On 07/26/2012 11:25 AM, MORITA Kazutaka wrote: > At Thu, 26 Jul 2012 10:55:00 +0800, > Liu Yuan wrote: >> >> On 07/26/2012 09:49 AM, levin li wrote: >>> Currently, -W is not always needed even if -w is used, if no -W, it means >>> the cache will never be reclaimed. >>> >>> If we use -w like the way you mentioned, maybe we can not use it like the >>> following way to specify that no cache will be reclaimed. >>> >>> $ sheep -w -d /store >> >> maybe we can use -w 0 to indicate that we don't need cache reclaim? > > Are there any cases where unlimited object cache is necessary? Even > if we have a machine with 1 TB RAM, we should specify '-w 1048576' to > avoid OOM errors, shouldn't we? > Probably we more need automatic detection of best reclaim size. For e.g, -w auto means automatic detection -w user 10G means manual setting. Unlimited object cache seems not necessary to me. Thanks, Yuan |