Path: utzoo!attcan!uunet!vsi!friedl From: friedl@vsi.UUCP (Stephen J. Friedl) Newsgroups: comp.databases Subject: Re: Large Databases Summary: Reposted from comp.unix.questions Message-ID: <838@vsi.UUCP> Date: 15 Sep 88 01:10:29 GMT References: <8194@alice.UUCP> Distribution: na Organization: V-Systems, Inc. -- Santa Ana, CA Lines: 25 Hi folks, this was in comp.unix.{wizards,questions} and belongs on comp.databases. Please don't reply to me... In article <8194@alice.UUCP>, andrew@alice.UUCP (Andrew Hume) writes: < < does anyone know of, or can recommend, any UNIX database packages < than can handle large databases? for the purpose of this question, < consider large to mean 10^7 tuples. the keys average 40-60 bytes, < the data averages about 30 bytes. i need real fast lookup by key, < reasonably fast update and plausibly fast traversal of all keys. < i have been using weinbergers compressed B-trees but my b-tree is < now 4 levels deep (thus breaking the rule that all b-trees are 3 deep) < and i have to rebuild the database too often (12 CPU hrs on a 750). < < PLEASE mail replies to me directly, i will post a summary to the net < if requested. < < andrew hume < andrew@research.att.com < research!andrew -- Steve Friedl V-Systems, Inc. +1 714 545 6442 3B2-kind-of-guy friedl@vsi.com {backbones}!vsi.com!friedl attmail!vsi!friedl ------------Nancy Reagan on conductance: "Just say mho"------------