MySQL查询缓存详解
mysql> show global status like 'Qcache%';+-------------------------------------------------+----------+
| Variable_name | Value |
+-------------------------------------------------+----------+
| Qcache_free_blocks(空闲块数) | 1 |
| Qcache_free_memory(空闲空间) | 16759688 |
| Qcache_hits(命中次数) | 0 |
| Qcache_inserts (插入次数) | 2 |
| Qcache_lowmem_prunes(内存太小,修剪内存的次数) | 0 |
| Qcache_not_cached(没被缓存的个数) | 8 |
| Qcache_queries_in_cache(缓存中缓存的查询个数) | 0 |
| Qcache_total_blocks(总块数) | 1 |
+-------------------------+----------------------------------+
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