 09 Aug 2023, Konstantin Olchanski, Bug Fix, Stefan's improved ODB flush to disk
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This is an important improvement, should have a post of it's own. K.O.
> > > RFE filed:
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 14 Aug 2023, Konstantin Olchanski, Bug Report, excessive logging of http requests
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> Our default configuration of apache httpd logs every request.
> MIDAS custom web pages can easily make a huge number of RPC calls creating a
> huge log file and filling system disk to 100% capacity.
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15 Aug 2023, Konstantin Olchanski, Info, mlogger update
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A bit of update to the mlogger. In preparation for more cleanup when Stefan is
here at TRIUMF.
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16 Aug 2023, Konstantin Olchanski, Bug Report, midas wants to show notification?
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I started to get web browser popups about "midas wants to show notifications,
block/allow/x". is this a glitch or a new unannounced/undocumented feature?
google chrome on macos. K.O. |
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16 Aug 2023, Konstantin Olchanski, Bug Report, midas wants to show notification?
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> This feature was asked by some people ...
"show notifications" popups are strongly associated with disreputable web sites (presumably to
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16 Aug 2023, Konstantin Olchanski, Bug Report, excessive logging of http requests
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> > Our default configuration of apache httpd logs every request.
> > MIDAS custom web pages can easily make a huge number of RPC calls creating a
> > huge log file and filling system disk to 100% capacity.
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17 Aug 2023, Konstantin Olchanski, Bug Report, Error accessing history files
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Confirmed. The error message is wrong. It is printed after a short read(), but short read() does not
set errno, and errno reported by the error message is from some previous syscall. Corrected error
message is already committed. K.O.
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17 Aug 2023, Konstantin Olchanski, Bug Report, excessive logging of http requests
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> > > Our default configuration of apache httpd logs every request.
> > > MIDAS custom web pages can easily make a huge number of RPC calls creating a
> > > huge log file and filling system disk to 100% capacity.
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14 Sep 2023, Konstantin Olchanski, Forum, Hide start and stop buttons
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I believe the original "hide run start / stop" was added specifically for ND280 GSC MIDAS. I do not know
why it was removed. "hide pause / resume" is still there. I will restore them. Hiding logger channel
section should probably be automatic of there is no /logger/channels, I can check if it works and what
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03 Oct 2023, Konstantin Olchanski, Bug Fix, wrong array size after loading xml or json file
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both the xml and the json decoders have a bug (fix pending). loading saved odb
from xml and json file did not truncate arrays in odb to the size of arrays in
the file. for example, if /example/double_array has size 20 in odb, but size 5
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06 Oct 2023, Konstantin Olchanski, Bug Report, Error accessing history files
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> Still get the same error with the latest version:
> 3:28 [mhttpd,ERROR] [history_schema.cxx:2913:FileHistory::read_data,ERROR] Cannot read
> '/data2/history/mhf_1692391703_20230818_hv_tc.dat', read() errno 2 (No such file or directory)
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06 Oct 2023, Konstantin Olchanski, Bug Report, Error accessing history files
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> two fixes forthcoming:
> a) check for short read in the 2nd place that I missed
> b) two write() are replaced by 2 memcpy() to a preallocated buffer and 1 write()
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06 Oct 2023, Konstantin Olchanski, Info, default midas history switched to "FILE" and "PerVariable" history
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We are very happy with the "FILE" implementation of MIDAS history and it is time
to make it the default for new experiments. This history driver works best if
"per variable" history is alos enabled. (SQL history already only works in "per-
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06 Oct 2023, Konstantin Olchanski, Info, new history panel editor
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the new history panel editor has been activated. it is meant to work the same as
the old editor, with some improvements to the history variables selection page.
this new version is written in html+javascript and it will be easier to improve,
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13 Nov 2023, Konstantin Olchanski, Forum, mlogger does not HAVE_ROOT
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> I am setting up Midas (v2.1) for a new experiment. We want to save the data in the ROOT format. We installed ROOT from source (v6.28/06), and ROOTSYS
is set. When we compile Midas, it says that it found ROOT. We set up a second logger channel where we set the filename to run%05d.root, the format to ROOT,
and the output to ROOT. Nevertheless, when starting a run, the logger writes the error that "channel '1' requested ROOT output, but mlogger is built without |
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14 Nov 2023, Konstantin Olchanski, Forum, mlogger does not HAVE_ROOT
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> Finally, make sure you start "rmlogger" and not "mlogger". Only "rmlogger" contains the ROOT binding.
Stefan is right. I forgot this. As solution to our troubles, mlogger is built without root support. use rmlogger instead.
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27 Dec 2023, Konstantin Olchanski, Forum, MidasWiki updated to 1.39.6
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MidasWiki was updated to current mediawiki LTS 1.39.6 supported until Nov 2025,
see https://www.mediawiki.org/wiki/Version_lifecycle
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29 Dec 2023, Konstantin Olchanski, Bug Report, Compilation error on RPi
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> git pull
> git submodule update
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02 Jan 2024, Konstantin Olchanski, Forum, midas.triumf.ca alias moved to daq00.triumf.ca
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the DNS alias for midas.triumf.ca moved from old ladd00.triumf.ca to new
daq00.triumf.ca. same as before it redirects to the MidasWiki and to the midas
forum (elog) that moved from ladd00 to daq00 quite some time ago. if you see any
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03 Jan 2024, Konstantin Olchanski, Forum, midas.triumf.ca alias moved to daq00.triumf.ca
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> I found the first issue: The link to
> https://midas.triumf.ca/MidasWiki/index.php/Custom_plots_with_mplot
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