[Virtuoso-users] BUG: Virtuoso server truncates string literal to 20 bytes if ORDER BY is used

2008-09-30 Thread Alexander I. Gordeev
Hi All! I've found a bug which is described in subj. An easy way to reproduce (works on default empty database): 1. Add a triple where object is a string literal with more then 20 bytes in length. 2. Run a query: sparql select ?o from where {?s ?p ?o} order by ?s The output wil

Re: [Virtuoso-users] virtuoso crashes under heavy load

2008-09-22 Thread Alexander I. Gordeev
Hello Ivan, On Wednesday 17 September 2008 20:31:42 you wrote: > Alexander, > > There's no obvious reason for crash. I'd recommend to set number of > threads greater than maximum number of concurrent connections and > re-try. If bug persists I'd like to get some environment to reproduce > the prob

Re: [Virtuoso-users] sparql insert/delete problem

2008-09-22 Thread Alexander I. Gordeev
On Tuesday 16 September 2008 08:34:23 you wrote: > Alexander, > > Intially the database contains one graph, its name is > and it can be retrieved by > call JSO_SYS_GRAPH(). It contains descriptions of all RDF Views in the > system, including the "default

Re: [Virtuoso-users] sparql insert/delete problem

2008-09-15 Thread Alexander I. Gordeev
Sorry, forgot to CC to the list... On Monday 15 September 2008 16:19:34 you wrote: > Hello Alexander, > > I'm sorry but I can't reproduce the case. I've tried both Virtuoso Open > Source 5.0.8 (a fresh build downloaded from SourceForge) and the > snapshot that will become a base for 5.0.9 later th

[Virtuoso-users] virtuoso crashes under heavy load

2008-09-15 Thread Alexander I. Gordeev
Hi All! I did some stress testing and it made virtuoso crash. Here are some messages I've gathered: 1. error message on console virtuoso.jdbc3.VirtuosoException: SR214: Out of server threads. Server temporarily unavailable. Transaction rolled back. 2. syslog Sep 15 21:00:52 ws2502 kernel: [4091

[Virtuoso-users] got a segfault after several queries

2008-09-15 Thread Alexander I. Gordeev
Hi All, I've got a segfault after running these queries: sparql delete from graph { ?s ?p ?o } where {graph { ?s ?p ?o }}; sparql select * where { graph { ?s ?p ?o } }; sparql insert into graph { "1"^^

Re: [Virtuoso-users] sparql insert/delete problem

2008-09-13 Thread Alexander I. Gordeev
On Saturday 13 September 2008 03:40:41 Alexander I. Gordeev wrote: > Hi All! > > I'm currently testing Virtuoso because we need a fast RDF store which can > handle billions of triples for my company's several projects and it shows > itself very well so far. However, I'

[Virtuoso-users] sparql insert/delete problem

2008-09-12 Thread Alexander I. Gordeev
Hi All! I'm currently testing Virtuoso because we need a fast RDF store which can handle billions of triples for my company's several projects and it shows itself very well so far. However, I've found that several queries do not work as expected (neither through isql nor jdbc interface): sparq