diff options
Diffstat (limited to 'include/keycache.h')
| -rw-r--r-- | include/keycache.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/keycache.h b/include/keycache.h index 26ee0ccadb1..a292a69b0a3 100644 --- a/include/keycache.h +++ b/include/keycache.h @@ -88,12 +88,13 @@ typedef struct st_key_cache ulong param_division_limit; /* min. percentage of warm blocks */ ulong param_age_threshold; /* determines when hot block is downgraded */ - /* Statistics variables */ + /* Statistics variables. These are reset in reset_key_cache_counters(). */ ulong global_blocks_changed; /* number of currently dirty blocks */ ulong global_cache_w_requests;/* number of write requests (write hits) */ ulong global_cache_write; /* number of writes from the cache to files */ ulong global_cache_r_requests;/* number of read requests (read hits) */ ulong global_cache_read; /* number of reads from files to the cache */ + int blocks; /* max number of blocks in the cache */ my_bool in_init; /* Set to 1 in MySQL during init/resize */ } KEY_CACHE; @@ -132,5 +133,7 @@ extern my_bool multi_key_cache_set(const byte *key, uint length, KEY_CACHE *key_cache); extern void multi_key_cache_change(KEY_CACHE *old_data, KEY_CACHE *new_data); +extern int reset_key_cache_counters(const char *name, + KEY_CACHE *key_cache); C_MODE_END #endif /* _keycache_h */ |