From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Zhuravlev Date: Mon, 22 Sep 2008 11:26:55 +0400 Subject: [Lustre-devel] Doubly indexed tree / changelogs In-Reply-To: References: Message-ID: <48D748BF.1030404@sun.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lustre-devel@lists.lustre.org Peter Braam wrote: > Sure, when aggregations apply. But they do not apply in general (e.g. > Filesets that are search results) and we need a doubly indexed tree for > that. ah, clear enough > Hence my question, what doubly indexed trees exist? there is K-D tree, but I'm not sure it fits here. if number of filesets is limited, then we probably could build a table of all possible filesets ovelapping and put table's index into inode? this is for reverse mapping to find all filesystems for given inode. thanks, Alex