fix(clp-package): Ensure at least one worker in default calculations (fixes #1509).

[junhaoliao]

Description

Fixed the _get_num_workers() method in controller.py to ensure at least 1 worker is returned, even on single-CPU systems. The error in the equation has long existed and was moved from start_clp.py in #1178 .

Checklist

• The PR satisfies the contribution guidelines.
• This is a breaking change and that has been indicated in the PR title, OR this isn't a
  breaking change.
• Necessary docs have been updated, OR no docs need to be updated.

Validation performed

In WSL Ubuntu

task

Then changed the processors setting to 1: https://learn.microsoft.com/en-us/windows/wsl/wsl-config#main-wsl-settings ; restarted wsl

cd <project-root>
cd build/clp-package
./sbin/start-clp.sh
./sbin/compress.sh ~/samples/hive-24hr
# observed the compression completed successfully

# performed a search with string "1" in the webui and observed results were returned and the timeline was correctly displayed

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📥 Commits

Reviewing files that changed from the base of the PR and between ad7cffe and 818cd11.

📒 Files selected for processing (1)

• components/clp-package-utils/clp_package_utils/controller.py (1 hunks)

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[Eden-D-Zhang]

Lgtm