https://communities.sas.com/t5/SAS-Viya/Zero-Downtime-Data-Refresh-with-CAS-In-Memory-Updates/m-p/988802#M3096 <P>Have you ever wondered how SAS Viya dashboards continue to run smoothly even while data is being refreshed?</P> <P>The answer lies in <STRONG>CAS (Cloud Analytic Services)</STRONG> and its powerful in-memory update mechanism — enabling near real-time data updates without locking users out.</P> <P><STRONG>What Happens Behind the Scenes?</STRONG></P> <P>Unlike traditional systems that lock tables during updates, CAS uses a non-disruptive refresh strategy:</P> <P class="lia-align-center"><STRONG>Step-by-step</STRONG></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-center" image-alt="CAS in-memory data update process" style="width: 756px;"><img src="https://communities.sas.com/t5/image/serverpage/image-id/115404iD0B3AEFA8EF8E1DB/image-size/large?v=v2&amp;px=999" role="button" title="cas_atomic_swap_clean.png" alt="CAS in-memory data update process" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">CAS in-memory data update process</span></span></P> <P>&nbsp;<STRONG style="font-family: inherit;">CAS eliminates downtime by creating a new in-memory version of data and switching it instantly — ensuring uninterrupted analytics.</STRONG></P> <P>&nbsp;</P> <DIV>&nbsp;</DIV> Thu, 28 May 2026 07:15:32 GMT JohnCoutinho 2026-05-28T07:15:32Z https://communities.sas.com/t5/SAS-Viya/Zero-Downtime-Data-Refresh-with-CAS-In-Memory-Updates/m-p/988802#M3096 <P>Have you ever wondered how SAS Viya dashboards continue to run smoothly even while data is being refreshed?</P> <P>The answer lies in <STRONG>CAS (Cloud Analytic Services)</STRONG> and its powerful in-memory update mechanism — enabling near real-time data updates without locking users out.</P> <P><STRONG>What Happens Behind the Scenes?</STRONG></P> <P>Unlike traditional systems that lock tables during updates, CAS uses a non-disruptive refresh strategy:</P> <P class="lia-align-center"><STRONG>Step-by-step</STRONG></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-center" image-alt="CAS in-memory data update process" style="width: 756px;"><img src="https://communities.sas.com/t5/image/serverpage/image-id/115404iD0B3AEFA8EF8E1DB/image-size/large?v=v2&amp;px=999" role="button" title="cas_atomic_swap_clean.png" alt="CAS in-memory data update process" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">CAS in-memory data update process</span></span></P> <P>&nbsp;<STRONG style="font-family: inherit;">CAS eliminates downtime by creating a new in-memory version of data and switching it instantly — ensuring uninterrupted analytics.</STRONG></P> <P>&nbsp;</P> <DIV>&nbsp;</DIV> Thu, 28 May 2026 07:15:32 GMT https://communities.sas.com/t5/SAS-Viya/Zero-Downtime-Data-Refresh-with-CAS-In-Memory-Updates/m-p/988802#M3096 JohnCoutinho 2026-05-28T07:15:32Z