Re: performance of first exec of prepared statement
От | Adrian Klaver |
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Тема | Re: performance of first exec of prepared statement |
Дата | |
Msg-id | 46565270-f610-a7ef-eff2-75e23ca27bcb@aklaver.com обсуждение исходный текст |
Ответ на | Re: performance of first exec of prepared statement (Ted Toth <txtoth@gmail.com>) |
Ответы |
Re: performance of first exec of prepared statement
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Список | pgsql-general |
On 4/16/20 4:59 PM, Ted Toth wrote: > > > On Thu, Apr 16, 2020 at 6:29 PM Ted Toth <txtoth@gmail.com > <mailto:txtoth@gmail.com>> wrote: > > I've noticed that the first exec of an INSERT prepared statement > takes ~5 time longer (I'm using libpq in C and wrapping the calls to > time them) then subsequent exec's is this the expected behavior and > if so is there any thing I can do to mitigate this affect? > > Ted > > > For example (in my environment) I'm seeing the prepare take ~10ms, the > first exec take ~30 ms and subsequent exec's take ~4 ms. > I don't have an answer. I believe though that to help those that might it would be helpful to show the actual code. -- Adrian Klaver adrian.klaver@aklaver.com
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