[OpenAFS] File systems on Linux, again.
Fri, 30 Nov 2007 12:10:15 -0500
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Sorry to bug.
I've been looking at this, tangentially, because I've been working with
bypassing dcache/memcache, writing direct into page cache. Pretty far
along on that side of things. Is rx locking so coarse that in general
only one read makes progress even independent of the cache--to your
chas williams - CONTRACTOR wrote:
> In message <E2E34866B20B824DA894CA53D1CF0DE204C9E912@ehost005-3.exch005intermed
> ia.net>,"Jerry Normandin" writes:
>> write performance is actually impressive. file creation and deletion
>> are very slow on afs.
> because writing is easier than reading. the afs cache manager can
> group the outgoing writes together and send them in a single message.
> while the cache manager has readahead it doesnt work because the afs
> global locks blocks any progress the readahead thread might make.
> OpenAFS-info mailing list
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