 23 Sep 2015, Peter Kravtsov, Forum, db_paste_node error in offline analyzer
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I have a problem with using analyzer offline.
I'm trying to do it this way:
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22 Nov 2023, Pavel Murat, Forum, run number from an external (*SQL) db?
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Dear MIDAQ developers,
I wonder if there is a non-intrusive way to have an external (wrt MIDAS)*SQL database
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 01 Dec 2023, Pavel Murat, Forum, run number from an external (*SQL) db?
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> > - multiple subdetectors are taking test data during early commissioning
> > - a postgres db is a single sorce of run numbers.
> > - test runs taken by different subsystems are assigned different [unique] run numbers and
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01 Dec 2023, Pavel Murat, Forum, MIDAS state machine : how to get around w/o 'configured' state?
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I have one more question, though I understand that it could be somewhat border-line.
The MIDAS state machine doesn't seem to have a state in between 'initialized' and
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02 Dec 2023, Pavel Murat, Forum, run number from an external (*SQL) db?
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>
> If you go in this direction, there is an alternative to what Ben wrote: Use the sequencer to start a run.
> The sequencer script can obtain a new run number from a central instance (e.g. by calling a shell script
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02 Dec 2023, Pavel Murat, Forum, MIDAS state machine : how to get around w/o 'configured' state?
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> - To start a run, we start a special sequencer script. We have different scripts for
> calibration runs, data runs, special runs.
>
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03 Dec 2023, Pavel Murat, Forum, run number from an external (*SQL) db?
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> - how does one communicate with an external shell script from MSL ?
trying to answer my own question, as I didn't find a clear answer in the forum archive :
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09 Dec 2023, Pavel Murat, Forum, how to fix forgotten password ?
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[Dear All, I apologize in advance for spamming.]
1) I tried to login into the forum from the lab computer and realized
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09 Dec 2023, Pavel Murat, Forum, history plotting: where to convert the ADC readings into temps/voltages?
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to plot time dependencies of the monitored detector parameters, say, voltages or temperatures,
one needs to convert the coresponging ADC readings into floats.
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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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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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10 Jan 2024, Pavel Murat, Forum, slow control frontends - how much do they sleep and how often their drivers are called?
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Dear all,
I have implemented a number of slow control frontends which are directed to update the
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11 Jan 2024, Pavel Murat, Forum, slow control frontends - how much do they sleep and how often their drivers are called?
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Hi Stefan, thanks a lot !
I just thought that for the EQ_SLOW type equipment calls to sleep() could be hidden in mfe.cxx
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16 Jan 2024, Pavel Murat, Forum, a scroll option for "add history variables" window?
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Dear all,
I have a "slow control" frontend which reads out 100 slow control parameters.
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17 Jan 2024, Pavel Murat, Forum, a scroll option for "add history variables" window?
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> Have you updated to the current midas version? This issue has been fixed a while ago.
Hi Stefan, thanks a lot! I pulled from the head, and the scrolling works now. -- regards, Pasha |
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24 Jan 2024, Pavel Murat, Bug Report, Warnings about ODB keys that haven't been touched for 10+ years
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I don't immediately see a reason for saying that if a DB key is older than 10 yrs, it may not be valid.
However, it would be worth learning what was the logic behind choosing 10 yrs as a threshold.
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28 Jan 2024, Pavel Murat, Forum, number of entries in a given ODB subdirectory ?
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Dear MIDAS experts,
- I have a detector configuration with a variable number of hardware components - FPGA's receiving data
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29 Jan 2024, Pavel Murat, Forum, number of entries in a given ODB subdirectory ?
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Hi Stefan, Konstantin,
thanks a lot for your responses - they are very teaching and it is good to have them archived in the forum.
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29 Jan 2024, Pavel Murat, Forum, a scroll option for "add history variables" window?
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> If you have some ideas on how to better present 100500 history variables, please shout out!
let me share some thoughts. In a particular case which lead to the original posting,
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03 Feb 2024, Pavel Murat, Forum, number of entries in a given ODB subdirectory ?
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Konstantin is right: KEY.num_values is not the same as the number of subkeys (should it be ?)
For those looking for an example in the future, I attach a working piece of code converted
from the ChatGPT example, together with its printout.
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