Re: [Virtuoso-users] using RAMDisk software for faster database access

2012-07-08 Thread sherif kandel
.linkedin.com/company/openlink-software/ > Twitter -- http://twitter.com/OpenLink > Google+ -- http://plus.google.com/100570109519069333827/ > Facebook -- http://www.facebook.com/OpenLinkSoftware > Universal Data Access, Integration, and Management Technology Providers > > On 7 Jul 20

[Virtuoso-users] using RAMDisk software for faster database access

2012-07-07 Thread sherif kandel
I bought 32GB RAM for my machine, I used a software called "RAM Disk" That can take part of the RAM and turns it into a storage partition for you, of course with the speed of the RAM (3GB/s Read and write speeds) it's 7 times faster than an ordinary SSD. The problem is that didn' t make my querie

[Virtuoso-users] virtuoso never returns more than 1048576 rows

2012-04-17 Thread sherif kandel
I tried with more than one query that should definitely return more than 2M results , it appears that virtuoso hardlimits the result max rows to this number overriding any parameters I give in the virtuoso.ini file. it's even limited by that number in dotNetRDF library any workaround on that ?

[Virtuoso-users] Cannot allocate Buffers for more than 2GB RAM

2012-03-22 Thread sherif kandel
My Machine has 8GB of RAM , I have about 7GB of them free, but I cannot allocate more than 17 Max Buffers, it always tells me "GPF: ..\libsrc\Wi\disk.c:1370 Cannot allocate memory for Database buffers, try to decrease NumberOfBuffers INI setting" it always says that, even though I have more tha

[Virtuoso-users] Maximizing performance on virtuoso doesn't seem to work

2012-03-20 Thread sherif kandel
Simple, I have a 0.4 database file , and I allocate 1.7GB RAM for the server, The Query does roughly the same amount of time as if I did the same query on a 24GB database file (of course in both cases I query for certain triples that I know for sure that it exists in both databas files) I thought

[Virtuoso-users] Default Configuration always loaded

2012-02-17 Thread sherif kandel
When I start the virtuoso service with the configuration file virtuoso.ini Which I edited. after starting the virtuoso server, I type status(); and I find the configuration parameters is the default ones, not the ones I edited, I tried to edit some from the localhost/conductor some gets edit, and s

Re: [Virtuoso-users] overriding the server timeout

2012-02-17 Thread sherif kandel
sorry for being late, The stack trace of the exception is: System.SystemException was caught Message=Timeout expired. Source=OpenLink.Data.Virtuoso StackTrace: at OpenLink.Data.Virtuoso.Future.GetResult(ISession session, FutureList futures, Boolean remove) at OpenLink.Data.Virt

[Virtuoso-users] overriding the server timeout

2012-02-17 Thread sherif kandel
Hi, I started the virtuoso service on windows with the following configurations (configuration files attached) I'm using the dotNetRDF library to make local queries to the local server (The library makes the timeout