[Pvfs2-developers] client caches

Rob Ross rross at mcs.anl.gov
Tue Jul 1 15:17:43 EDT 2008


heh that's fine. thanks! -- rob

On Jul 1, 2008, at 2:02 PM, Walter Ligon wrote:

> LOL, ok, that's what I was thinking.  How about cap_cache for  
> capabilities?  Or do you not like the underline?
>
> Walt
>
> Rob Ross wrote:
>> let's try to use at least two letters to describe what kind of data  
>> we are caching, from now on. -- rob
>> On Jul 1, 2008, at 11:05 AM, Sam Lang wrote:
>>>
>>> Hi Walt,
>>>
>>> The acache (attribute cache) and ncache (name cache) are both  
>>> based on a generic timeout cache interface (tcache).  It shouldn't  
>>> be hard to build up a capability cache using tcache, and will  
>>> allow you to handle timeouts for capabilities separate from the  
>>> attributes, which I would imagine you're going to want to do.   
>>> There's a good chance Rob will explode if you call it ccache though.
>>>
>>> -sam
>>>
>>> On Jul 1, 2008, at 10:56 AM, Walter Ligon wrote:
>>>
>>>> Hey all,
>>>>
>>>> I'm not an expert on the a-cache and d-cache, so I wanted to get  
>>>> some opinion from the group before diving into something.  We are  
>>>> going to need to manage capabilities on the client.  My gut  
>>>> intuition say they should go in the a-cache, but I don't know how  
>>>> a big a deal it is to add an arbitrary sized blob into that.   
>>>> Would it be better to create a new c-cache, or should it be easy  
>>>> enough to add it to the a-cache?
>>>>
>>>> Any hints would be appreciated.
>>>>
>>>> Walt



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