[ofa-general] Re: [RFC] [PATCH 0/3] 2.6.22 or 23 ib: add pathrecord cache

[Hal Rosenstock]

On Mon, 2007-04-23 at 18:51, Sean Hefty wrote:
> >We could solve this by implementing a process running on the same node as the
> >SA.
> >And it's probably not too hard to add a way for opensm to spit out
> >the table into an external file when it gets a signal or something.
> 
> I agree that there are ways to solve this, but those solutions won't work with
> existing SAs and define a new SA interface.  If we're willing to break
> compatibility or add extensions, we could also extend the SA to provide better
> support for caching.  For example, add a new 'path updated' trap.

There is ongoing work here. Stay tuned for IBA 1.2.1 hopefully coming
soon...

-- Hal

> IMO, I don't think that there's a huge issue initially populating the cache.
> The problems all seem to fall into keeping it updated.  I originally thought
> this would have been a bigger deal, but given that ipoib doesn't update its
> cache, it doesn't seem to be an issue in practice.
> 
> - Sean
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