On 5/22/14 5:19 PM, Paul Houle wrote:
he first RDFEasy product is ready.
RDFEasy BaseKB Gold Compact Edition is a SPARQL database based on the
Compact Edition of :BaseKB
https://github.com/paulhoule/RDFeasy/wiki/Compact-Edition
which is a good set of facts to work from if you are interested in
Hi Sumit,
Question 1: When you start a new/empty Virtuoso 7 database the initialisation
process automatically creates the RDF_QUAD table and indexes in column-wise
mode as this is considered to be the best default for RDF work loads, mainly
due to the 3 times better data compression achieved i
Hi Sumit,
Question 1: When you start a new/empty Virtuoso 7 database the initialisation
process automatically creates the RDF_QUAD table and indexes in column-wise
mode as this is considered to be the best default for RDF work loads, mainly
due to the 3 times better data compression achieved i
Thanks Kingsley and entire community for this meaning full discussion,
After this discussion, I have 2 follow-up question.
1. How do I create a new empty database in my existing virtuoso and start
loading RDF data into that by default. I think this way I will be using
column-wise structure.
2.
On 5/22/14 9:50 AM, Kingsley Idehen wrote:
Is it normal that re-loading the data takes significantly more time than
dumping it?
Regards,
Bart
Yes, for the following reasons:
1. Exporting is just about writing to files
2. Importing is about indexing and writing to internal identifiers
(named
On 5/22/14 8:33 AM, Bart Vandewoestyne wrote:
On 2014-05-18 16:11, Hugh Williams wrote:
>Hi Sumit
>
>Ah, didn't realise you started with a v6 row store database, thus how
>did you upgrade to v7 ?
>
>As if you simply check pointed and restarted the v6 database with a v7
>binary then it would be a
On 2014-05-22 14:33, Bart Vandewoestyne wrote:
>
> Hugh and list,
>
> I just wanted to report my findings with this first option:
>
> I have a virtuoso.db file of 142 GB and it took one night to dump it to
> .ttl and .graph files. The .ttl and .graph files together take 242 GB.
>
> Re-loading the
On 2014-05-18 16:11, Hugh Williams wrote:
> Hi Sumit
>
> Ah, didn't realise you started with a v6 row store database, thus how
> did you upgrade to v7 ?
>
> As if you simply check pointed and restarted the v6 database with a v7
> binary then it would be automatically upgraded but all the tables
> i
Hi all,
in one of the last messages Hugh suggested to use the dumping/loading
scripts as explained here:
http://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtRDFDatasetDump
to move data between Virtuoso instances. When the database is "big"
though this can be less practical than just m