 16 Sep 2019, Konstantin Olchanski, Info, New history plot facility
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> During my visit at TRIUMF we rewrote the history plotting functionality of midas.
This is a most amazing achievement. We wanted to do this "for years" and I think we have
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16 Sep 2019, Konstantin Olchanski, Forum, History plot problems for frontend with multiple indicies
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> My first question would be why are you using several font-ends at all? That makes things more
> complicated than needed. In the normal FE framework, you can define either several equipment
> served by one frontend, or even one equipment linked to several devices.
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16 Sep 2019, Konstantin Olchanski, Forum, History plot problems for frontend with multiple indicies
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> it's probably better to run a multi-threaded setup, than individual frontends.
I recommend against using multiple threads if at all possible and unless absolutely required.
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16 Sep 2019, Konstantin Olchanski, Forum, History plot problems for frontend with multiple indicies
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> thanks for your reply. I can confirm that your suggested workaround does indeed
> make the problem dissapear.
> I guess this issue hasn't been seen at T2K since we use MYSQL for the history.
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17 Sep 2019, Konstantin Olchanski, Info, New history plot facility
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> > On the mhttpd side, please capture the stack trace from the crash
>
> here comes the stack trace (only happens when using safari 12.1.2 macOS 10.14.6):
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17 Sep 2019, Konstantin Olchanski, Forum, History plot problems for frontend with multiple indicies
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> [local:e666:S]History>ls -l /History/Events
> Key name Type #Val Size Last Opn Mode Value
> ---------------------------------------------------------------------------
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 27 Sep 2019, Konstantin Olchanski, Bug Fix, improvement for midas web page resource use
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I noticed that midas web pages consume unexpectedly large amount of resources, as observed by the chrome browser
"task manager" and by other tools.
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27 Sep 2019, Konstantin Olchanski, Bug Fix, improvement for midas web page resource use (alarm sound)
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> I noticed that midas web pages consume unexpectedly large amount of resources, as observed by the chrome browser
> "task manager" and by other tools.
>
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27 Sep 2019, Konstantin Olchanski, Release, midas-2019-09
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I created the release branch for midas-2019-09 and tag midas-2019-09-a.
Since the previous release midas-2019-06, some news:
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27 Sep 2019, Konstantin Olchanski, Forum, Open a hotlink to a single element in an ODB array
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> I will try to use the db_watch function in the future.
Note that db_watch() and db_open_record() work exactly the same way, both only allow
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27 Sep 2019, Konstantin Olchanski, Suggestion, recover daq and hardware safety.
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> We have encountered a safety issue with our HPGe HV and it's midas frontend.
At TRIUMF and other labs the words "safety issue" have very specific meaning and
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27 Sep 2019, Konstantin Olchanski, Bug Report, lazylogger in cmake & max_event_size
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> The compile option -DHAVE_FTPLIB checked in mdsupport.cxx disappeared if you
> compile with cmake.
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27 Sep 2019, Konstantin Olchanski, Forum, History plot problems for frontend with multiple indicies
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We should fix this for midas-2019-10.
https://bitbucket.org/tmidas/midas/issues/193/confusion-in-history-event-ids
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27 Sep 2019, Konstantin Olchanski, Forum, mhttpd start and stop redirect to Transition page
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> I recently upgraded to MIDAS version midas-2019-06-b. I had to make a few changes
> to get our custom page running again, but am a little confused on starting and
> stopping runs.
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29 Sep 2019, Konstantin Olchanski, Suggestion, recover daq and hardware safety.
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>
> The issue occurs when e.g. one channel can not be turned on and ramp for some temp/specific
> reason, and someone else is working on the daq and reloads the odb for e.g. 1h ago.
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29 Sep 2019, Konstantin Olchanski, Forum, MIDAS interface for WAGASCI online monitor
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> online monitor would show (almost in real-time) the
> gain, the dark noise, and the pedestal for all the channels, the 2D tracks
> inside the detectors for each spill and so on.
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30 Sep 2019, Konstantin Olchanski, Forum, MIDAS interface for WAGASCI online monitor
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>
> As Thomas said, maybe the simplest thing would be to use the ROOT THttpServer. Honestly, I do
> not think that ROOT was ever meant to act as an online monitor due to its wacky memory
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10 Oct 2019, Konstantin Olchanski, Bug Report, History data size mismatch
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>
> In our history, a long list of doubles (64 Bit) fas followed by three floats (32 bit)
>
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23 Oct 2019, Konstantin Olchanski, Forum, Data for key truncated
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> I keep on getting messages like this:
> 16:25:35 [fecaen,ERROR] [odb.c:4567:db_get_data,ERROR] data for key
> "/DAQ/params/VX1730/custom/Board 0/Channel 0/Input range" truncated
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24 Oct 2019, Konstantin Olchanski, Bug Report, lazylogger in cmake & max_event_size
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> > > The compile option -DHAVE_FTPLIB checked in mdsupport.cxx disappeared if you
> > > compile with cmake.
> >
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