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Scheduling schema updates


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You can schedule binary large object (BLOB) sizing and table statistic updates for database schemas to run automatically. Scheduling schema updates is useful for performance monitoring and tuning for your internal database in Pega Cloud.

You must have the PegaRULES:SysOpsAdministrator role to access the Edit Agent Schedule landing page. For more information, see Adding a role to an access group.

Pega Cloud Services provides Query Runner, Query Inspector, and Schema Tools in Pega Platform for clients to manage their database. These database tools are not available to on-premises clients.
  1. In the header of Dev Studio, click Configure System Database Schema Tools .

  2. Click the schema for which you want to schedule updates.

  3. Select the frequency with which you want each agent to run to automatically update the database. You can deactivate the schedule or configure the schedule to run daily or weekly for the following agents:

    • BLOB size updater – Updates the average and maximum BLOB sizes in the database.
    • Table statistics updater – Updates all table statistics for the database.
  4. To schedule the agents to run on a schedule other than daily or weekly, click Advanced agent controls to update the schedule on the Edit Agent Schedule landing page.

    You can also set the interval at which the agents will run by using the following dynamic system settings.

    • database/databases/PegaRULES/TableStatisticsAgentInterval
    • database/databases/PegaDATA/TableStatisticsAgentInterval
    • database/databases/PegaRULES/BlobSizeAgentInterval
    • database/databases/PegaDATA/BlobSizeAgentInterval

    Set the value for each Dynamic Data System Setting as follows:

    • -1: deactivate the schedule
    • 24: run daily
    • 168: run weekly
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