 14 Dec 2012, Stefan Ritt, Suggestion, Midas + Elog with SSL
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> I've been trying to set up midas to create an automatic elog entry at the end of
> each run and I've run into a problem. I've setup an elog on our server which
> uses SSL and it seems that the melog provided by midas to create logbook entries
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17 Dec 2012, Vinzenz Bildstein, Suggestion, Midas + Elog with SSL
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> > I've been trying to set up midas to create an automatic elog entry at the end of
> > each run and I've run into a problem. I've setup an elog on our server which
> > uses SSL and it seems that the melog provided by midas to create logbook entries
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 18 Mar 2024, Grzegorz Nieradka, Bug Report, Midas (manalyzer) + ROOT 6.31/01 - compilation error
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I tried to update MIDAS installation on Ubuntu 22.04.1 to the latest commit at
the bitbucket.
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18 Mar 2024, Konstantin Olchanski, Bug Report, Midas (manalyzer) + ROOT 6.31/01 - compilation error
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> [ 34%] Linking CXX executable manalyzer_test.exe
> /usr/bin/ld: /home/astrocent/workspace/root/root_install/lib/libRIO.so: undefined
> reference to
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19 Mar 2024, Grzegorz Nieradka, Bug Report, Midas (manalyzer) + ROOT 6.31/01 - compilation error 
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Dear Konstantin,
Thank you for your interest in my problem.
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19 Mar 2024, Konstantin Olchanski, Bug Report, Midas (manalyzer) + ROOT 6.31/01 - compilation error
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ok, thank you for your information. I cannot reproduce this problem, I use vanilla Ubuntu
LTS 22, ROOT binary kit root_v6.30.02.Linux-ubuntu22.04-x86_64-gcc11.4 from root.cern.ch
and latest midas from git.
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19 Mar 2024, Konstantin Olchanski, Bug Report, Midas (manalyzer) + ROOT 6.31/01 - compilation error
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> ok, thank you for your information. I cannot reproduce this problem, I use vanilla Ubuntu
> LTS 22, ROOT binary kit root_v6.30.02.Linux-ubuntu22.04-x86_64-gcc11.4 from root.cern.ch
> and latest midas from git.
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28 Mar 2024, Grzegorz Nieradka, Bug Report, Midas (manalyzer) + ROOT 6.31/01 - compilation error
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I found solution for my trouble. With MIDAS and ROOT everything is OK,
the trobule was with my Ubuntu enviroment.
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02 Apr 2024, Konstantin Olchanski, Bug Report, Midas (manalyzer) + ROOT 6.31/01 - compilation error
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> I found solution for my trouble. With MIDAS and ROOT everything is OK,
> the trobule was with my Ubuntu enviroment.
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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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12 Aug 2015, Konstantin Olchanski, Info, Merged - improved midas network security
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> New git branch "feature/rpcsecurity" implements these security features:
Branch was merged into main midas with a few minor changes:
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14 Aug 2015, Stefan Ritt, Info, Merged - improved midas network security
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I tested the new scheme and am quite happy with. Just a minor thing. When I change the ACL, I get messages from all attached programs, like:
[local:Online:S]RPC hosts>set "Allowed hosts[1]" "host.psi.ch"
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14 Aug 2015, Konstantin Olchanski, Info, Merged - improved midas network security
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> [local:Online:S]RPC hosts>set "Allowed hosts[1]" "host.psi.ch"
> [ODBEdit,INFO] Reloading RPC hosts access control list via hotlink callback
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04 Jul 2025, Mark Grimes, Bug Report, Memory leaks in mhttpd
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Something changed in our system and we started seeing memory leaks in mhttpd again. I guess someone
updated some front end or custom page code that interacted with mhttpd differently.
I found a few memory leaks in some (presumably) rarely seen corner cases and we now see steady
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04 Jun 2025, Mark Grimes, Bug Report, Memory leak in mhttpd binary RPC code
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Hi,
During an evening of running we noticed that memory usage of mhttpd grew to close to 100Gb. We think we've traced this to the following issue when making
RPC calls.
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04 Jun 2025, Konstantin Olchanski, Bug Report, Memory leak in mhttpd binary RPC code
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Noted. I will look at this asap. K.O.
[quote="Mark Grimes"]Hi,
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07 Jun 2025, Mark Grimes, Bug Report, Memory leak in mhttpd binary RPC code
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Hi,
We applied an intermediate fix for this locally and it seems to have fixed our issue. The attached plot shows the percentage memory use
on our machine with 128 Gb memory, as a rough proxy for mhttpd memory use. After applying our fix mhttpd seems to be happy using ~7% of the memory |
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10 Jun 2025, Konstantin Olchanski, Bug Report, Memory leak in mhttpd binary RPC code
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I confirm that MJSON_ARRAYBUFFER does not work correctly for zero-size buffers,
buffer is leaked in the destructor and copied as NULL in MJsonNode::Copy().
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15 Jun 2025, Mark Grimes, Bug Report, Memory leak in mhttpd binary RPC code
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Many thanks for the fix. We've applied and see better memory performance. We still have to kill and restart
mhttpd after a few days however. I think the official fix is missing this part:
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23 Jun 2025, Stefan Ritt, Bug Report, Memory leak in mhttpd binary RPC code
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Since this memory leak is quite obvious, I pushed the fix to develop.
Stefan |