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-rw-r--r--include/keycache.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/keycache.h b/include/keycache.h
index 21189fe6c6d..acb85522c0e 100644
--- a/include/keycache.h
+++ b/include/keycache.h
@@ -46,6 +46,7 @@ typedef struct st_key_cache_statistics
ulonglong blocks_used; /* maximum number of used blocks/buffers */
ulonglong blocks_unused; /* number of currently unused blocks */
ulonglong blocks_changed; /* number of currently dirty blocks */
+ ulonglong blocks_warm; /* number of blocks in warm sub-chain */
ulonglong read_requests; /* number of read requests (read hits) */
ulonglong reads; /* number of actual reads from files into buffers */
ulonglong write_requests; /* number of write requests (write hits) */