[openib-general] [PATCH 4/4] SA path record caching

[Sean Hefty]

Or Gerlitz wrote:
> I think we really need to have in the very short term some solution at 
> hand which effectively allows for both the cma being used and the local 
> SA not replicating the SA.
> 
> This is since the trunk is used in various environments, currently most 
> of them are not "all-to-all MPI doing path query" and the SA replica is 
> not mature/tested enough to prove that any SM/SA can live more or less 
> happily with it.
> 
> Does it makes sense to you? can it be added with high priority?

I've added the ability to disable the cache.  The CMA will issue a path record 
query if an item is not found in the cache.

To disable the cache, the module should be loaded with "cache_timeout=0".

- Sean