Hello,

Whereas it is planned in the long-term, Qserv team will not work on rpm 
packaging in the short-term.

With Andy Salnikov, from SLAC, we propose two strategies in order to 
install Qserv on the future DELL cluster:

Note that binaries used by the worker and the master are exactly the 
same, there total size with dependencies is around 1GB, but not 
everything is used.

1. On the master node, we can install the binaries in 
/sps/lsst/Qserv/stack, and then in the post-install script, configure 
the worker nodes to use these binaries.
But could you please confirm us that sps filesystem will be able to 
support the load of the 25-50 nodes using these binaries during Qserv 
execution?

2. We can build Qserv on the master node of the cluster, rsync the 
binaries to /sps/lsst/Qserv/stack and then each worker node would run a 
post-install script which would rsync the binaries from /sps to its 
local filesystem and then configure the node.

Which one of these solutions would you recommend?

Furthermore, do you think we could get an access to  LSST distribution 
server (https://sw.lsstcorp.org/eupspkg/) on the master node of the 
cluster? This would ease a lot our work.

Cheers,

Fabrice

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