| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Jim Nasby <decibel(at)decibel(dot)org> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Csaba Nagy <nagy(at)ecircle-ag(dot)com>, Jeremy Haile <jhaile(at)fastmail(dot)fm>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Ed L(dot)" <pgsql(at)bluepolka(dot)net>, Postgres general mailing list <pgsql-general(at)postgresql(dot)org>, Bill Moran <wmoran(at)collaborativefusion(dot)com> |
| Subject: | Re: Index bloat of 4x |
| Date: | 2007-02-05 15:11:06 |
| Message-ID: | 20070205151106.GA4092@alvh.no-ip.org |
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| Lists: | pgsql-general |
Jim Nasby wrote:
> Is there no way to change the index code to allow for moving index
> tuples from one page to another? If we could do that then presumably
> we could free up substantially more pages.
This paper
@inproceedings{DBLP:conf/sigmod/ZouS96,
author = {C. Zou and B. Salzberg},
editor = {H. V. Jagadish and Inderpal Singh Mumick},
title = {On-line Reorganization of Sparsely-populated B+trees},
booktitle = {Proceedings of the 1996 ACM SIGMOD International Conference on
Management of Data, Montreal, Quebec, Canada, June 4-6, 1996},
publisher = {ACM Press},
year = {1996},
pages = {115-124},
bibsource = {DBLP, \url{http://dblp.uni-trier.de}}
}
may be of some use here.
http://citeseer.ist.psu.edu/zou96line.html
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
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