On Nov 28, 2007 11:11 PM, Chris Johnson <address@hidden> wrote:
On Wed, 28 Nov 2007, Kevan Benson wrote:
Chris Johnson wrote:
I also tried the io-cache on the client side. MAN does that
work. I had a 256 MB cache defind. A reread of my 24 MB file took 72
MS. I don't think it even bothered with the server much. I need to
try that on the server. Might help if a bunch of computer nodes
hammer on the same file at the same time.
Careful with io-cache and io-threads together, depending on where you define
it (I think), the cache is per-thread. so if you have 8 threads and a 256 MB
cache defined, be prepared for 2 GB of cache use...
No, If you define one io-cache translator there is only one cache. All the
threads will refer to the same io-cache translator with which it is associated