DQM: Add a local vs. global section to the README

[schneiml]

PR description:

An update to the documentation to clarify some confusion there.

PR validation:

Documentation change only.

[cmsbuild]

The code-checks are being triggered in jenkins.

[schneiml]

+1

Nothing to see here.

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-29438/14602

• This PR adds an extra 20KB to repository

• There are other open Pull requests which might conflict with changes you have proposed:

  • File DQMServices/Core/README.md modified in PR(s): DQM: Allow per-lumi MEs in DQMOneEDAnalyzer #29321

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/5621/console Started: 2020/04/09 14:49

[cmsbuild]

A new Pull Request was created by @schneiml (Marcel Schneider) for master.

It involves the following packages:

DQMServices/Core

@cmsbuild can you please review it and eventually sign? Thanks.
@barvic this is something you requested to watch as well.
@silviodonato, @dpiparo you are the release manager for this.

cms-bot commands are listed here

[cmsbuild]

+1
Tested at: 1ec79d7
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-5253b3/5621/summary.html
CMSSW: CMSSW_11_1_X_2020-04-08-2300
SCRAM_ARCH: slc7_amd64_gcc820

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:

• New Tau ID data format #28417 @cms-tau-pog: New Tau ID data format
• Running code-format for reconstructio #29428 @cms-sw: Running code-format for reconstructio
• Running code-format for simulation-upgrade #29427 @cms-sw: Running code-format for simulation-upgrade
• Running code-format for simulation #29426 @cms-sw: Running code-format for simulation
• [HGCAL] TICL in reconstruction #29081 @rovere: [HGCAL] TICL in reconstruction
• Running code-format for reconstruction-upgrade #29425 @cms-sw: Running code-format for reconstruction-upgrade
• Running code-format for geometry #29422 @cms-sw: Running code-format for geometry
• Running code-format for geometry-upgrade #29423 @cms-sw: Running code-format for geometry-upgrade

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-5253b3/5621/git-log-recent-commits
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-5253b3/5621/git-merge-result

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-5253b3/5621/summary.html

Comparison Summary:

• No significant changes to the logs found
• ROOTFileChecks: Some differences in event products or their sizes found
• Reco comparison results: 2502 differences found in the comparisons
• DQMHistoTests: Total files compared: 34
• DQMHistoTests: Total histograms compared: 2692110
• DQMHistoTests: Total failures: 5
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2691786
• DQMHistoTests: Total skipped: 319
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 3692.104 KiB( 33 files compared)
• DQMHistoSizes: changed ( 20034.0,... ): 926.231 KiB HGCAL/HGCalValidator
• DQMHistoSizes: changed ( 20434.0,... ): 919.821 KiB HGCAL/HGCalValidator
• Checked 147 log files, 16 edm output root files, 34 DQM output files

[silviodonato]

+1