#Sitecore Cache Clear Event for Multisite Solutions
Hi All,
In one of our project we have requirement for apply cache in
our site. In our #Sitecore solution
we have multiple Site-Nodes. Like –
Sitecore
-content
-site-node1
-home
-site-node2
-home
In our sitedefinition.config I have 2 sites with the name –
1)
Site1
2)
Site2
I have applied cache on item’s Templates presentation. Now I
need to clear cache.
To clear cache I have created a patch config. I used following
event –
<sitecore>
<events>
<event
name="publish:end">
<handler
type="Sitecore.Publishing.HtmlCacheClearer, Sitecore.Kernel"
method="ClearCache">
<sites hint="list">
<site>Site1</site>
<site>Site2</site>
</sites>
</handler>
</event>
<event
name="publish:end:remote">
<handler
type="Sitecore.Publishing.HtmlCacheClearer, Sitecore.Kernel"
method="ClearCache">
<sites
hint="list">
<patch:delete />
</sites>
<sites hint="list">
<site>Site1</site>
<site>Site2</site>
</sites>
</handler>
</event>
</events>
</sitecore>
This event clears the cache. But after some testing I found
that after publishing only cache is clearing for Site2 not for Site1. To
verify this, I opened the url http://hostname/sitecore/admin/showconfig.aspx
and search for “publish:end” term,
found the entry of Site2 only in
cache clear event. Now this is the problem. Need to find a solution for this.
We need to open url http://hostname/sitecore/admin/cache.aspx
every time to clear the cache, but that is not good practice. So after some digging on
the google to find the solution. But finally I did it.
We need to add one more sites
section in the same patch config file.
<sites
hint="list">
<patch:delete />
</sites>
Following is the solution-
<sitecore>
<events>
<event
name="publish:end">
<handler
type="Sitecore.Publishing.HtmlCacheClearer, Sitecore.Kernel"
method="ClearCache">
<sites
hint="list">
<patch:delete
/>
</sites>
<sites
hint="list">
<site>Site1</site>
<site>Site2</site>
</sites>
</handler>
</event>
<event
name="publish:end:remote">
<handler
type="Sitecore.Publishing.HtmlCacheClearer, Sitecore.Kernel"
method="ClearCache">
<sites
hint="list">
<patch:delete
/>
</sites>
<sites
hint="list">
<site>Site1</site>
<site>Site2</site>
</sites>
</handler>
</event>
</events>
</sitecore>
After adding this sites
section, I again opened the url http://hostname/sitecore/admin/showconfig.aspx
and search for publish:end term and
look what I saw, I could see both sites entries (Site1 and Site2). But I needed
to verify this by publishing an item as well and it worked finally for both the
sites.
