[Nepomuk] More information about queries performance issues

[Will Stephenson]

On Monday 27 Feb 2012 01:32:13 Ignacio Serantes wrote:
> 1) If query fails and [Virtuoso Server]SQ200: The memory pool size
> 400016176 reached the limit 400000000 bytes, try to increase the
> MaxMemPoolSize ini setting.) error is not raised Virtuoso goes crazy and
> the only solution is to restart it.

I just clarified this with Ignacio and he does mean that the query can fail 
silently without putting this error on stderr. 

What is interesting is that the error says that it runs out of memory to 
compile the query at 400000000 bytes, whereas the Virtuoso manual says that 
the default is 10MB and we don't change that anywhere that I can see.  This is 
distinct from the NumberOfBuffers setting that the kcm_nepomuk memory slider 
changes, too.

Will