 12 Dec 2025, Konstantin Olchanski, Bug Report, odbxx memory leak with JSON ODB dump
|
> > Confirmed fixed, thanks! There are 2 small changes I made in odbxx.h, please pull.
> There was one missing enable_jsroot in manalyzer, please pull yourself.
|
 05 Feb 2026, Konstantin Olchanski, Bug Report, omnibus bugs from running DarkLight
|
We finished running the DarkLight experiment and I am reporting accumulated bugs that we have run into.
1) history plots on 12 hrs, 24 hrs tend to hang with "page not responsive". most plots have 16-20 variables,
|
|
16 Apr 2026, Konstantin Olchanski, Forum, Migrate Legacy code to current Midas version
|
> I am migrating the full CRIPT muon tomography detector from MIDAS (SVN Rev.
> 5238, circa 2012) to a more modern release.
> The current system runs on Scientific Linux 6 and very old hardware.
|
|
16 Apr 2026, Konstantin Olchanski, Suggestion, mhttpd user permissions
|
We had our periodic discussion on MIDAS web page user permissions. (I cannot
find the link to the previous discussions, ouch!)
|
|
24 Apr 2026, Konstantin Olchanski, Bug Report, increasing the max number of hot links in ODB
|
> when I attempted to increase the max number of hotlinks in ODB , defined as
> #define MAX_OPEN_RECORDS 256 /**< number of open DB records */
> assert(sizeof(DATABASE_CLIENT) == 2112);
|
|
27 Apr 2026, Konstantin Olchanski, Bug Report, increasing the max number of hot links in ODB
|
> Indeed, updating MIDAS clients on each and every RPI etc in a running experiment may be a real challenge.
actually, only local clients must be rebuilt, remote clients connecting to the mserver do not care about ODB
|
|
27 Apr 2026, Konstantin Olchanski, Bug Report, increasing the max number of hot links in ODB
|
> I wonder why one needs more than 256 hotlinks at all.
I confirm that ALPHA is running with MAX_OPEN_RECORDS changed from 256 to 2048,
|
|
21 May 2026, Konstantin Olchanski, Info, manalyzer --save-odb
|
Due my oversight, the code for extracting ODB dumps from MIDAS data files from rootana/old_analyzer/event_dump.cxx was missing in
manalyzer.cxx.
|
|
21 May 2026, Konstantin Olchanski, Bug Report, incompatible ODB XML dumps
|
While testing manalyzer, I found that it dies from an exception on odbxx, error message is "/home/olchansk/packages/midas/include/odbxx.h:1231: No "handle"
attribute found in XML data".
|
|
14 Feb 2020, Konrad Briggl, Forum, Writting Midas Events via FPGAs
|
Hello Stefan,
is there a difference for the later data processing (after writing the ring buffer blocks)
if we write single events or multiple in one rb_get_wp - memcopy - rb_increment_wp cycle?
|
|
02 Mar 2007, Kevin Lynch, Forum, event builder scalability
|
> Hi there:
> I have a question if there's anybody out there running MIDAS with event builder
> that assembles events from more that just a few front ends (say on the order of
|
|
15 Dec 2016, Kevin Giovanetti, Bug Report, midas.h error
|
creating a frontend on MAC Sierra OSX 10
include the midas.h file and when compiling with XCode I get an error based on
this entry in the midas.h include
|
|
30 Oct 2018, Joseph McKenna, Bug Report, Side panel auto-expands when history page updates
|
One can collapse the side panel when looking at history pages with the button in
|
|
31 Oct 2018, Joseph McKenna, Bug Report, Side panel auto-expands when history page updates
|
> >
> >
> > One can collapse the side panel when looking at history pages with the button in
|
|
14 Oct 2019, Joseph McKenna, Forum, tmfe.cxx - Future frontend design
|
Hi,
I have been looking at the 2019 workshop slides, I am interested in the C++ future of MIDAS.
|
18 Oct 2019, Joseph McKenna, Info, sysmon: New system monitor and performance logging frontend added to MIDAS 
|
I have written a system monitor tool for MIDAS, that has been merged in the develop branch today: sysmon
|
|
03 Dec 2019, Joseph McKenna, Info, mfe.c: MIDAS frontend's 'Equipment name' can embed hostname, determined at run-time
|
A little advertised feature of the modifications needed support the msysmon program is
that MIDAS equipment names can support the injecting of the hostname of the system
running the frontend at runtime (register_equipment(void)).
|
|
01 May 2020, Joseph McKenna, Forum, Taking MIDAS beyond 64 clients
|
Hi all,
|
|
02 May 2020, Joseph McKenna, Forum, Taking MIDAS beyond 64 clients
|
Thank you very much for feedback.
|
|
19 Nov 2020, Joseph McKenna, Forum, History plot consuming too much memory
|
A user reported an issue that if they were to plot some history data from
|