>>> On 9/17/2008 at 9:13 AM, in message <[EMAIL PROTECTED] , <[EMAIL PROTECTED]> wrote:
> >> -----Original Message----- >> From: Brad Nicholes [mailto:[EMAIL PROTECTED] >> Sent: 17 September 2008 15:53 >> To: Pocock, Daniel: IT (LDN); ganglia-developers@lists.sourceforge.net >> Subject: RE: [Ganglia-developers] metrics-per-host? >> >> >> >>> On 9/17/2008 at 8:23 AM, in message >> <[EMAIL PROTECTED] >> ANET.BARCAPINT.COM >> >> , <[EMAIL PROTECTED]> wrote: >> >> >> If you run gmond with -d 10, the debug output will show you >> >> everything that gmond sent as well as everything that >> gmond received. >> >> If you capture that output and then do some analysis on >> it, is gmond >> >> sending all of the metrics? If so, then is it also receiving back >> >> everything that it send? If >> > >> > >> > >> > tcpdump shows me that the packets are being transmitted on the >> loopback >> > interface >> > >> > In the debug output, I see messages like this for all 400 metrics: >> > >> > metric 'test0000399' being collected now >> > metric 'test0000399' has value_threshold 1.000000 >> > sending metadata for metric: test0000399 >> > sent message 'test0000399' of length 76 with 0 errors >> > >> > >> > However, I see this message for some metrics and not others: >> > >> > ***Allocating metadata packet for host--localhost.localdomain-- and >> > metric --test0000029-- **** saving metadata for metric: test0000029 >> > host: localhost.localdomain ***Allocating value packet for >> > host--localhost.localdomain-- and >> metric >> > --test0000029-- **** >> > >> > Within 1-2 seconds of starting gmond, tcpdump reports 943 packets >> sent >> > on the loopback interface - that appears to include 400 metadata >> packets >> > and 400 data packets for my test metric >> > >> >> It is actually the value packets that I am more interested in >> rather than the metadata packets. You will probably have to >> let gmond run for a few minutes to allow it to sync up on all >> of the metadata packets and just start processing value >> packets. At that point you should see x number of value >> packets sent and x number of value packets received. > > > It has been running for about 30 minutes now. All the debug output has > been sent to a file. > > If I grep for `value packet' in the file, I don't find value packets for > all of the metrics. > > Given that it is operating on the loopback interface, packet loss > shouldn't be an issue - any other things I should check? When you say that you don't see value packets for all of the metrics is that sent and/or received or just received? In other words are value packets being sent for all of the metrics but not received or are there some metric value packets that just aren't being sent? Brad ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Ganglia-developers mailing list Ganglia-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ganglia-developers
