Lightning Talk: Sling Dynamic Include (SDI)
summary
Sling Dynamic Include (SDI) replaces selected component output with SSI placeholders at render time based on OSGi rules so Apache requests those fragments separately and assembles the final page, reducing Sling CPU and enabling partial caching at the dispatcher. Uses a Sling filter to emit SSI tags and relies on Apache dispatcher behavior. Proven use cases include separate cached header and footer fragments, per component cache invalidation, and faster page render with lower backend load. Sling filter producing SSI placeholders Apache combines fragments via SSI
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