Hi Steve,
The following URLs provide details on Virtuoso performance tuning and
diagnostics and should provide answers to your questions and some:
http://docs.openlinksw.com/virtuoso/perfdiag.html
http://docs.openlinksw.com/virtuoso/ptune.html
http://docs.openlinksw.com/virtuoso/rdfperformancetuning.html
With regards to compiling on Linux (Debian ???) and copying binaries
to OpenSolaris or Linux VPS, I have not specifically tried this with
Virtuoso but from experience in the past I would not expect Linux
binaries to run on a Solaris x86 system mainly due to
incompatibilities in system libraries. If OpenSolaris is branded as
being compatible with Linux (Debian etc.) type systems then it should
work in theory, but the proof is in the "eating", ditto for Linux
VPS ...
Best Regards
Hugh Williams
Professional Services
OpenLink Software
Web: http://www.openlinksw.com
Support: http://support.openlinksw.com
Forums: http://boards.openlinksw.com/support
On 29 Oct 2008, at 03:04, Steve Judkins wrote:
This week I’m evaluating Virtuoso in shared web hosting
environments. The two environments I’m planning on evaluating are
OpenSolaris Containers (from Joyent) and Linux Virtual Private
Servers (from Slicehost). A entry priced Slice usually starts at
256Mb RAM and 10Gb space and steps up from there. Both provide
good entry level pricing for LAMP developers and a grid
architecture to scale as you grow. Any shared insights on the
following would be appreciated:
1) Anyone want to set my expectations for performance on this
entry level Slice?
2) Has anyone done previous work to simplify the setup process
for shared hosting? I’m only aware of the Debian packaging effort
underway as we speak.
3) I’ve noted the virtuoso.ini settings for indirectly
controlling memory consumption by setting ServerThreads,
ServerThreadSize, etc. Are there any other ways of tuning
performance to accommodate machine resources?
4) Anyone have real world statistics or estimates of memory
consumption in different scenarios just to define some rough upper
and lower bounds on memory requirements? (e.g. rough guides to how
resources scale with # users, sparql query volume, and RDF graphs)
5) I’m compiling on my local Linux for my OpenSolaris
Container. Looking at flags for i386 32bit Solaris, it looks like
I can just SFTP the same binaries I’ve built for Linux. Is that
correct?
Thanks in advance,
Steve
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