Fixed codes which causes memory issue by GEM onlineDQM

[quark2]

PR description:

There is an issue with GEM onlineDQM (#38666), which is due to the wrong way to keep the geometry information of GEM chambers. (See this line.) It has been fixed by adapting a safer and lighter method.

PR validation:

Test are done with cmsRun $CMSSW_RELEASE_BASE/src/DQM/Integration/python/clients/gem_dqm_sourceclient-live_cfg.py unitTest=True

@jshlee @watson-ij @seungjin-yang

[cmsbuild]

-code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-38908/31349

• This PR adds an extra 24KB to repository

Code check has found code style and quality issues which could be resolved by applying following patch(s)

• code-format:
  https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-38908/31349/code-format.patch
  e.g. curl -k https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-38908/31349/code-format.patch | patch -p1
  You can also run scram build code-format to apply code format directly

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-38908/31350

• This PR adds an extra 28KB to repository

[cmsbuild]

A new Pull Request was created by @quark2 for master.

It involves the following packages:

• DQM/GEM (dqm)

@emanueleusai, @ahmad3213, @cmsbuild, @jfernan2, @pmandrik, @micsucmed, @rvenditti can you please review it and eventually sign? Thanks.
@watson-ij this is something you requested to watch as well.
@perrotta, @dpiparo, @qliphy, @rappoccio you are the release manager for this.

cms-bot commands are listed here

[emanueleusai]

please test

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-65710e/26588/summary.html
COMMIT: 73b4e7a
CMSSW: CMSSW_12_5_X_2022-08-01-2300/el8_amd64_gcc10
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmssw/38908/26588/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

There are some workflows for which there are errors in the baseline:
1042.0 step 3
The results for the comparisons for these workflows could be incomplete
This means most likely that the IB is having errors in the relvals.The error does NOT come from this pull request

Summary:

• No significant changes to the logs found
• Reco comparison results: 8 differences found in the comparisons
• DQMHistoTests: Total files compared: 51
• DQMHistoTests: Total histograms compared: 3669004
• DQMHistoTests: Total failures: 8
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3668974
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 50 files compared)
• Checked 210 log files, 47 edm output root files, 51 DQM output files
• TriggerResults: no differences found

[emanueleusai]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next master IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @perrotta, @dpiparo, @qliphy, @rappoccio (and backports should be raised in the release meeting by the corresponding L2)

[qliphy]

+1

[francescobrivio]

Backported in #38694