vCenter Orchestrator Max

October 2nd, 2011 Leave a comment Go to comments
Max number of Connected vCenter Server systems

Max number of Connected ESXi instances

Max number of connected Virtual Machines

Max number of concurrent running workflows

  1. Christophe
    October 2nd, 2011 at 13:12 | #1

    These numbers are what VMware validated doing intensive tests. Also there is one mistake on the number of concurrent workflows. It is 300 by default (and can be changed).

    • October 2nd, 2011 at 13:15 | #2

      Thanks for the reply.
      I just checked the Config Max again – It states Concurrent running workflows is 150. Please check page 7 at the very bottom

  2. Christophe
    October 4th, 2011 at 07:51 | #3

    I know. I am checking why this number was used in this document and if this should be corrected or not. It may be a case of that it was not tested with a larger value even if default settings allows twice the number. I have done my own tests with throwing 600 workflows in parallel. 300 were running concurrently, the other ones queued. The test ran successfully. Now this does not make it the official numbers …

  3. Christophe
    October 4th, 2011 at 07:53 | #4

    This is from the vCO 4.2 Admin guide:

    "Modify the Number of Concurrent and Pending Workflows
    By default, Orchestrator permits 300 workflows to run at the same time. When the Orchestrator server has to run more than 300 concurrent workflows, the pending workflow runs are queued. When an active workflow run completes, the next workflow in the queue starts to run. If the maximum number of queued workflows is reached, the next workflow runs fail until one of the pending workflows starts to run."

  4. October 4th, 2011 at 13:03 | #5

    Cool. I will make a note and wait for the official document to get updated.  Not sure if I should change those numbers on the exams section for vCenter Operations max.

    Are you going to contact them ? If not, then I will try to reach out to VMware and get it updated.

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