[Orca-users] no data displayed
mike.normandin at csfb.com
Fri Dec 2 11:11:30 PST 2005
So when the consolidated data point is created is it an average of N samples or does it pick every N sample ?
From: Blair Zajac [mailto:blair at orcaware.com]
Sent: Thursday, December 01, 2005 11:13 PM
To: Normandin, Mike
Cc: 'Regee, Ashish'; orca-users at orcaware.com
Subject: Re: [Orca-users] no data displayed
Normandin, Mike wrote:
> rrd does roll-up the data and you lose granularity I'm not sure what the roll-up will be for the 1 hour interval you are using. A couple options for looking back.
Here's the roll-up data that Orca uses by default:
# These define the name of the different round robin archives (RRAs)
# to create in each RRD file, how many primary data points go into a
# consolidated data point, and how far back in time they go.
# The first RRA is every 5 minutes for 200 hours, the second is every
# 30 minutes for 31 days, the third is every 2 hours for 100 days, and
# the last is every day for 3 years.
# The first array holds the names of the different RRAs and is also
# used in the list of plots to create. The second array holds the
# number of 300 second intervals are used to create a consolidated
# data point. The third array is the number of consolidated data
# points held in the RRA.
use vars qw(@RRA_PLOT_TYPES @RRA_PDP_COUNTS @RRA_ROW_COUNTS);
push(@EXPORT_OK, qw(@RRA_PLOT_TYPES @RRA_PDP_COUNTS @RRA_ROW_COUNTS));
@RRA_PLOT_TYPES = qw(daily weekly monthly yearly);
@RRA_PDP_COUNTS = ( 1, 6, 24, 288);
@RRA_ROW_COUNTS = ( 2400, 1488, 1200, 1098);
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