Fireworks 10_0: disable tree cache prefetching by default

[alja]

This is forward port of #22405

[alja]

+1

[cmsbuild]

@alja, CMSSW_10_1_X branch is closed for direct updates. cms-bot is going to move this PR to master branch.
In future, please use cmssw master branch to submit your changes.

[cmsbuild]

The code-checks are being triggered in jenkins.

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-22701/4077

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/27029/console Started: 2018/03/21 22:25

[cmsbuild]

A new Pull Request was created by @alja (Alja Mrak-Tadel) for master.

It involves the following packages:

Fireworks/Core

@cmsbuild can you please review it and eventually sign? Thanks.
@davidlange6, @slava77, @fabiocos you are the release manager for this.

cms-bot commands are listed here

[cmsbuild]

+1
Tested at: 6a5606d
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-22701/27029/summary.html

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:
19733ac
e2baf1a
6e763a8
4e9eadc
e92a013
You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-22701/27029/git-log-recent-commits
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-22701/27029/git-merge-result

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-22701/27029/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 39 differences found in the comparisons
• DQMHistoTests: Total files compared: 29
• DQMHistoTests: Total histograms compared: 2497880
• DQMHistoTests: Total failures: 1
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2497703
• DQMHistoTests: Total skipped: 176
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 1.48000000016 KiB( 22 files compared)
• Checked 118 log files, 9 edm output root files, 29 DQM output files

[fabiocos]

+1