i have noticed that a single fuseki instance spans quite a number of worker process (~32-35) on one of our root servers ( x86_64 GNU/Linux) with 8 cores and 128gb ram + ssd.
does jena fuseki /tdb take full advantage of the extras cores on full load with these workers? On Wed, Nov 22, 2017 at 11:22 AM, David Moss <[email protected]> wrote: > Upgrades are application specific. You need to look at the logs for your > current system and see if processor is maxing out of memory is swapping out > to disk too much. 2GB RAM looks a bit small but that is irrelevant if your > processor is at 100% all the time. You might also consider your disk access > time. Faster disks might be a better buy if your processor and RAM look OK. > > David Moss > ________________________________ > From: John Sanders <[email protected]> > Sent: Wednesday, November 22, 2017 10:40:38 AM > To: [email protected] > Subject: Advice on hardware upgrade > > Hi, I'm running a Fuseki server on a rather small server. I'm willing to > upgrade it a little bit (since it's handling a lot of requests) so I was > wondering which single component I could upgrade to get the best possible > return. This I suppose boils down to either more RAM or a better CPU. > Currently the server is an old Pentium4 3GHz with 2gb of RAM, so if I have > some money to spend on it, would I be better buying more RAM or a better > CPU? In the second case (a better CPU), would Fuseki benefit more from a > faster one (higher frequency) or one with more cores/threads (I assume > Fuseki is a multi-threaded application)? Thank you all. -- --- Marco Neumann KONA
