Re: Benchmark Data requested
От | Simon Riggs |
---|---|
Тема | Re: Benchmark Data requested |
Дата | |
Msg-id | 1202225207.4252.718.camel@ebony.site обсуждение исходный текст |
Ответ на | Re: Benchmark Data requested (Richard Huxton <dev@archonet.com>) |
Ответы |
Re: Benchmark Data requested
Re: Benchmark Data requested Re: Benchmark Data requested |
Список | pgsql-performance |
On Tue, 2008-02-05 at 15:05 +0000, Richard Huxton wrote: > > Only by locking the table, which serializes access, which then slows you > > down or at least restricts other options. Plus if you use pg_loader then > > you'll find only the first few rows optimized and all the rest not. > > Hmm - the table-locking requirement is true enough, but why would > pg_loader cause problems after the first few rows? It runs a stream of COPY statements, so only first would be optimized with the "empty table optimization". -- Simon Riggs 2ndQuadrant http://www.2ndQuadrant.com
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