[Swift-user] What system calls do the mappers use?

[Michael Wilde]

Also, to answer your question more directly: "I dont know".  You can try to answer this by writing some very simple swift scripts that do the kinds of built-in mappings you are looking at, and use strace() wuth suitable filtering and grepping do see what Swift (via Java) is doing to implement the mapping.

Mihael may be able to point you to the Java classes that do the mapping to distill this process further.

- Mike


----- Original Message -----
> From: "Lorenzo Pesce" <lpesce at uchicago.edu>
> To: "Swift User Discussion List" <swift-user at ci.uchicago.edu>
> Sent: Wednesday, March 20, 2013 3:27:05 PM
> Subject: [Swift-user] What system calls do the mappers use?
> 
> Hi --
> 
> I am working with mappers that might be repeated thousands of times
> in each workflow run.
> Lustre doesn't like that type of search when it is based on
> approaches similar to "ls", on the other hand "find" works fine.
> 
> I could conceivably find a work around, but I would rather not have
> to do it.
> 
> Lorenzo
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