Hi Hugh, Thanks Hugh!
Currently, NumberOfBuffers is 120,000. My server has 3GB RAM. I will try to set NumberOfBuffers to between 2/3 and 3/5 of the RAM, and let you know if the server can be restarted. Erwin Leonardi On Tue, Feb 23, 2010 at 5:45 PM, Hugh Williams <hwilli...@openlinksw.com>wrote: > Hi Erwin, > > In the Virtuoso database directory what is the size of the virtuoso > transaction log file (virtuoso.trx) as the server seems to have spent abt > 15mins their rolling forward the pending transaction before running out of > memory ? > > What is the "NumberOfBuffers" setting in your virtuoso.ini file and how > does this compare with the amount of memory available on your machine ? Is > is recommended it be set to 2/3 to 3/5 of available RAM, as detailed in the > the Virtuoso performance tuning guide at: > > > http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtRDFPerformanceTuning > > Finally please note that the latest v5 open source release available for > download is 5.0.13 released month thus I would recommend you upgrade to this > latest version or even 6.1.0 (would require dump and reload of RDF data): > > http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/ > > Best Regards > Hugh Williams > Professional Services > OpenLink Software > Web: http://www.openlinksw.com > Support: http://support.openlinksw.com > Forums: http://boards.openlinksw.com/support > Twitter: http://twitter.com/OpenLink >