4 files changed, 19 insertions, 1 deletions
diff --git a/zenserver/cache/structuredcache.cpp b/zenserver/cache/structuredcache.cpp
index 7f1fe7b44..533fea498 100644
--- a/zenserver/cache/structuredcache.cpp
+++ b/zenserver/cache/structuredcache.cpp
@@ -176,7 +176,16 @@ HttpStructuredCacheService::Flush()
 void 
 HttpStructuredCacheService::Scrub(ScrubContext& Ctx)
 {
-	ZEN_UNUSED(Ctx);
+	if (m_LastScrubTime == Ctx.ScrubTimestamp())
+	{
+		return;
+	}
+
+	m_LastScrubTime = Ctx.ScrubTimestamp();
+
+	m_CasStore.Scrub(Ctx);
+	m_CidStore.Scrub(Ctx);
+	m_CacheStore.Scrub(Ctx);
 }
 
 void
diff --git a/zenserver/cache/structuredcache.h b/zenserver/cache/structuredcache.h
index bd163dd1d..c673ea1f5 100644
--- a/zenserver/cache/structuredcache.h
+++ b/zenserver/cache/structuredcache.h
@@ -81,6 +81,7 @@ private:
 	zen::CasStore&				   m_CasStore;
 	zen::CidStore&				   m_CidStore;
 	std::unique_ptr<UpstreamCache> m_UpstreamCache;
+	uint64_t					   m_LastScrubTime = 0;
 };
 
 }  // namespace zen
diff --git a/zenserver/cache/structuredcachestore.cpp b/zenserver/cache/structuredcachestore.cpp
index 502ca6605..3d80bb14c 100644
--- a/zenserver/cache/structuredcachestore.cpp
+++ b/zenserver/cache/structuredcachestore.cpp
@@ -108,6 +108,13 @@ ZenCacheStore::Flush()
 void
 ZenCacheStore::Scrub(ScrubContext& Ctx)
 {
+	if (m_LastScrubTime == Ctx.ScrubTimestamp())
+	{
+		return;
+	}
+
+	m_LastScrubTime = Ctx.ScrubTimestamp();
+
 	m_DiskLayer.Scrub(Ctx);
 	m_MemLayer.Scrub(Ctx);
 }
diff --git a/zenserver/cache/structuredcachestore.h b/zenserver/cache/structuredcachestore.h
index fdf4a8cfe..2cc3abb53 100644
--- a/zenserver/cache/structuredcachestore.h
+++ b/zenserver/cache/structuredcachestore.h
@@ -112,6 +112,7 @@ private:
 	ZenCacheMemoryLayer	  m_MemLayer;
 	ZenCacheDiskLayer	  m_DiskLayer;
 	uint64_t			  m_DiskLayerSizeThreshold = 4 * 1024;
+	uint64_t			  m_LastScrubTime		   = 0;
 };
 
 /** Tracks cache entry access, stats and orchestrates cleanup activities