RE: [rfc] lockless pagecache

Chen, Kenneth W
2005-06-27T19:11:12Z

Badari Pulavarty wrote on Monday, June 27, 2005 11:51 AM
> On Mon, 2005-06-27 at 11:14 -0700, Chen, Kenneth W wrote:
> > Typically shared memory is used as db buffer cache, and O_DIRECT is
> > performed on these buffer cache (hence O_DIRECT on the shared memory).
> > You must be thinking some other workload. Nevertheless, for OLTP type
> > of db workload, tree_lock hasn't been a problem so far.
>
> What about DSS ? I need to go back and verify some of the profiles
> we have.

I don't recall seeing tree_lock to be a problem for DSS workload either.