collectd System statistics collection daemon
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collectd Description

System statistics collection daemon collectd is a small daemon which collects system performance statistics periodically and provides mechanisms to store the values in a variety of ways, for example in RRD-files.collectd gathers information about the system it is running on and stores this information. The information can then be used to predict future system load (i. e. capacity planning) or to find current performance bottlenecks (i. e. performance analysis) and . Or if you just want pretty graphs of your private server and are fed up with some homegrown solution you're at the right place, too.While collectd can do a lot for you and your administrative needs, there are limits to what it does:· It does not generate graphs. It can write to RRD-files, but it cannot generate graphs from these files. There's a tiny sample script included in contrib/, though. Also you can have a look at drraw for a generic solution to generate graphs from RRD-files.· It does not do monitoring. The data is collected and stored, but not interpreted and acted upon. There's a plugin for Nagios, so it can use the values collected by collectd, though.Plugins currently available:· Apache· APC UPS· Apple Sensors· Battery· CPU· CPUFreq· CSV (output)· df· Disk· DNS· E-Mail (manpage)· Entropy· Exec (manpage)· hddtemp· Interface· IP-Tables· IRQs· Load· LogFile (logging)· mbmon· Memory· Multimeter· MySQL· Netlink· Network (input / output)· NFS· NTPd· NUT· Perl (experimental, manpage)· Ping· Processes· Sensors· Serial· SNMP (manpage)· Swap· SysLog (logging)· Tape· UnixSock (manpage)· Users· VServer· Wireless· XMMS What's New in This Release: · Build system: Issues when building the iptables plugin have been · fixed. · exec plugin: Clear the signal block mask before calling exec(2). · perl plugin: Declare the ??úenviron??ù variable. This solves build · issues on some platforms. · processes plugin: Remove unnecessary call of realloc(3). Thanks to · Andr√?s??J. D√≠az for the patch. · unixsock plugin: Fix a (well hidden) race condition related to file · descriptor handling.

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