Re: [Virtuoso-users] Testing Graph Equality

2009-10-22 Thread Cristian Vasquez
Hello, I love this procedure, it has been very useful to test transformations from one graph to another. Although sometimes its not so easy (for me) to interpret the resulting graph differences, I think that is direct to adjust the output. Thank you very much! Cristian. On Sat, Oct 17, 2009 at

[Virtuoso-users] Logging Messages

2009-10-22 Thread Cristian Vasquez
Hello, I have a particular use case and some questions. According to the virtuoso documentation, when Virtuoso is running with a console or with stdout going somewhere like a file, I can print debug messages using using dbg_printf() and dbg_obj_print(). What I would like to archieve now is to at

Re: [Virtuoso-users] Needed perfect settings for machine with 32gb ram

2009-10-22 Thread Ivan Mikhailov
Hi Armin, For Linux without accurate tweaks of kernel behavior, it's safer to limit memory for buffers even more, say, 1/2. That is due to noticeable consumption of memory by internal OS buffering. In addition, I should warn you that SSD's lifetime under any database application can be smaller th

Re: [Virtuoso-users] Needed perfect settings for machine with 32gb ram

2009-10-22 Thread Hugh Williams
Hi Armin, But all your system memory ie 32GB will not be available as the system itself and any other processes running on the machine will also require memory to function. In the Virtuoso performance docs it is recommended NumberOffBuffers be set 2/3 to 3/5 of system RAM: http:

[Virtuoso-users] Needed perfect settings for machine with 32gb ram

2009-10-22 Thread Armin Nagel
Hi folks, are there any limitations in numbuffers in virtuoso? I have a machine with 32gb RAM and 8 Cpu cores. 120GB SSD HDD and running 64Bit Suse Linux. I installed Virtuoso OS 5.0.11. My calculation for numbuffers is: 30(gb ram) *1024(in mbyte) *1024(in kbyte) = 31457280K / 8K = 3932160 numb