[PATCH] Activate partitions module
abartlet at samba.org
Tue Jul 11 12:47:23 GMT 2006
On Tue, 2006-07-11 at 13:52 +0200, Stefan (metze) Metzmacher wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> Andrew Bartlett schrieb:
> > On Mon, 2006-07-03 at 10:03 +0200, Stefan (metze) Metzmacher wrote:
> >> -----BEGIN PGP SIGNED MESSAGE-----
> >> Hash: SHA1
> >> Andrew Bartlett schrieb:
> >>> This patch activates the partitions module, which is already in the
> >>> Samba4 tree.
> >>> As previously described, the partitions module creates multiple
> >>> databases under our ldap base, and limits searches to one database at a
> >>> time. It also makes it easier to point some parts of the DIT at a
> >>> remote LDAP server.
> >> Hi Andrew,
> >> the problem here is the highestCommitedUsn, this would be wrong if we
> >> have multiple ldb's.
> > I've added code to allocate the USN globally, and to use 'global'
> > transactions. I've also expanded our ejs ldb testsuite to confirm that
> > the USN is globally allocated (by means of simple addition) over all
> > partitions.
> >> Also we need to combine the results of all partitions on the global
> >> catalog port.
> > This is my next task. Do you have any preference for how I should
> > indicate to ldb from the GC port that searches should be over multiple
> > partitions?
> For now I think the best would be to open the ldb with different options:
> 1.) as readonly, LDB_FLG_RDONLY (I'm not sure if we really deny writes
> at ldb level yet..)
> (this should be done in ldap_server.c)
> 2.) pass an opaque option to ldb, and the partition modules
> reads this at connect time, and switches between two search
> implementations. the default one and the one that combines searches
> from all partitions.
Thanks, that sounds quite practical!
Andrew Bartlett http://samba.org/~abartlet/
Authentication Developer, Samba Team http://samba.org
Student Network Administrator, Hawker College http://hawkerc.net
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 189 bytes
Desc: This is a digitally signed message part
Url : http://lists.samba.org/archive/samba-technical/attachments/20060711/d41c1086/attachment.bin
More information about the samba-technical