Cache not being cleared when changing partial design

Question

I have a component that is cacheable within a placeholder where another component is placed, which is an SXA component. When I try to remove the SXA component inside the placeholder, the cache doesn't seem to clear.

For clarity:

I have a Menu component with a placeholder where i can place an Sxa Language Selector

The Menu component has cache and the cache clears when I publish some change to the menu, but when I remove the language selector from Menu the same doesn't happen, the language selector is still there on the CD server.

These components are inserted in the page through a page design.

But when I insert these components in the presentation details of the page, everything works as expected.

My instance is 9.0 update 1 with SXA 1.6 with CM and CD server and its multi-site

And I added this patch

<configuration xmlns:patch="http://www.sitecore.net/xmlconfig/">
<sitecore>
    <events>
        <event name="indexing:end">             
        <handler type="Sitecore.Publishing.HtmlCacheClearer, Sitecore.Kernel" method="ClearCache">
                <sites hint="list">
                    <site>website</site>
                    <site>Site</site>
                </sites>
            </handler>
        </event>            
        <event name="indexing:end:remote">              
        <handler type="Sitecore.Publishing.HtmlCacheClearer, Sitecore.Kernel" method="ClearCache">
                <sites hint="list">
                    <site>website</site>
                    <site>Site</site>
                </sites>
            </handler>
        </event>
    </events>
</sitecore>

One more thing my cache setting include the menu rendering and the SXA language selector.

Answer 1

I recently had a similar issue. Here is what I determined:

• If I went to /sitecore/admin/cache.aspx and cleared the cache manually, everything was fine.

• I determined that the Cache that was actually holding the Partial Design cache is the SXA[CompositesXml]

• I then noticed that there is a Sitecore.XA.Feature.Composites.EventHandlers.CompositesXmlCacheClearer processor in the publish:end event.

• After digging into that code, it seems that the SXA[CompositesXml] cache is only cleared if the partial design inherits from one of these templates:

  • /sitecore/templates/Feature/Experience Accelerator/Composites/Datasource/Composite Section
  • /sitecore/templates/Feature/Experience Accelerator/Composites/Datasource/Composite Group
  • /sitecore/templates/Foundation/Experience Accelerator/Multisite/Content/Page

To resolve the issue, I inherited my Partial Design template from the Page template above. Then after publishing the partial design, the cache was properly cleared and the content was updated.