Patch to support Scalable CTDB

Ralph Böhme slow at
Mon Apr 30 09:46:45 UTC 2018

On Mon, Apr 30, 2018 at 08:43:51AM +0200, Volker Lendecke via samba-technical wrote:
> On Sun, Apr 29, 2018 at 10:29:51AM -0700, Partha Sarathi via samba-technical wrote:
> >      * Clustered locking.tdb record becomes "hot", bouncing between nodes
> > >>>>>>> This particular reason "itched me" :-)
> Is that really solved by partitioning of the ctdb cluster? I could
> imagine that if you share the same file space you will see broken
> locking by subcluster A not seeing the locks of subcluster B. If you
> separate out the filespaces, you don't win much except less nodes
> beating the same files. Does that really gain enough performance?

also, I guess partitioning the filespace should be possible without partitioning
the cluster at the ctdb level at all.


Ralph Boehme, Samba Team
Samba Developer, SerNet GmbH
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