[Swift-devel] [Bug 176] New: config option to invoke wrapper script with relative path

[bugzilla-daemon at mcs.anl.gov]

http://bugzilla.mcs.anl.gov/swift/show_bug.cgi?id=176

           Summary: config option to invoke wrapper script with relative
                    path
           Product: Swift
           Version: unspecified
          Platform: Macintosh
        OS/Version: Mac OS
            Status: NEW
          Severity: normal
          Priority: P2
         Component: General
        AssignedTo: benc at hawaga.org.uk
        ReportedBy: benc at hawaga.org.uk


Versions of Swift before 0.8 invoked the wrapper script using a relative path,
and relied on the job submission system to start in the directory requested in
the job submission. Some sites do not do that, instead starting in a clean
job-specific working directory. Swift 0.8 had different behaviour, with
explicit specification of the path to wrapper.sh.

However, this fails to work on sites where the site-shared filesystem is mapped
into local filesystems differently on the worker nodes and through the
submission system, such as present experimental use of Falkon on BG/P. In such
cases, Falkon starts the job in the correct directory, which Swift then
ignores.

A configuration option to switch between absolute and relative behaviour should
be provided.


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