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Publication from : David Smith 9615 <[log in to unmask]> (dteam)
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Hello,
This is just to point out a configuration change in the \'standard UI\'
environment for LCG 2.6.0 that you get at CERN on lxplus, ie. when you do:
source /afs/cern.ch/project/gd/LCG-share/sl3/etc/profile.d/grid_env.[c]sh
The default broker for all VOs, eg. alice, atlas, cms, dteam, lhcb, sixt
and unosat was gdrb01.cern.ch. Over the last few days we\'ve seen that
machine is fairly busy, so we added another broker in the UI
configuration. For all VOs (except unosat) gdrb03.cern.ch is also now
available - the configuration on lxplus will now automatically direct
edg-job-submit or edg-job-list-match to use gdrb01 or 03 at random.
(Currently unosat is still only supported on gdrb01).
Of course, if you use your own configuration files, eg. if you use commands
with options like
edg-job-submit --config file1.conf --config-vo file2.conf <...>
then the behavior won\'t change (whether you are using lxplus at CERN or
not). However if you are explicitly specifying gdrb01.cern.ch then you may
like to also have the option to spread your jobs between the two brokers.
If you like, this can be done by:
in your \'file1.conf\' (usually with a name like edg_wl_ui_cmd_var.conf)
remove the line \'LoggingDestination\'.
in your \'file2.conf\' (usually with a name like edg_wl_ui.conf) replace the
lines NSAddresses, LBAddresses - which previously mentioned only
gdrb01.cern.ch - with:
NSAddresses = {\"gdrb01.cern.ch:7772\",\"gdrb03.cern.ch:7772\"};
LBAddresses = {{\"gdrb01.cern.ch:9000\"},{\"gdrb03.cern.ch:9000\"}};
Yours,
David
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