[PATCH] LMDB key value backend for ldb_tdb (to be renamed ldb_key_val)

[Andrew Bartlett]

On Thu, 2018-04-05 at 07:18 +1200, Andrew Bartlett via samba-technical
wrote:
> On Wed, 2018-04-04 at 17:54 +1200, Andrew Bartlett wrote:
> > On Wed, 2018-04-04 at 06:57 +1200, Andrew Bartlett wrote:
> > > 
> > > However I will work today to see if anything can be pulled forward
> > > without upending the entire patch set.  It may be possible to bring
> > > some tests forward without the build hook for the lmdb mode, for
> > > example. 
> > 
> > I've spend my entire work day today re-ordering the patch set.  I hope
> > this is now satisfactory, as I can't put much more time into this.
> > 
> > Attached are two patches, one on top of the other patches sent today,
> > and one with all the LDB patches I'm trying to get merged.
> > 
> > Each patch compiles on its own and passes the ldb tests on its own.
> > 
> > If you could let me know that you are happy that I've addressed your
> > concerns as far as is practical that would be most appreciated. 
> > (Review comments also most welcome). 
> > 
> > The full CI results will be here:
> > https://gitlab.com/catalyst-samba/samba/pipelines/19933665
> 
> Garming, this showed:
> https://gitlab.com/catalyst-samba/samba/-/jobs/60989918
> 
> That is, a return to the imfamous 'failed to upgrade hash locks' on
> TDB.  Is this still something we get from time to time or should I look
> into it more specifically?

I've seen this on a master build, so it is just happening without these
patches, but I also have a patch to address the issue by locking the
init() hook. 

I have them in this branch:

https://gitlab.com/catalyst-samba/samba/commits/lmdb-pre-7

You can see the CI results for the current iteration by clicking the CI
icon on the top commit, currently
https://gitlab.com/catalyst-samba/samba/pipelines/20234789

Andrew Bartlett
-- 
Andrew Bartlett                       http://samba.org/~abartlet/
Authentication Developer, Samba Team  http://samba.org
Samba Developer, Catalyst IT          http://catalyst.net.nz/services/samba