[RFC] [CTDB] Optimized memory handling.

[Jeremy Allison]

On Thu, Dec 14, 2017 at 10:42:58AM +1100, Amitay Isaacs wrote:
> 
> Even without seeing the proof I can imagine the improvements in packet
> handling using the talloc pool.  That code is in the hot path and
> avoiding extra malloc() calls will definitely result in reducing the
> load on ctdb daemon.  However, as Jeremy mentioned, it would be good
> to verify with real numbers.
> 
> As outlined in another email, I would prefer if you make these changes
> in sock_io.c.  It will be easier to spin up a self-contained
> performance test using sock_io without needing to run an expensive
> cluster test.
> 
> Regarding the actual changes, I wish I had looked at talloc pools
> before.  Packet handling is the ideal place for using talloc pools.  I

Yep. That's why Volker invented them for smbd :-).