The condor_master will notice that new binaries have
been installed and automatically restart the daemons.
For the Central Manager: It contains the collector and
the negotiator. The collector maintains an in memory
database of the HTCondor pool. Upon restart, the nodes
in the HTCondor pool periodically report to the
collector. After several minutes, all the nodes will
have reported back in and you are back to where you were
before the restart. The Access Points (submit node) can
still send jobs to slots that have been given to them to
manage until the claim life time expires. So, when jobs
complete, similar jobs can continue to start. However,
no new matches can be made until the Central Manager
comes back online.
For the Access Point (your submit node): When the
schedd restarts, the new schedd will read the on disk
job queue and begin reconnecting to jobs that were
running when the old schedd shut down. After a while,
the condor_schedd emails out a restart report that
details how many running jobs it was able to reconnect.
In either case, the impact to running jobs should be
minimal.
...Tim
On 9/18/23 11:49, Weatherby,Gerard
wrote:
Thanks.
Whatâs the impact on the cluster if components are
upgraded? Specifically in our case we have:
deb [arch=amd64]
https://research.cs.wisc.edu/htcondor/repo/ubuntu/10.x focal main
deb-src
https://research.cs.wisc.edu/htcondor/repo/ubuntu/10.x focal main
in
/etc/apt/sources.list.d/htcondor10.list
and weâd do:
apt-get update && apt-get install htcondor
We would be looking to update:
our central manager
our dedicated submit node
***
Attention: This is an external email. Use
caution responding, opening attachments or
clicking on links. ***
Yes, you can mix 10.7.0 and 1.8.0 in a pool. We
ran the configuration you described in our
production pool during testing.
In fact, we also test the latest 10.0 release
against the latest 10.x release. (HTCondor
10.0.8 interoperates with HTCondor 10.8.0.)
We strive to make HTCondor versions work well
together. In particular, the latest LTS release
must be able to interoperate with the previous
LTS.
...Tim
On 9/15/23 07:02,
Weatherby,Gerard wrote:
Can 10.8.0 nodes be mixed
with 10.7.0 components? e.g. Can 10.7.0
execution points be mixed with a 10.8.0
central manager and access point?
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--
Tim Theisen (he, him, his)
Release Manager
HTCondor & Open Science Grid
Center for High Throughput Computing
Department of Computer Sciences
University of Wisconsin - Madison
4261 Computer Sciences and Statistics
1210 W Dayton St
Madison, WI 53706-1685
+1 608 265 5736
--
Tim Theisen (he, him, his)
Release Manager
HTCondor & Open Science Grid
Center for High Throughput Computing
Department of Computer Sciences
University of Wisconsin - Madison
4261 Computer Sciences and Statistics
1210 W Dayton St
Madison, WI 53706-1685
+1 608 265 5736
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