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On 16/12/11 16:10, Daniela Bauer wrote: > Well, the EMI SGE version has been only out for about two weeks and > given that it requires a complete reinstall I wouldn't be surprised if > take up has been slow. Indeed. QMUL hasn't installed it yet - though it's the obvious candidate for the new CE. > Having said this, I've installed it (the EMI version) and so far I > haven't seen any problems with it, but then I don't see any problems > with my lovingly tuned (especially the my.cnf and the tomcat.conf) glite > 3.2 versions either. But then I have lots of CEs. > I would recommend reading the EMI admin guide front to back though, it > applies equally to glite 3.2. > > Here's my EMI install log if anybody is interested: > http://www.hep.ph.ic.ac.uk/~dbauer/grid/emi_cream.html > (if you really want to read my config files, I can give you the pasword). > > So personally I couldn't care less whether it goes in UMD or not. My view is that it should _not_ go into UMD - but there should be some advertisement that the EMI release is available and works for SGE sites. I'm sorry, but release announcements shouldn't contain instructions not to use stuff. Chris > > Cheers, > > Daniela > > > On 16 December 2011 16:00, John Gordon <[log in to unmask] > <mailto:[log in to unmask]>> wrote: > > So UK pressure to improve CREAM for SGE has had an unfortunate > side-effect. > > Options could be to push for this version to be included in UMD but > only ask SGE sites to upgrade. Or for SGE sites to take the release > from EMI repository to get a working version. I think the latter is > safer as it would prevent non-SGE sites being accidently broken when > people don't read the documentation (that could never happen, could > it?). > > Are SGE sites happy with the latest EMI release? Anyone not tried it? > > John > > -----Original Message----- > From: [log in to unmask] > <mailto:[log in to unmask]> > [mailto:[log in to unmask] > <mailto:[log in to unmask]>] On Behalf Of Tiziana > Ferrari > Sent: 16 December 2011 14:24 > To: NGI Operations Centre managers > Subject: [Noc-managers] CREAM and UMD 1.4.0: your feedback needed > > Dear all > > as discussed at the last operations meeting the latest version of CREAM > was planned for release in UMD 1.4.0 (due next Monday 19th of December), > as CREAM is particularly needed for SGE sites. Unfortunately a serious > bug was detected today affecting CREAM (bupdater for PBS and LSF). > > The bug is documented at: > http://wiki.italiangrid.it/twiki/bin/view/CREAM/KnownIssues#Memory_leak_in_bupdater > > "Version 1.16.3 of BLAH is affected by a quite critical memory leak in > the bupdater component for LSF and PBS. Because of that the usage of > memory of the bupdater process will keep increasing till when it > crashes/it is killed by OOM. It is then automatically restarted by blah. > The problem concerns PBS and LSF, but not SGE. > > For LSF and PBS, the workaround is to configure the blparser using the > old method: > http://wiki.italiangrid.it/twiki/bin/view/CREAM/SystemAdministratorGuideForEMI1#1_2_4_Choose_the_BLAH_BLparser_d > Relevant bug: https://savannah.cern.ch/bugs/index.php?89859" > > The workaround for PBS/LSF consists in the following steps: > - to set explictly a yaim variable > - to configure the cream-ce using yaim > - to configure the blparser using yaim > - to restart tomcat > > We need to decide by today if we want to include CREAM with the > documented workaround in UMD 1.4.0. > > My proposal is to *not* include it, even if for SGE verification and > staged rollout were ok, and to release it with a fixed EMI.blah in UMD > 1.5.0 (30 Jan 2012). The motivation of this is to not risk a disruption > of medium/small sites with PBS, for which an upgraded CREAM will require > some careful workaround. > > Let me know if you have problems with this proposal. > > Thank you in advance > Tiziana > > > > > > > -- > Tiziana Ferrari > EGI.eu Operations > Science Park 140, 1098 XG Amsterdam, NL > m: 0031 (0)6 3037 2691 > _______________________________________________ > Noc-managers mailing list > [log in to unmask] <mailto:[log in to unmask]> > https://mailman.egi.eu/mailman/listinfo/noc-managers > > > > > -- > ----------------------------------------------------------- > [log in to unmask] <mailto:[log in to unmask]> > HEP Group/Physics Dep > Imperial College > Tel: +44-(0)20-75947810 > http://www.hep.ph.ic.ac.uk/~dbauer/