[elephant-devel] Accessing a DB from multiple processes

[Ian Eslick]

I've done this successfully in testing and I know people who have done this in production.  Also many modern lisps use OS threads and multi-threaded apps work fine.

Cheers,
Ian

On Mar 18, 2011, at 10:31 AM, Kevin Raison wrote:

> I am curious about this use case for Berkeley DB;  can someone confirm
> that multiple Lisp images can access a single BDB store without problems?
> 
> Thanks,
> Kevin
> 
> 
> On 01/25/2008 03:14 AM, Henrik Hjelte wrote:
>> On Jan 25, 2008 11:53 AM, Leslie P. Polzer <leslie.polzer at gmx.net> wrote:
>>> 
>>> I know that Elephant is thread-safe. Am I right in that I can also
>>> open a store from separate Lisp images?
>> 
>> The postmodern backend is almost optimized for this use case, with its
>> globally synced cache.
>> 
>> clsql backend works as well.
>> 
>> bdb backend should work... I had some problems with BDB in this use
>> case, but that was some time ago so I don't know the current state.
>> 
>> Note that multiple image access is not tested in the elephant
>> testcases. There is code for testing this in the project grand-prix on
>> common-lisp.net
>> 
>> /Henrik
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