On Sat, Mar 18, 2006 at 12:38:30PM -0500, Rod Taylor wrote: > One example might be a 'self-aggregating' structure. Start with one > entry per minute in a table indexed by time. After 2 weeks passes, the > per-minute data is aggregated and the single entry at the start of the > day is updated with the aggregate value with the other entries for the > day being removed. I believe this can cause significant index bloat > since it results in a few entries per page in the index.
FYI, that's exactly what http://rrs.decibel.org does (yeah, I know, viewcvs is down... :( ) -- Jim C. Nasby, Sr. Engineering Consultant [EMAIL PROTECTED] Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461 ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly
