Due to legacy constraints, I have a rather complicated system that is currently
using Sun QFS (actually the SAM portion of it.) For a lot of reasons, I'd like
to look at moving to ZFS, but would like a sanity check to make sure ZFS is
suitable to this application.
First of all, we are NOT
ZFS actually uses the ZAP to handle directory lookups. The ZAP is
not a btree but a specialized hash table where a hash for each
directory entry is generated based on that entry's name. Hence you
won't be doing any sort of linear search through the entire directory
for a file, a hash is
On Thu, Aug 24, 2006 at 10:46:27AM -0700, Noel Dellofano wrote:
ZFS actually uses the ZAP to handle directory lookups. The ZAP is
not a btree but a specialized hash table where a hash for each
directory entry is generated based on that entry's name. Hence you
won't be doing any sort of
On Thu, Aug 24, 2006 at 01:15:51PM -0500, Nicolas Williams wrote:
I just tried creating 150,000 directories in a ZFS roto directory. It
was speedy. Listing individual directories (lookup) is fast.
Glad to hear that it's working well for you!
Listing the large directory isn't, but that turns
