On Tue, 25 Sep 2007, Peter Tribble wrote: > This was some time ago (a very long time ago, actually). There are two > fundamental problems: > > 1. Each zfs filesystem consumes kernel memory. Significant amounts, 64K > is what we worked out at the time. For normal numbers of filesystems that's > not a problem; multiply it by tens of thousands and you start to hit serious > resource usage.
Every server we've bought for about the last year came with 4 GB of memory, the servers we would deploy for this would have at least 8 if not 16GB. Given the downtrend in memory prices, hopefully memory would not be an issue. > 2. The zfs utilities didn't scale well as the number of filesystems > increased. [...] > share all those filesystems) are there to improve scalability. Perhaps > I should find a spare machine and try repeating the experiment. There have supposedly been lots of improvements in scalability, based on my review of mailing list archives. If you do find the time to experiment again, I'd appreciate hearing what you find... -- Paul B. Henson | (909) 979-6361 | http://www.csupomona.edu/~henson/ Operating Systems and Network Analyst | [EMAIL PROTECTED] California State Polytechnic University | Pomona CA 91768 _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
