 25 Aug 2020, Ruslan Podviianiuk, Forum, time information
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Thank you, Stefan
>>>var d = new Date(start_time_binary);
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 11 Dec 2023, Pavel Murat, Forum, the logic of handling history variables ? 11x
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Dear MIDAS developers,
I'm trying to understand handling of the history (slow control) variables in MIDAS,
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11 Dec 2023, Stefan Ritt, Forum, the logic of handling history variables ?
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First of all it's important to understand that the slow control system has nothing to do
with events. So if you look at event statistics, these are the events with the slow control
data sent to the midas data file, not the history database. So the logging period (the one you
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12 Dec 2023, Pavel Murat, Forum, the logic of handling history variables ?
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Hi Sfefan, thanks a lot for taking time to reproduce the issue!
Here comes the resolution, and of course, it was something deeply trivial :
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13 Dec 2023, Stefan Ritt, Forum, the logic of handling history variables ?
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> Also, I think that having a sine wave displayed by midas/examples/slowcont/scfe.cxx
> would make this example even more helpful.
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28 Jan 2024, Konstantin Olchanski, Forum, the logic of handling history variables ?
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MIDAS history is very simple:
from your frontend, your write your history data to ODB /eq/xxx/variables (see below)
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15 Oct 2003, Konstantin Olchanski, , test
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test
test
test |
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15 Oct 2003, Konstantin Olchanski, , test
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> test
> test
> test
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15 Oct 2003, Stefan Ritt, , test
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> > test
> > test
> > test
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11 Oct 2021, Konstantin Olchanski, Forum, test
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| test, no email. K.O. |
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11 Oct 2021, Konstantin Olchanski, Forum, test
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> test, no email. K.O.
test reply, no email. K.O. |
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11 Oct 2021, Konstantin Olchanski, Forum, test
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> > test, no email. K.O.
>
> test reply, no email. K.O.
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11 Oct 2021, Konstantin Olchanski, Forum, test
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> > > test, no email. K.O.
> >
> > test reply, no email. K.O.
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13 Mar 2019, Konstantin Olchanski, Forum, systemd unit file for mhttpd
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> > Can you post your systemd unit file to this elog, others may find it useful.
Thank you very much!
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13 Mar 2019, Pintaudi Giorgio, Forum, systemd unit file for mhttpd
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> Note: user name "neo" and home directory is hardwired into the unit file. Also
> it runs after "network.target", this may be too early, it should run after nis and autofs
> have started (and made home directories accessible). (not sure what systemd target
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14 Mar 2019, Konstantin Olchanski, Forum, systemd unit file for mhttpd
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> As far as NIS is concerned, I am sorry but I don't know how it is used by MIDAS.
NIS is traditionally used together with autofs to form clusters of UNIX/Linux machines. NIS is a database
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18 Oct 2019, Joseph McKenna, Info, sysmon: New system monitor and performance logging frontend added to MIDAS
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I have written a system monitor tool for MIDAS, that has been merged in the develop branch today: sysmon
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29 Oct 2015, Konstantin Olchanski, Info, synchronous ajax deprecated
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If using a synchronous AJAX call, such as "foo=ODBGet("/runinfo/state");", google chrome will prints this to the javascript console:
"Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check http://xhr.spec.whatwg.org/."
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29 Oct 2015, Amy Roberts, Info, synchronous ajax deprecated
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We're using mhttpd for calls that end up working better with asynchronous requests, and we've built up sort of a parallel, asynchronous library using javascript
Promises.
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30 Oct 2015, Stefan Ritt, Info, synchronous ajax deprecated
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> We're using mhttpd for calls that end up working better with asynchronous requests, and we've built up sort of a parallel, asynchronous library using
javascript Promises.
>
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