| From: | Gokulakannan Somasundaram <gokul007(at)gmail(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: the big picture for index-only scans |
| Date: | 2011-08-24 10:19:57 |
| Message-ID: | CAHMh4-aZvpaA29tGbKtH9Dw6XS10KSXdj28f5OOcODS9VkybVA@mail.gmail.com |
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| Lists: | pgsql-hackers |
>
>
> There are extensive comments on this in visibilitymap.c and, in
> heapam.c, heap_xlog_visible().
>
> I went through the design again and again. I am convinced that this should
not have any functional bugs and should not cause much performance issues.
Nice thoughts on bypassing the WAL Logging.
Gokul.
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