On 08/15/2017 11:20 AM, Laznovsky Michael (PSI) wrote:
> I'm not familiar with arget,
https://github.com/epicsdeb/carchivetools
> but could it be that in this case PREC < -log10(ADEL), and
> they really are different values?
>
> Mike
>
>
> -----Original Message-----
>
> From: [email protected] [mailto:[email protected]] On Behalf Of Maren Purves
> Sent: Montag, 14. August 2017 23:04
> To: [email protected]
> Subject: Re: Archive Dump on Change Only
>
> On 08/14/17 01:07, Michael Davidsaver wrote:
>> On 08/13/2017 03:28 PM, Hidas, Dean wrote:
>>> Greetings EPICS Experts,
>>>
>>> I am trying to dump archive data for some setpoints but am only interested in values when they change. Is there an easy way to only print out values only once they change? I was trying something like the following:
>>>
>>> arget -s '2016-8-1 00:00:00' -e '2017-8-1 00:00:00' -c 1000 PVNAME
>>>
>>> but this gives:
>>> ...
>>> 2016-10-19 16:58:58.343624 220.0
>>> 2016-10-19 16:58:59.367182 220.0
>>> 2016-10-19 16:58:59.877238 220.0
>>> 2016-10-19 16:59:00.399215 220.0
>>> ...
>>
>> At first glance this seems like a mis-configuration of the archiver, or
>> noise. I certainly wouldn't want so much redundant data to be stored.
>> In either case, I'd suggest looking at the ADEL field of this record to
>> see if it should be increased.
>
> It depends. Some things aren't supposed to change but you
> may still want to know whether they got archived (implying
> that they got read out, which in our case sometimes they
> don't, which is also a problem).
>
> Maren
>
>
- Replies:
- Re: Archive Dump on Change Only J. Lewis Muir
- References:
- Archive Dump on Change Only Hidas, Dean
- Re: Archive Dump on Change Only Michael Davidsaver
- Re: Archive Dump on Change Only Maren Purves
- RE: Archive Dump on Change Only Laznovsky Michael (PSI)
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