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Minimum replication time and asynchronous pull mechanism

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  • 1.  Minimum replication time and asynchronous pull mechanism

    Posted 04-23-2018 02:21 PM

    In an mutli-site cluster, The replication duration between the primary site and secondary is set to some default value=5 mins i guess. What is minimum time it can be set to, Could it be less than a minute.

     

    In an mutli-site cluster, The replication between the primary site and secondary is documented as asynchronous pull. What is mechanism behind this asynchronous pull, Is it sql replication or anything else.



  • 2.  Re: Minimum replication time and asynchronous pull mechanism
    Best Answer

    Posted 04-26-2018 10:10 AM

    We discussed this with Manoj in a support case. There was a misunderstanding about the pull frequency. Secondary sites pull updates from the primary site every 10 seconds by default, not every 5 minutes. This is a transactional replication. It is possible to adjust the pull period, see https://docops.ca.com/ca-privileged-access-manager/3-1-1/EN/deploying/set-up-a-cluster/cluster-configuration, specifically the section "Cluster Tuning" near the bottom of the page. As documented there this should be done only while working with PAM support on a problem. The default settings are based on extensive testing to find the best compromise between performance and replication delays.