This is an issue on Allegro since it cannot thread and call foreign
code at the same time. I do not believe that SBCL suffers from this
particular limitation - presuming the C code is thread safe which BDB
is.
Ian
On Apr 4, 2008, at 8:24 PM, Vagif Verdi wrote:
I’m looking for a object database to play with and possibly adopt
for future projects, and I’m reading elephant site and manuals so far.
I have a few questions to clarify.
Reading Allegrocache site http://www.franz.com/products/allegrocache/AllegroCache_for_ILC_2005.htm
I stumbled into this remark:
“In order to ensure isolation, the Berkeley DB code employs
aggressive locking and uses low level OS locking primitives. The
result is that the Lisp application just froze when the process was
waiting for access to data. This does not fit well with Lisp's own
multithreading.”
Since I’m interested to use elephant with Berkeley db, I want to
ask, how it fares in multi-user client-server environment?
Are there real life usage scenarios and if yes, how many users and
what size of database?
Regards,
Vagif Verdi.
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