Re: [rrd-users] various questions on rrdcreate/rrd_create

2011-04-23 Thread Simon Hobson
Rick Jones wrote: >... >where I may desire a step value of one second for the octet, packet, >error and discard counters, I probably don't care for that small a >granularity for index, type, speed, direction and status. not that ntop >makes distinctions there when it creates rrds, but then it doe

Re: [rrd-users] various questions on rrdcreate/rrd_create

2011-04-23 Thread Alex van den Bogaerdt
> Having said that, as I'm getting farther in my own little "store away > the sFlow counters" program I've realized that I may not want the same > step value for each of the values returned for an interface. for > example, out of the generic counters returned by sFlow: > > typedef struct sflow_gen

Re: [rrd-users] various questions on rrdcreate/rrd_create

2011-04-22 Thread Rick Jones
On Wed, 2011-04-20 at 15:54 -0700, Rick Jones wrote: > On Wed, 2011-04-20 at 23:28 +0100, Simon Hobson wrote: > > Rick Jones wrote: > > Where there is a likelyhood of the number of datasets changing then > > you are better off with separate files. An example of that would be > > monitoring disk s

Re: [rrd-users] various questions on rrdcreate/rrd_create

2011-04-20 Thread Rick Jones
On Wed, 2011-04-20 at 23:28 +0100, Simon Hobson wrote: > Rick Jones wrote: > Where there is a likelyhood of the number of datasets changing then > you are better off with separate files. An example of that would be > monitoring disk space where you may add or remove a filesystem. In > that case

Re: [rrd-users] various questions on rrdcreate/rrd_create

2011-04-20 Thread Simon Hobson
Rick Jones wrote: >First a "style" question I suppose. Let's say for the sake of argument >I decided to write my own "take sFlow counters and shove them into an >RRD" program. Each interface has a number of counters. One can specify >more than one DS per RRD but it seems that ntop for example ha