[zfs-discuss] Multiple filesystem costs? Directory sizes?

2007-05-01 Thread Mario Goebbels
While setting up my new system, I'm wondering whether I should go with plain directories or use ZFS filesystems for specific stuff. About the cost of ZFS filesystems, I read on some Sun blog in the past about something like 64k kernel memory (or whatever) per active filesystem. What are however

Re: [zfs-discuss] Multiple filesystem costs? Directory sizes?

2007-05-01 Thread Richard Elling
Mario Goebbels wrote: While setting up my new system, I'm wondering whether I should go with plain directories or use ZFS filesystems for specific stuff. About the cost of ZFS filesystems, I read on some Sun blog in the past about something like 64k kernel memory (or whatever) per active

Re: [zfs-discuss] Multiple filesystem costs? Directory sizes?

2007-05-01 Thread Jeff Bonwick
Mario, For the reasons you mentioned, having a few different filesystems (on the order of 5-10, I'd guess) can be handy. Any time you want different behavior for different types of data, multiple filesystems are the way to go. For maximum directory size, it turns out that the practical limits