| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Wes <wespvp(at)msg(dot)bt(dot)com> |
| Cc: | Vivek Khera <vivek(at)khera(dot)org>, pgsql general <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: REINDEX on large DB vs. DROP INDEX/CREATE INDEX |
| Date: | 2008-02-05 00:55:56 |
| Message-ID: | 11052.1202172956@sss.pgh.pa.us |
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| Lists: | pgsql-general pgsql-hackers |
Wes <wespvp(at)msg(dot)bt(dot)com> writes:
> The reason for the huge change in the vacuum time is that the indexes are
> scanned in index order instead of disk order. I understand that is fixed in
> 8.2 or 8.3 (don't recall which I saw it in), but have never gotten
> confirmation from anyone on that.
Yeah, 8.2.
regards, tom lane
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