[PATCH] LMDB full patch set

Andrew Bartlett abartlet at samba.org
Thu May 3 23:51:49 UTC 2018

On Thu, 2018-05-03 at 21:47 +0100, Howard Chu wrote:
> Andrew Bartlett wrote:
> > On Thu, 2018-05-03 at 20:07 +0100, Howard Chu wrote:
> > > 
> > > Next release probably in a couple weeks.
> > > 
> > > But not bundling makes no sense to me, you won't have MDB_VL32 support on
> > > 32bit builds. As I recall, 32bit support was the main reason we started this
> > > conversation however-many-years ago.
> > 
> > OK.  What happens if you build on 32 bit on the older versions?
> Then you're limited to a 2GB database size.

Thanks.  That (oddly) isn't a concern for me, I'm really not worried
about large AD domains on 32 bit platforms. 

> > In any case this is an AD DC only feature so far so I'm happy to
> > require that folks either have a modern lmdb or be on 64 bit.  It will
> > be different if the file server side takes it on, but folks running an
> > AD DC on a 32 bit old enterprise linux are rare I think.
> It's not about new vs old version; MDB_VL32 is a non-default build flag. It's 
> been there for 3-4 years already. It remains non-default because supporting 
> larger than 32bit DBs on a 32bit machine is necessarily slower than native 
> 32bit support.

OK.  I know we asked for it but I'll leave that for someone who needs
it before I make things more complex.  


Andrew Bartlett

Andrew Bartlett
Authentication Developer, Samba Team         https://samba.org
Samba Development and Support, Catalyst IT   

More information about the samba-technical mailing list