df" plugin is now built when "getmntent_r()" is
    available. Thanks to Florian Forster. #3095
  * Build System: The ability to turn on collectd "debug" feature in RPMs
    has been added. Thanks to dehotot. #2755
  * collectd: A new "UNKNOWN" state as the initial state of metrics has
    been added. Thanks to Luis Fernández Álvarez, Florian Forster. #2976
  * collectd: Base port to Windows. Thanks to Sean Campbell. #2810
  * collectd: Code ownership of five plugins has been handed out to folks
    from Intel. Thanks to Florian Forster. #3053
  * collectd: config parser: Improved error reporting on global options.
    Thanks to Pavel Rochnyak. #2813
  * collectd: daemon: make plugin_dispatch_multivalue() obey write queue
    limits. Thanks to Adam Romanek. #2898
  * collectd: Macros "STRERROR" and "STRERRNO" have been added. Thanks to
    Florian Forster. #2519
  * collectd: Plugin name field has been added to plugin context to
    improve error reporting. Thanks to Pavel Rochnyak. #2821
  * collectd-tg: Use "CLOCK_REALTIME" for collectd-tg times. Thanks to
    Andrew Bays. #2837
  * tree-wide: Don't initialize static pointers to NULL, use "bool" from
    "stdbool.h" (instead of "_Bool"). Thanks to Ruben Kerkhof. #2771,
    #2772
  * tree-wide: Replace zu with "PRIsz" and llu with "PRIu64". Thanks to
    Sean Campbell. #2512
  * tree-wide: Use interval value from plugin context, do not set
    "vl->interval" in plugins more. Thanks to Pavel Rochnyak. #2847
  * tree-wide: Utilities and libraries have been moved to "src/utils/".
    Thanks to Florian Forster. #2961
  * AMPQ1 plugin: A new plugin to write to amqp1 protocol. Thanks to Andy
    Smith. #2618
  * Chrony plugin: Ignoring late responses has been added. Thanks to
    Miroslav Lichvar, Pavel Rochnyak. #2896
  * CPUFreq plugin: Read number of p-state transitions and time spent in
    each p-state. Thanks to Sexton Rory. #2803
  * cURL, cURL-XML plugins: Option "Interval" has been added. Thanks to
    Pavel Rochnyak. #2847
  * Disk plugin: Report number of in progress disk IO requests on FreeBSD.
    Thanks to Nathan Huff. #2878
  * Exec plugin: Dynamic allocation of grname buffer has been added.
    Thanks to sreedi, Florian Forster. #2937
  * GPU NVML plugin: New plugin to collect NVIDIA GPU stats. Thanks to
    Evgeny Naumov. #2923
  * gRPC plugin: The "VerifyPeer" option for servers has been added.
    Thanks to Florian Forster. #2593
  * Intel RDT plugin: Support for groups of PIDs has been added. Thanks to
    Wojciech Andralojc, Mateusz Starzyk, Michal Aleksinski. #2891
  * IPMI plugin: Config options "SELSensor" and "SELIgnoreSelected" have
    been added. Thanks to Mariusz Szafranski. #2796
  * Modbus plugin: Support for 64 bit vals has been added, support for
    CDAB endian 32-bit modbus polls has been added. Thanks to Anthony
    Vickers, PJ Bostley. #2670, #2660
  * Modbus plugin: The "Scale" and "Shift" metrics have been added. Thanks
    to cekstam. #2729
  * Netlink plugin: Handle new counter from Linux kernel version 4.6+.
    Thanks to Pavel Rochnyak. #2767
  * Network plugin: Option "BindAddress" has been added. Thanks to Ofir
    Hermesh. #2831
  * Ping plugin: An "AddressFamily" configuration option has been added.
    Thanks to 依云 lilydjwg. #2961
  * OVS Stats plugin: Extended metrics "ovs-dpdk" have been added. Thanks
    to Matteo Croce, Ryan McCabe. #3000
  * OVS Stats plugin: Support of bond interface and a "InterfaceStats"
    config option have been added. Thanks to Andrew Bays. #2880
  * PCIe Errors plugin: New plugin to read "PCIe" errors. Thanks to Kamil
    Wiatrowski. #2733
  * Processes plugin: Support for Linux Delay Accounting has been added.
    Thanks to Florian Forster. #2598
  * Redis plugin: Keyspace "hitratio" metric has been added, metric
    "operations_per_second" has been removed, an option for connecting via
    UNIX socket has been added. Thanks to Pavel Rochnyak. #2838, #2845,
    #2904
  * RouterOS plugin: Support for temperature and voltage data has been
    added, use MAC-address when Radio-name is missing. Thanks to Pavel
    Rochnyak. #2851, #2854
  * RRDCacheD plugin: Time resolution has been improved to microseconds.
    Thanks to Brian T. O'Neill. #3065
  * Sensors plugin: Checks for upper limit of "SENSORS_API_VERSION" have
    been removed, support for libsensors older than 3.0.0 has been
    dropped. Thanks to Pavel Rochnyak. #3013, #3014
  * SNMP plugin: New options "PluginInstance", "TypeInstance",
    "TypeInstanceOID", "PluginInstanceOID", "FilterOID", "FilterValues"
    and "FilterIgnoreSelected" have been added. Thanks to Pavel Rochnyak.
    #2817, #2819
  * SNMP Agent plugin: Multiple key indexes to snmp table and other new
    features have been added, refactoring, coverity scan issues have been
    fixed. Thanks to Marcin Mozejko. #2702, #2844
  * Swap plugin: Support for Linux 2.4 has been dropped. Thanks to Pavel
    Rochnyak. #2979
  * Turbostat plugin: Configuration option "RestoreAffinityPolicy" has
    been added. Thanks to Pablo Llopis. #2627
  * Turbostat plugin: New metrics "P-states", "Turboboost", "Platform
    TDP", "Uncore bus ratio" have been added. Thanks to Sexton Rory. #2806
  * Turbostat plugin: Support of reporting GPU power on SKL has been
    added. Thanks to Gordon Kelly. #2605
  * virt plugin: Allow read "Hostname" from libvirt metadata. Thanks to
    Mehdi ABAAKOUK. #2807
  * virt plugin: Block info statistics for disk devices have been added.
    Thanks to Radoslaw Jablonski. #2874
  * Wireless plugin: A "bitrate" metric has been added. Thanks to Florian
    Forster. #2950
  * Write Graphite, Write Kafka plugins: Support for Graphite 1.1+ tag has
    been added. Thanks to Dan Cech. #2631
  * Write Prometheus plugin: Option "Host" has been added. Thanks to Pavel
    Rochnyak. #2969
  * Write Stackdriver plugin: New plugin to write to Google Stackdriver
    Monitoring. Thanks to Florian Forster. #2472
  * Write Syslog plugin: "write_syslog" plugin writes values lists as
    syslog messages. Thanks to Shirly Radco. #3019
  * Build System: A warning that pkgdatadir and pkglibdir were previously
    defined has been fixed, additional plugins have been enabled,
    GNULIB_DIR has been added to LDFLAGS in configure.ac on Windows.
    Thanks to Sean Campbell. #2907, #2885, #2882
  * Build System: Including "utils/mount/mount.h" has been fixed. Thanks
    to Florian Forster. #3097
  * Build System: The amount of output from ./configure has been reduced,
    rendering of collectd-lua(5) manpage has been fixed, don't hide errors
    when creating manpage. Thanks to Ruben Kerkhof. #3086, #3088, #3092
  * collectd: A bug in "c_avl_iterator_prev" has been fixed. Thanks to
    volth. #2917
  * collectd: A stringop compiler warning has been fixed. Thanks to Ruben
    Kerkhof, Juan Osorio Robles. #3021
  * collectd: An invalid memory access in the "strjoin()" function has
    been fixed. Thanks to Florian Forster. #3063
  * collectd: collectd binary has been refactored. Thanks to Sean
    Campbell, Sebastian Harl. #2745
  * collectd: collectdmon cannot exit command line options parse loop has
    been fixed. Thanks to takahashi-tsc. #2774
  * collectd: Endianness checks for AIX have been added, gcc issue on Mac
    byteorder has been fixed, fallback for endianness conversion has been
    added. Thanks to Dagobert Michelsen. #2761, #2741, #2717
  * collectd: Handle failure of simple config callbacks. Thanks to Ruben
    Kerkhof. #3085
  * collectd: Include "kstat.h" if available to provide "kstat_ctl_t",
    include "kstat.h" when available. Thanks to Dagobert Michelsen. #2716,
    #2711
  * collectd: Parsing option for avoiding making BaseDir has been fixed.
    Thanks to Mariusz Białończyk. #2856
  * collectd: Remove empty "cmd_listval_t" data structure and related
    no-op code. Thanks to Pavel Rochnyak. #2779
  * collectd: src/daemon/plugin.c: Refactor plugin_load_file(),
    src/utils_format_json.c: Remove chatty debug messages. Thanks to
    Florian Forster. #2558, #2938
  * collectd: Stop poisoning function in debug mode. Thanks to Ruben
    Kerkhof. #2804
  * collectd: The number of allocations when parsing types.db has been
    reduced. Thanks to Ruben Kerkhof. #3091
  * collectd: The organization of the source repository has been improved.
    Thanks to Florian Forster. #2961
  * collectd: Typos have been fixed. Thanks to Florian Forster, Jakub
    Jankowski, William Pursell. #2944, #2692, #2643
  * tree-wide: cleanup: cf_util_get* instead of local copy in plugins,
    prefixed error reporting. Thanks to Pavel Rochnyak. #2833
  * tree-wide: Some style issues have been fixed. Thanks to Ruben Kerkhof.
    #3022
  * tree-wide: "sstrerror()" has been replaced with "STRERRNO". Thanks to
    Pavel Rochnyak. #2735
  * AMQP1 plugin: Potential memory leaks found via scan-build have been
    fixed, a typo in error log message has been fixed, cleanups. Thanks to
    Andy Smith, Andrew Bays, Ruben Kerkhof. #2802, #2876, #2797
  * Barometer plugin: Support to "libi2c-4.0" has been added. Thanks to
    Pavel Rochnyak. #2783
  * DBI, Oracle, PostgreSQL plugins: Fixes and improvements. Thanks to
    Pavel Rochnyak. #1705
  * Disk plugin: "HAVE_UDEV_H" has been changed to "HAVE_LIBUDEV_H".
    Thanks to Dylan Stephano-Shachter. #2668
  * Disk plugin: In linux, reset the disk when it disappears from
    "/proc/diskstats". Thanks to Nikita Kozlov, Pavel Rochnyak. #2551
  * DPDK Events, DPDK Stats plugins: Buffer size for parsing lcores has
    been increased, a deprecation warning has been fixed, runtime config
    file path has been fixed. Thanks to Kevin Laatz. #2722, #2840, #2924
  * DPDK Stats plugin: A compilation issue has been fixed. Thanks to
    Volodymyr Mytnyk. #2524
  * GPS plugin: Build with gpsd version 3.18 has been fixed. Thanks to
    Baruch Siach. #2947
  * Intel RDT plugin: Compiler warnings have been fixed. Thanks to Ruben
    Kerkhof. #3104
  * Log Logstash plugin: Non-portable struct initialization with "{}" has
    been fixed. Thanks to Florian Forster. #2988
  * LUA plugin: A memory leak has been fixed. Thanks to Ruben Kerkhof.
    #3090
  * MySQL plugin: Properly cleanup dropped MySQL connections. Thanks to
    Dhrupad Bhardwaj. #2704
  * Netlink plugin: Truncation warnings have been fixed. Thanks to Ruben
    Kerkhof. #2777
  * NFS plugin: Message "Unexpected number of fields for NFSv4 server
    statistics: 62" has been fixed. Thanks to Yedidyah Bar David. #2076
  * NFS plugin: Number of fields for "NFSv4" has been fixed. Thanks to
    Jan-Philipp Litza. #2915
  * Notify Email plugin: All notification parameters have been included
    into email. Thanks to Pavel Rochnyak. #2834
  * NTPd plugin: Don't treat normal peers as refclocks, skip "0.0.0.0"
    hosts in ntpd plugin. Thanks to Pavel Rochnyak, Ivan Kurnosov. #2822,
    #2376
  * OAuth plugin: src/utils_oauth.c: Renew OAuth tokens 30 seconds before
    they expire. Thanks to Florian Forster. #2970
  * OVS Stats plugin: A macro to populate counters list has been added,
    value of "OpenFlow" has been corrected. Thanks to Matteo Croce. #2966,
    #2963
  * OVS Stats plugin: Code style, cleanup and improvements. Thanks to
    Pavel Rochnyak. #3011, #3012
  * OVS Stats, OVS Events plugins: utils_ovs: Avoid potential access of
    freed memory, fixes. Thanks to Ciara Loftus, Mark Kavanagh. #2801,
    #2731
  * Processes plugin: Compilation has been fixed when ps_delay() is not
    used. Thanks to Pavel Rochnyak. #2610
  * Python plugin: A compilation warning with Python 3.7 has been fixed.
    Thanks to Manoj Srivastava. #3042
  * Redis plugin: Bugfixes, extended error reporting, persistent
    connections and parallel polling, ability to select db for queries has
    been fixed. Thanks to Pavel Rochnyak, skob. #2826, #2789
  * Router OS plugin: Unset radio-name showing up as "(null)" has been
    fixed. Thanks to melak. #2740
  * RRDCacheD plugin: Cleanup rrdcached plugin a bit. Thanks to Pavel
    Rochnyak. #3080
  * RRDTool plugin: Error reporting has been extended. Thanks to Pavel
    Rochnyak. #2825
  * Sensors plugin: Support for humidity sensors has been added. Thanks to
    Sarah Fischmann. #2913
  * Sensu, OVS Stat, Turbostat, virt, OAuth, Write Prometheus, Intel RDT
    plugins: Compiler warnings have been fixed. Thanks to Ruben Kerkhof.
    #3093, #3098, #3099, #3100, #3102, #3103, #3104
  * virt plugin: Code "do {} while(0)" around macro has been removed.
    Thanks to Florian Forster. #2579
  * virt plugin: Compiler warnings, a segfault in libvirt, typo in error
    messages have been fixed. Thanks to Antoine Naud, Ruben Kerkhof, sarah
    niuxu18. #2808, #2919, #2957
  * virt plugin: Optional "virDomainGetCPUStats()" has been removed from
    main flow, cleanup. Thanks to Pavel Rochnyak. #2972, #2978
  * virt plugin: Tracking of VM state changes has been fixed. Thanks to
    Radoslaw Jablonski. #2701
  * Write MongoDB plugin: Plugin dependencies have been fixed. Thanks to
    Pavel Rochnyak. #3010
  * Write Prometheus plugin: A compilation issue on Mac OS X has been
    fixed. Thanks to Florian Forster. #3059
  * Write Redis plugin: Bug ""max_set_duration" deletes unexpected data"
    has been fixed. Thanks to takahashi-tsc. #2773
  * Write Stackdriver plugin: Potential NULL dereference and error
    reporting have been fixed. Thanks to Florian Forster. #2960
  * collectd.conf(5): a typo has been fixed, the tail plugin's
    documentation has been improved. Thanks to Ruben Kerkhof, Florian
    Forster. #3087, #2994
  * collectd.conf.pod: virt: "Instances" option has been documented, a
    clarifying example has been added. Thanks to Pavel Rochnyak, Fabien
    Wernli. #2990, #2903
  * collectd-python: "Import" configuration option has been documented.
    Thanks to Tyler Harper. #2985
  * collectd-snmp.pod: Document thread usage correctly. Thanks to Nathan
    Ward. #3078
  * CONTRIBUTING.md: Improve wording around ChangeLog; fix example,
    document the new change log requirement / behavior. Thanks to Florian
    Forster. #3061, #3054
  * docs/review_comments.md: document with frequent review comments has
    been started. Thanks to Florian Forster. #2964
  * README: Include compiler defenses suggestion, do not point users to
    non-existing file. Thanks to Kevin Laatz, Ruben Kerkhof. #2721, #2045


Best regards,
—octo
-- 
Florian octo Forster
Hacker in training
GnuPG: 0x0C705A15
http://octo.it/

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