We are planning to set up a new machine to run Jena TDB with Fuseki, but
the hosting organisation has a strong preference for Windows instead of
Linux.
When I spoke to Andy Seaborne about this at the recent W3C Open Data
conference, he mentioned that Windows has issues with the use of memory
mapped files, and I just wanted to check what the implications of this are.
I saw a couple of references to this in the list archives, e.g.:
http://mail-archives.apache.org/mod_mbox/jena-users/201103.mbox/%3cof213233fa.dfef8523-on8525785e.006277bd-8525785e.00652...@ca.ibm.com%3E
However, this didn't really clarify things for me!
What I'd really like to know is:
- is it really that much worse to run Jena on Windows than Linux?
Or, more specifically, any answers to questions like:
- if yes, how much worse[1]?
- should any Windows OS (Win7, Win2008 server) or variant (64 or 32 bit)
be favoured over another?
- any machine specs that should be favoured (e.g. RAM 3x the TDB index
size)?
- any configuration tweaks that should be applied?
- best ways to benchmark performance and ensure it all works on Windows?
Thanks in advance,
-Tristan.
[1] e.g. is the issue just one of consistently slower performance (which
we could probably handle, so long as we know how slow!) or one of
instability (which I would rather avoid)?
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Tristan Roddis
Head of Web Development
+44 1273 821 600
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