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In the custom Java framework described here, full parallel execution is configured through its Run Manager, Allocator, global properties, and Maven profile—not through a universal setting shared by all hybrid frameworks. Enable the intended scenarios, configure the sheet selection and thread count, isolate per-thread resources, then run the allocator flow. Confirm that your project uses these components and property names before copying the examples.

What this setup expects

The approach assumes a framework with Excel-based Run Manager sheets and a custom Allocator that reads enabled rows, pairs keyword execution blocks with their data, and dispatches the resulting work to a thread pool. The available description does not establish a repository, release, or independently verified implementation, so treat the property names and command below as examples for that framework rather than standard Java or Maven configuration. See the DEV Community article.

Configure the run

  1. Enable the scenarios you want

    In the relevant Run Manager sheets, set Execute=Yes for each keyword or data-driven scenario intended for the run. The described Allocator uses those rows to determine what work to dispatch.

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  2. Set the thread count

    In Global Settings.properties, set NumberOfThreads to the number of enabled scenarios as this framework’s example proposes. For instance, the article illustrates 42 active iterations with NumberOfThreads=42; that is a configuration example, not a benchmark or a recommendation that every machine can safely run 42 threads. Evaluate available machine or grid capacity before scaling up.

  3. Choose how sheets are selected

    For multiple keyword and data sheets, the article recommends a master control sheet, using an example sheet name All and RunConfiguration=All. This centralizes run selection.

    The alternative is to keep separate sheets and modify Allocator.java so getRunRows() parses and merges comma-separated sheet names. Then list those names in RunConfiguration. This option requires parser support in the project; the article’s sample allocation totals 38 rows, an illustration rather than a measured result.

    Approach How selection is maintained Implementation effort
    Master control sheet Centralizes selection in one sheet; example uses RunConfiguration=All. Recommended in the article; no custom multi-sheet parser change is described as necessary.
    Multi-sheet aggregation Keeps separate sheets and lists their names in RunConfiguration. Requires changing Allocator.java so getRunRows() can parse and merge the sheets.
  4. Set profile behavior if the framework supports it

    The article suggests EnableProfile=False when profiles are unnecessary. If tests need session state, it recommends UseMultiProfile=True and a separate profile directory for each thread to avoid file-lock conflicts. These are framework-specific settings: confirm their behavior in your codebase before relying on them.

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Run the allocator flow

The example command is:

mvn clean test -P runAllocator

Run it only after confirming that your project defines the runAllocator Maven profile and that this flow reads the configured Run Manager sheets and properties. The example does not establish that the profile exists in other projects.

Prevent parallel runs from interfering

  • Keep browser sessions separate. Use thread-local browser driver instances and driver utilities so concurrent work does not share or cross-wire sessions.
  • Avoid shared test-data collisions. Give concurrent runs unique data, such as distinct credentials, when tests change shared application state.
  • Separate profiles when needed. If session profiles are enabled, use a different profile directory per thread, as the framework article advises.
  • Separate run artifacts. Store logs and screenshots in thread-specific directories so evidence from concurrent work stays attributable.
  • Scale against actual capacity. The article advises beginning at 50% of thread capacity and assessing system health before increasing concurrency. This is author guidance, not a validated benchmark or universal safe threshold.
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Check the implementation before adopting the example

Before using these settings in a different project, inspect its actual framework code and configuration. In particular, verify the property names, Maven profile, Allocator’s sheet parsing and thread-pool behavior, and how profile directories are assigned. If any component is absent, the sample workflow will not apply as written.

The source is a DEV Community how-to attributed to Shell QA. Its indexed listing shows August 18, with 2026 indicated by a secondary index result; the complete publication metadata and implementation could not be independently confirmed. It reports no controlled timing or reliability comparison between the sheet-selection methods, so neither should be presented as faster or more reliable based on this example.

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