benray3049
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To optimize data refresh, use incremental refresh for large datasets, refreshing only new or changed data. Schedule refreshes during off-peak hours to minimize system load. Keep datasets small by filtering out unnecessary data before import. If using direct query, ensure the source database can handle the load efficiently. Monitor refresh history to detect issues early, and set up alerts for refresh failures. Use Power BI development built-in data gateway for refreshing on-premises data sources and ensure regular maintenance of the gateway for uninterrupted refresh processes.