diff --git a/src/server/cache.h b/src/server/cache.h
index bd097c61ab4ba21e55126be6db729ba83b01e284..cf4254359af91750bf9c86d70d4490a372c0836d 100644
--- a/src/server/cache.h
+++ b/src/server/cache.h
@@ -225,3 +225,16 @@ free_all_cache(void);
  */
 void
 cache_limit_size(void);
+
+/*
+ * Dump cache statistics.
+ */
+
+void
+dump_cache_stats(FILE *stat_file);
+
+/*
+ * Dump memory usage.
+ */
+void
+dump_cache_mem_useage(FILE *stat_file);