 20 Mar 2025, Konstantin Olchanski, Bug Report, Default write cache size for new equipments breaks compatibility with older equipments
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> > the main purpose of the event buffer write cache
> how to control the write cache size:
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21 Mar 2025, Stefan Ritt, Bug Report, Default write cache size for new equipments breaks compatibility with older equipments
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> All this is kind of reasonable, as only two settings of write cache size are useful: 0 to
> disable it, and 10 Mbytes to limit semaphore locking rate to reasonable value for all event
> rate and size values practical on current computers.
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25 Mar 2025, Konstantin Olchanski, Bug Report, Default write cache size for new equipments breaks compatibility with older equipments
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> > All this is kind of reasonable, as only two settings of write cache size are useful: 0 to
> > disable it, and 10 Mbytes to limit semaphore locking rate to reasonable value for all event
> > rate and size values practical on current computers.
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21 Jul 2025, Stefan Ritt, Bug Report, Default write cache size for new equipments breaks compatibility with older equipments
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> Perhaps have:
>
> set_write_cache_size("SYSTEM", 0);
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 13 Jan 2023, Denis Calvet, Suggestion, Debug printf remaining in mhttpd.cxx
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Hi everyone,
It has been a long time since my last message. While porting Midas front-end
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13 Jan 2023, Stefan Ritt, Suggestion, Debug printf remaining in mhttpd.cxx
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These debug statements were added by K.O. on June 24, 2021. He should remove it.
https://bitbucket.org/tmidas/midas/commits/21f7ba89a745cfb0b9d38c66b4297e1aa843cffd
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02 Jul 2009, Dawei Liu, Forum, Data taking hangs in the middle of run
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Hi,
We are using midas to read ADC. It sometimes hung in the middle of data taking.
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03 Jul 2009, Pierre-Andre Amaudruz, Forum, Data taking hangs in the middle of run
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Hi Dawei,
Could you give more info on your setup:
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06 Jul 2009, Dawei Liu, Forum, Data taking hangs in the middle of run
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Hi Pierr-Andre,
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21 Oct 2019, Vinzenz Bildstein, 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
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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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22 Apr 2010, Jimmy Ngai, Forum, Customized "Start" page
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Dear All,
After clicking the "Start" button, there is a page for the operator to change some
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14 Jan 2019, Becky Chislett, Bug Report, Custom script with new MIDAS
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I am having difficulty getting the custom scripts to work within the updated MIDAS. Before the
update I was using something like :
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18 Jan 2019, Konstantin Olchanski, Bug Report, Custom script with new MIDAS
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> I am having difficulty getting the custom scripts to work within the updated MIDAS. Before the
> update I was using something like :
>
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22 Jan 2019, Stefan Ritt, Bug Report, Custom script with new MIDAS
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I just check that feature and found it's still working as expected.
On trap I fell in was that a custom page needs the <input type=submit ...> to be imbedded into a pair of
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24 Jan 2019, Konstantin Olchanski, Bug Report, Custom script with new MIDAS
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> <input type=submit name=customscript value="test">
Stefan is right, input-type-submit has to be inside a form. This type of rpc call is "old school". Today, we should
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12 Dec 2008, Jimmy Ngai, Info, Custom page which executes custom function
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Dear All,
How can I add a button at the top of the "Status" webpage which will show a
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14 Dec 2008, Stefan Ritt, Info, Custom page which executes custom function
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> How can I add a button at the top of the "Status" webpage which will show a
> page similar to the "CNAF" one after I click on it? and how can I make a
> custom page similar to "CNAF" which allow me to call some custom funtions? I
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01 Jan 2009, Konstantin Olchanski, Info, Custom page which executes custom function
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> How can I add a button at the top of the "Status" webpage which will show a
> page similar to the "CNAF" one after I click on it? and how can I make a
> custom page similar to "CNAF" which allow me to call some custom funtions? I
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13 Jan 2009, Stefan Ritt, Info, Custom page which executes custom function
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The UDP connection you mention is only used locally for inter-process communication. When I implemented that, I
made extensive tests and found that there is never a packet being dropped. This happens for UDP only if the packet
goes over a physical network. Maybe this is different in modern Linux versions, so one should double check this
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