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CA SCM r12 sizing

  • 1.  CA SCM r12 sizing

    Posted 10-14-2011 12:40 PM
    Hello community members.

    In the last three years, I had several CA SCM implementations, upgrades and migrations.
    Now, I would like to hear your opinion and experiences about the recommended requirements for CA SCM implementations.

    I will start...
    As an example, in a previous client, we have a machine with a Xeon X5550 @ 2.67GHz and 4 cores with 32 GB RAM running Red Hat ES 5.4 64 bits.
    This server has 350 active users and a peak of 45 concurrent connections, and it runs CA SCM smoothly.
    Until now, this was the client with the more demanding environment.

    As another example, I can refer the next client, which has the following Harvest r7.1 environment:
    650 users
    2000 groups
    450 environments
    450 repositories
    HARVESTBLOB 59 GB
    HARVESTINDEX 3 GB
    HARVESTMETA 2 GB

    What would you guys recommend as CA SCM r12 hardware requirements for this one?

    Best regards,
    Ricardo Bernardino


  • 2.  RE: CA SCM r12 sizing

    Posted 10-21-2011 04:30 PM
    Any comments for Ricardo?

    Thanks,
    Mary


  • 3.  RE: CA SCM r12 sizing

    Posted 11-04-2011 09:48 AM
    The previous hardware setup is adequate for the new client which seems to have about
    twice the users, so I would recommend -minserver=20 -maxserver=75 to accomodate
    a concurrent user access of ~100 to 150. 32GB Ram is ok.
    500Gb or 1TB hard diskspace minimum (SCSI or Sata III):
    HARVESTBLOB 100 GB
    HARVESTINDEX 20 GB
    HARVESTMETA 20 GB

    Be sure to have the customer schedule a weekly weekend maintenance period for
    dropping the statistics and rebuilding the database indexes and finally rebooting
    the Harvest broker machine.

    Dave Carmack CA SCM Support


  • 4.  RE: CA SCM r12 sizing

    Posted 11-04-2011 10:01 AM
    The future Production machine is supposed to have 1TB disk space and 200GB RAM.

    Nowadays client have -minserver=5 and -maxserver=195 but the port range is only 24 ports wide.
    I already suggested a change.

    I will discuss the other (good) advices with the client.

    Thank you Dave,
    Ricardo Bernardino


  • 5.  Re: CA SCM r12 sizing

    Posted 07-16-2014 10:02 AM

    If you are using a direct_connect_port_range setting in the rtserver.cm file then the number of

    ports (and these ports must be opened on the firewall) MUST be equal to the maxserver setting+quesize.

    So if maxserver is 195 and queuesize is set to 2 then the port range must be 197 ports.



  • 6.  Re: CA SCM r12 sizing

    Posted 12-06-2017 05:52 PM

    It has been interesting to read your contributions. Today I have a similar doubts. First of all, is there a relationship between the number of concurrent users and the memory needed at the broker server? How do your dimension or size the suggested RAM and CPU requirements?

    Best Regards,

    JOHN