diff --git a/src/Common/CurrentMetrics.cpp b/src/Common/CurrentMetrics.cpp
index 626b43aea2c..583b13cf79d 100644
--- a/src/Common/CurrentMetrics.cpp
+++ b/src/Common/CurrentMetrics.cpp
@@ -187,6 +187,7 @@
     M(CacheFileSegments, "Number of existing cache file segments") \
     M(CacheDetachedFileSegments, "Number of existing detached cache file segments") \
     M(FilesystemCacheSize, "Filesystem cache size in bytes") \
+    M(FilesystemCacheSizeLimit, "Filesystem cache size limit in bytes") \
     M(FilesystemCacheElements, "Filesystem cache elements (file segments)") \
     M(FilesystemCacheDownloadQueueElements, "Filesystem cache elements in download queue") \
     M(AsyncInsertCacheSize, "Number of async insert hash id in cache") \
diff --git a/src/Interpreters/Cache/LRUFileCachePriority.h b/src/Interpreters/Cache/LRUFileCachePriority.h
index e0d7d45062a..e041e59a91a 100644
--- a/src/Interpreters/Cache/LRUFileCachePriority.h
+++ b/src/Interpreters/Cache/LRUFileCachePriority.h
@@ -5,6 +5,11 @@
 #include <Interpreters/Cache/FileCacheKey.h>
 #include <Common/logger_useful.h>
 
+namespace CurrentMetrics
+{
+    extern const Metric FilesystemCacheSizeLimit;
+}
+
 namespace DB
 {
 
@@ -18,7 +23,10 @@ private:
     using LRUQueueIterator = typename LRUQueue::iterator;
 
 public:
-    LRUFileCachePriority(size_t max_size_, size_t max_elements_) : IFileCachePriority(max_size_, max_elements_) {}
+    LRUFileCachePriority(size_t max_size_, size_t max_elements_) : IFileCachePriority(max_size_, max_elements_)
+    {
+        CurrentMetrics::set(CurrentMetrics::FilesystemCacheSizeLimit, max_size_);
+    }
 
     size_t getSize(const CacheGuard::Lock &) const override { return current_size; }