[GE users] updated FlexLM integration (qlicserver)

Andy Schwierskott andy.schwierskott at sun.com
Mon May 7 14:40:20 BST 2007


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Mark,

on

   http://gridengine.sunsource.net/servlets/ProjectDocumentList

there's still  qlicserver-1.14.1.tar.gz and  qlicserver-1.16.tar.gz

Does it mean you want to use only the gridengine.info siteas a repositiry
for your qlicserver? Should we deleted the two older version in
gridengine.sunsource.net?

Andy

> I've sent an updated version of the qlicserver program and utilities
> (qlicserver-1.26.tar.gz) for upload to the wiki site. If all goes well, it
> should appear there within the next day (or two).
>
> The main reason for the current update is the adjustment for the new qstat
> behaviour - need "qstat -u *" to list all jobs.
> Unfortunately, I can't actually test it on 6.1 until sometime in June when
> we'll start with 6.1 ourselves, but I thought it was important to release
> the changes before people start having problems after upgrading.
> The modified query will work with both 6.0 and 6.1 version.
>
> The second change is the introduction of threaded server queries. Each
> server will be queried in parallel in a separate thread. If multiple ports
> are used on a particular server, they will be bundled together within a
> thread. The parallel query allows better response and stability when a slow
> or wonky server is in the system. Instead of relying on the FlexLM timeout
> parameter, 'alarm' is used to pull the plug on queries that are taking too
> long.
>
> NOTE: on some older systems (eg, perl 5.8.5 and SuSE 9.2) killing a thread
> within Perl appears to kill all threads. On these systems, the robustness
> will not be better (or worse) than before, but the query speed will still be
> improved. If only a single server is being used, no threads are used.
> If threads are a general problem on your system, the comments containing
> "UNTHREADED PERL" should help find the editing points in the code.
>
>
> A minor feature improvement for tracking GridEngine complexes has been
> added. The tracked complexes are added into the qlicserver output for
> external access via the qlic utility. The "trackonly" entry of the config
> table controls this feature.
>
>
> Although bugs can never be avoided, this version represents our current
> production version with the last non-cosmetic changes stemming from Nov.
> 2006.
>
> /mark
>
> Dr. Mark Olesen
> Principal Engineer Thermofluids Analysis
> ArvinMeritor Emissions Technologies GmbH
> Biberbachstr. 9
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