Re: [HACKERS] now 6.4

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От Bruce Momjian
Тема Re: [HACKERS] now 6.4
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Msg-id 199806300436.AAA07550@candle.pha.pa.us
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Ответ на Re: [HACKERS] now 6.4  (Vadim Mikheev <vadim@krs.ru>)
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>
> Bruce Momjian wrote:
> >
> > >       As for dropping/recreating all indices...that isn't really so bad,
> > > anyway...once all the data is there, th edatabase can go live...albeit
> > > *very* slow, in some cases, if I have 4 indices on a table, each one built
> > > should improve the speed of queries, but each build shouldn't limit the
> > > ability for the database to be up...
> >
> > Doesn't index creation lock the table?
>
> Lock for read...

Yep, good point.  Reads are OK.

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