On Mon, Jul 13, 2009 at 04:49:17PM +0100, Daniel Pocock wrote: > Brad Nicholes wrote: > >>>> On 7/13/2009 at 8:17 AM, in message > >>>> > > <e6ccb7f50907130717i2f3dfd5fi1c69dbd4124a7...@mail.gmail.com>, utopia zh > > <utopia...@gmail.com> wrote: > > > >> Hi, > >> > >> While trying to use gmond to monitor our applications, we found some > >> issues: > >> - Metric collecting may take long time to finish, such examples > >> include collecting master/slave status from LDAP, parsing web pages to > >> get statistics. > >> > > This is definitely an issue for some metrics, but not all > > It would be nice to have threading support within the agent rather than > requiring each person who implements a module to re-invent the wheel. > However, it might be best to make it configurable, so that `start a > thread' becomes a config option for each module or metric. There could > be some flag in Ganglia_25metric with which a developer can tell gmond > that a metric must be run in it's own thread, and some configuration > file option to allow the sysadmin to override the default setting of the > flag.
As a lazy sysadmin I would prefer not to have to deal with individual metric settings, so how about letting gmond decide if a thread is needed or not for a module depending on the modules response time and keep the config simple with something like max_threads = n, max_collection_delay = 4000ms? Kostas ------------------------------------------------------------------------------ Enter the BlackBerry Developer Challenge This is your chance to win up to $100,000 in prizes! For a limited time, vendors submitting new applications to BlackBerry App World(TM) will have the opportunity to enter the BlackBerry Developer Challenge. See full prize details at: http://p.sf.net/sfu/Challenge _______________________________________________ Ganglia-developers mailing list Ganglia-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ganglia-developers
