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11.9 The User Portal
Using The dumpstatistics Commands
The usage of the dumpstatistics command is:
dumpstatistics[OPTIONS] <start-time> <end-time> <metric> [device]
and it follows the pattern of earlier (page 402) for the dumpmetricdata
and dumphealthdata commands.
There are two significant differences:
• The -p option sets percentile boundaries. By default, the statistics
are divided into percentiles of 25%.
• The -i option is set by default to a value of 20. A setting
of i 0 (which displays non-interpolated values when used with
dumpmetricdata and dumphealthdata) is not a valid value for
dumpstatistics.
Example
[bright60->device]% dumpstatistics -i 5 -1h -p 100 now loadone -n node00\
1..node003
Start
End
100%
-------------------------- -------------------------- -----Fri Oct 21 17:04:30 2011
Fri Oct 21 17:16:30 2011
0.11
Fri Oct 21 17:16:30 2011
Fri Oct 21 17:28:30 2011
0.08
Fri Oct 21 17:28:30 2011
Fri Oct 21 17:40:30 2011
0.09
Fri Oct 21 17:40:30 2011
Fri Oct 21 17:52:30 2011
0.27
Fri Oct 21 17:52:30 2011
Fri Oct 21 18:04:30 2011
0.22
[bright60->device]% dumpstatistics -i 5 -u -1h now loadone -n node001..n\
ode003
Start
End
0%
25%
50%
75%
100%
---------- ---------- ------ ------ ------ ------ -----1319444362 1319445082 0
0
0.03
0.0475 0.07
1319445082 1319445802 0
0
0
0.0025 0.04
1319445802 1319446522 0
0
0
0.01
0.06
1319446522 1319447242 0
0
0
0.01
0.08
1319447242 1319447962 0
0
0
0.015
0.05
11.9
The User Portal
11.9.1 Accessing The User Portal
The user portal is located by default on the head node. For a head node
bright60, it is accessible to users for a login via a browser at the URL
http://bright60. The state of the cluster can then be viewed by the
users via a read-only interface.
The first time a browser is used to login to the portal, a warning about
the site certificate being untrusted appears.
The certificate is a self-signed certificate (the x509v3 certificate of section 4.1), generated and signed by Bright Computing, and the attributes
of the cluster owner are part of the certificate. However, Bright Computing is not a recognized Certificate Authority (CA) like the CAs that are
recognized by a browser, which is why the warning appears.
© Bright Computing, Inc.
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