Allow to limit the number of concurrent running workflow

[ErezAlster]

Summary

Common case scenario is to have a queue based mechanism that limits that number of jobs that running at the same time.
I would like to apply multiple workflows at once and to limit the number of workflows of specific workflow template that running at the same time.

At the moment the parallelism parameters is applying for steps only inside a specific workflow.

Use Cases

1. Event based systems
2. Batch processing
3. recurring job that creates workflows dynamically

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[alexec]

Read this page https://argoproj.github.io/argo/synchronization/

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[dshiryaev-plesk]

The page has been moved to https://argoproj.github.io/argo-workflows/synchronization/ .