Hi Hugh,
I tried as described on the Web page. For a while, memory usage remained
constant, but after a while it suddenly rose and broke:
14:55:30 ERROR: Memory low! Using memory reserve to terminate current
activities properly
14:55:30 ERROR: Current location of the program break 1307008614
Hi Ivan,
I went through the Conductor UI, RDF -> Graphs -> Rename.
NumberOfBuffers and MaxDirtyBuffers were set to 2359296 (=18GB, on a
machine with 24GB of RAM)
VOS Version is 06.01.3127
Cheers,
Martin
On 23.01.2012 13:01, Ivan Mikhailov wrote:
Hello Martin,
11:37:36 ERROR: Memory low!
Hello Martin,
> 11:37:36 ERROR: Memory low! Using memory reserve to terminate current
> activities properly
> 11:37:36 ERROR: Current location of the program break 19991629824
> 11:37:36 ERROR: GPF: gate.c:1464 loop in registered cursors
What was the exact text of the executed query? I'd like to
Hi Martin,
Please see the following tip on rename graphs in Virtuoso, the key for large
graphs being to perform the operation in auto-commit mode (log_enable(3)) to
avoid excessively sized transaction log depleting memory:
http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtTips
Hi,
I'd like to rename a graph with about 150 million triples in Virtuoso
Open Source 6.1
The Virtuoso db file has 16GB.
Which is the best way to rename such a big graph? Going through
Conductor/RDF/Graphs/rename or using isql?
Which are the required buffer sizes for renaming the graph?
I
Hello Peter,
FROM is to form default graph only, it does not affect named graphs at
all.
In order to restrict both bindings in default graph and bindings in
graph ?dataset {...}, use
FROM FROM NAMED
FROM FROM NAMED
etc.
Of course, you don't have to keep lists of default and named graphs
iden
Hi everyone,
We have a query as follows:
SELECT ?new_id ?attribute ?value ?id ?dataset
FROM
FROM
FROM
FROM
FROM
WHERE {
?s prefixA:ID ?old_id .
?old_id ?attribute ? value
graph ?dataset { ?old_id prefixB:new_attribute ?new_id}
}
Data is held in graph
A duplicate graph exists that is not s
