 06 Jul 2016, Zhe Wang, Suggestion, Frontend crush on high event rate
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Dear friends,
We have some questions on using midas.
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 09 Jul 2016, Zhe Wang, Suggestion, Frontend crush on high event rate
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Dear friends,
I may add a little more information.
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10 Jul 2016, Zhe Wang, Suggestion, Frontend crush on high event rate 
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Dear friends,
In case anyone need the source code, it is attached.
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13 Jul 2016, Zhe Wang, Suggestion, Frontend crush on high event rate
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Somehow I don't understand why people's reply is only in my mail box.
So I pasted them here. I hope they don't mind and these information may be useful for others.
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13 Jul 2016, Zhe Wang, Suggestion, Frontend crush on high event rate
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Suggestion from John and my reply.
> We have achieved very high rates, but only with some care.
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13 Jul 2016, Zhe Wang, Suggestion, Frontend crush on high event rate
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More suggestions from John and my reply.
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30 Sep 2016, Konstantin Olchanski, Suggestion, Frontend crush on high event rate
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>
> More suggestions from John and my reply.
>
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23 Aug 2016, Andreas Suter, Forum, Alarm/Warning
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Midas has a nice alarm system. I am wondering whether it is easily possible to
get the Alarm/Warning banner also on top of custom pages?! |
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23 Aug 2016, Stefan Ritt, Forum, Alarm/Warning
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> Midas has a nice alarm system. I am wondering whether it is easily possible to
> get the Alarm/Warning banner also on top of custom pages?!
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30 Sep 2016, Konstantin Olchanski, Forum, Alarm/Warning
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> > Midas has a nice alarm system. I am wondering whether it is easily possible to
> > get the Alarm/Warning banner also on top of custom pages?!
>
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09 Sep 2016, Amy Roberts, Suggestion, AJAX jmsg "get messages since t" ability - add to docs?
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I recently needed to watch the Midas messages for a particular error - and
thus needed a command to "get all the messages since a time t".
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30 Sep 2016, Konstantin Olchanski, Suggestion, AJAX jmsg "get messages since t" ability - add to docs?
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> I recently needed to watch the Midas messages for a particular error - and
> thus needed a command to "get all the messages since a time t".
>
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13 Jun 2016, Konstantin Olchanski, Info, mongoose v6.4 is ready for use
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latest version of mongoose web server library (v6.4) is now implemented in midas. To try it out, edit
the Makefile, comment-out USE_MONGOOSE4, uncomment USE_MONGOOSE6, make clean,
make.
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13 Sep 2016, Konstantin Olchanski, Info, mongoose v6.4 is ready for use
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> latest version of mongoose web server library (v6.4) is now implemented in midas.
A number of bugs were found in the mongoose v6 implementation of HTTP digest authentication:
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26 Sep 2016, Wes Gohn, Info, mongoose v6.4 is ready for use
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Since updating to the most recent midas commit, we get the following error if we try running mhttpd without su privileges:
>mhttpd -e CR --http 8081
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26 Sep 2016, Konstantin Olchanski, Info, mongoose v6.4 is ready for use
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> Since updating to the most recent midas commit, we get the following error if we try running mhttpd without su privileges:
>
> >mhttpd -e CR --http 8081
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10 Mar 2016, Thomas Lindner, Info, New rootana forum | rootana web display tools
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We have started a new elog for discussions of the ROOTANA MIDAS analyzer package
[1], which is used at TRIUMF and elsewhere for quick displays of MIDAS data.
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16 Sep 2016, Konstantin Olchanski, Info, New rootana forum | rootana web display tools
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> We have started a new elog for discussions of the ROOTANA MIDAS analyzer package
Posting there is almost like talking to oneself - barely anybody is subscribed, not even me.
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08 Aug 2016, Konstantin Olchanski, Release, Merged - new pure html web pages: programs and alarms.
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The code for the new pure html and javascript web pages was merged into main midas.
In this release, the "programs" and "alarms" pages are implemented as html files, see
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13 Jun 2016, Konstantin Olchanski, Bug Fix, example ssl certificate removed
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I removed the example ssl certificate from the midas git repository (ssl_cert.pem). Now every midas
installation must generate their own certificate - because to have any security at all each encryption
private key has to be unique (and it has to be secret).
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13 Jun 2016, Konstantin Olchanski, Info, running mhttpd on port 443
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mhttpd running as non-root cannot bind to standard https port 443. By default, mhttpd uses port
8443 and it works just fine, but some applications such as the SSLlabs https tester insist on using
port 443.
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11 May 2016, Thomas Lindner, Info, MacOS 10.11 (El Capitan) openssl compilation errors
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I recently upgraded my macbook to MacOS 10.11. The compilation of MIDAS failed after the upgrade,
complaining about
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12 May 2016, Stefan Ritt, Info, MacOS 10.11 (El Capitan) openssl compilation errors
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> I recently upgraded my macbook to MacOS 10.11. The compilation of MIDAS failed after the upgrade,
> complaining about
>
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17 May 2016, Konstantin Olchanski, Info, openssl situation, MacOS 10.11 (El Capitan) openssl compilation errors
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> I recently upgraded my macbook to MacOS 10.11.
> [ and midas would not compile ]
> It seems that MacOS has now fully removed openssl ...
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22 Apr 2016, Wes Gohn, Bug Report, Calling external script from sequencer
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Can the MIDAS Sequencer call an external script? It seems that it should be able to. I have a simple
test script to do so. It claims to execute, but the bash script never appears to be executed. Any
suggestions?
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22 Apr 2016, Wes Gohn, Bug Report, Calling external script from sequencer
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Nevermind. I just had to give it a path to my script. Now it's fine.
> Can the MIDAS Sequencer call an external script? It seems that it should be able to. I have a simple
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22 Mar 2016, Konstantin Olchanski, Info, emacs web-mode.el
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For those who use emacs to edit web pages - the built-in CSS and Javascript modes seem to work
just fine for editing files.css and files.js, but the built-in html modes fall flat on modern web pages
which contain a mix of html, javascript inside <script> tags and javascript inside button "onclick"
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18 Mar 2016, William Page, Bug Report, incomplete copy using odbedit copy
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Hi,
Attempting to copy a subtree to a new location in the ODB using odbedit with "copy <src> <dest>" is
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22 Mar 2016, Stefan Ritt, Bug Report, incomplete copy using odbedit copy
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> Hi,
>
> Attempting to copy a subtree to a new location in the ODB using odbedit with "copy <src> <dest>" is
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09 Mar 2016, Konstantin Olchanski, Info, /Experiment/Edit on start/Edit Run number
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The MIDAS documentation here:
https://midas.triumf.ca/MidasWiki/index.php/Edit-on-start_Parameters
is missing informaiton about this ODB entry:
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22 Feb 2016, ZiyiGuo, Forum, Problem with BLTRead
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Dear all,
I'm using MIDAS system and CAEN V1721 to digitize the waveform from photomultipliers (
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23 Feb 2016, Pierre-Andre Amaudruz, Forum, Problem with BLTRead
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> Dear all,
>
> I'm using MIDAS system and CAEN V1721 to digitize the waveform from photomultipliers (
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02 Mar 2016, ZiyiGuo, Forum, Problem with BLTRead
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> > Dear all,
> >
> > I'm using MIDAS system and CAEN V1721 to digitize the waveform from photomultipliers (
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10 Dec 2015, Amy Roberts, Suggestion, script command limited to 256 characters; remove limit?
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Both the /Script and /CustomScript trees in the ODB allow users to trigger a
script via Midas - which silently truncates command strings longer than
256 characters.
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28 Jan 2016, Konstantin Olchanski, Suggestion, script command limited to 256 characters; remove limit?
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Thank you for reporting this problem:
a) ODB key *names* are restricted to 31 characters (32 bytes, last byte is a NUL), not 256 characters.
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28 Jan 2016, Amy Roberts, Suggestion, script command limited to 256 characters; remove limit?
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Using low-level memory allocation routines in higher-level programs like mhttpd makes me nervous.
We could use vector arrays to allow variable-sized allocation, and use the data() member function to access the char* needed for functions like strlcat,
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26 Feb 2016, Konstantin Olchanski, Suggestion, script command limited to 256 characters; remove limit?
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> Using low-level memory allocation routines in higher-level programs like mhttpd makes me nervous.
It should not, people have used malloc() for decades now without much injury to themselves. (Thomas corrects me: some people had big injury to their pride, |
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05 Feb 2016, Thomas Lindner, Suggestion, reducing sleep time in mhttpd main loop (for sequencer)
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There were some complaints that the MIDAS sequencer was slow. Specifically, the
complaint was that even lines in the sequence that didn't do any (like COMMENT
commands) tooks > 100ms to execute. These slow sequencer steps could be a
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05 Feb 2016, Thomas Lindner, Suggestion, reducing sleep time in mhttpd main loop (for sequencer)
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> There were some complaints that the MIDAS sequencer was slow. Specifically, the
> complaint was that even lines in the sequence that didn't do any (like COMMENT
> commands) tooks > 100ms to execute. These slow sequencer steps could be a
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06 Feb 2016, Stefan Ritt, Suggestion, reducing sleep time in mhttpd main loop (for sequencer)
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> There were some complaints that the MIDAS sequencer was slow. Specifically, the
> complaint was that even lines in the sequence that didn't do any (like COMMENT
> commands) tooks > 100ms to execute. These slow sequencer steps could be a
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15 Feb 2016, Thomas Lindner, Suggestion, reducing sleep time in mhttpd main loop (for sequencer)
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> > I checked how much extra CPU was used if the sleep was reduced from 100ms to
> > 20ms. I found that when a sequence was not running the CPU increased from 0% to
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15 Feb 2016, Stefan Ritt, Suggestion, reducing sleep time in mhttpd main loop (for sequencer)
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> Hmm, yeah, I'm not sure about how to handle reducing the wait time to zero after ODB set commands.
>
> But it does seem like it would be straight-forward to increase the sleep time for waits; I'll look into
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30 Nov 2015, Konstantin Olchanski, Release, Final MIDAS JSON-RPC API
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The final bits of the JSON-RPC API to MIDAS are committed. The API uses the Javascript Promise mechanism (supported on all
supported platforms - MacOS, Windows, Linux Ubuntu, el5, el6, el7).
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02 Dec 2015, Konstantin Olchanski, Release, Final MIDAS JSON-RPC API
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> The final bits of the JSON-RPC API to MIDAS are committed.
Here is example conversion of the function "generate midas message" from old-style AJAX to JSON-RPC:
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28 Jan 2016, Konstantin Olchanski, Release, Final MIDAS JSON-RPC API
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> > The final bits of the JSON-RPC API to MIDAS are committed.
JSON-RPC methods are now provided for all old ODBxxx() javascript functions, except ODBGetMsg().
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05 Jan 2016, Tom Stuttard, Suggestion, 64 bit bank type
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I've seen that a similar question has been asked in 2011 but I'll ask again in
case there are any updates. Is there any way to write 64-bit data words to MIDAS
banks (other than breaking them up in to two 32-bit words, such as 2 DWORDs)
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05 Jan 2016, Konstantin Olchanski, Suggestion, 64 bit bank type
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> I've seen that a similar question has been asked in 2011 but I'll ask again in
> case there are any updates. Is there any way to write 64-bit data words to MIDAS
> banks (other than breaking them up in to two 32-bit words, such as 2 DWORDs)
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19 Jan 2016, Tom Stuttard, Suggestion, 64 bit bank type
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> > I've seen that a similar question has been asked in 2011 but I'll ask again in
> > case there are any updates. Is there any way to write 64-bit data words to MIDAS
> > banks (other than breaking them up in to two 32-bit words, such as 2 DWORDs)
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10 Dec 2015, Stefan Ritt, Info, Small change in loading .odb files
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A small change in loading .odb files has been implemented. When you load an array from a .odb file, the indices in each line were not evaluated, only the
complete array was loaded. In our experiment we need however to load only a few values, like some HV values for some channels but leaving the other values
as they are. I changed slightly the code of db_paste() to correctly evaluate the index in each line of the .odb file. This way one can write for example |
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27 Nov 2015, Konstantin Olchanski, Info, updated: note on midas history
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(update: resolve all FIXMEs, document the breakup of "structured banks")
This note documents the workings of the midas history.
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24 Aug 2015, Konstantin Olchanski, Info, note on midas history
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>
> * |
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01 Sep 2015, Konstantin Olchanski, Info, note on midas history
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| Sorting |