From: | Vincent Dautremont <vincent(at)searidgetech(dot)com> |
---|---|
To: | John R Pierce <pierce(at)hogranch(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: measure time intervals |
Date: | 2012-04-10 13:39:13 |
Message-ID: | CAA4Vp49Cn2VNYcpK22RgXDERVuuJYhLBjcePeAGXKVskVRqbvw@mail.gmail.com |
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Lists: | pgsql-general |
Thank you but my problem is precisely because I'm using Postrgresql on a
windows computer and I cannot change that :-/
Vincent.
On Fri, Apr 6, 2012 at 1:40 PM, John R Pierce <pierce(at)hogranch(dot)com> wrote:
> On 04/05/12 7:00 AM, Vincent Dautremont wrote:
>
>> These are not affected by system time changes, so time interval can be
>> calculated even if the system time is changed by NTP or the user.
>> That's why I can't use any function based on system time.
>>
>
> properly configured Unix NTP doesn't step-change the clock, it very gently
> slows it down or speeds it up until it is accurate and maintains stability.
> and only root can change the clock on a Unix system, so this really
> shouldn't be a concern.
>
>
>
> --
> john r pierce N 37, W 122
> santa cruz ca mid-left coast
>
>
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