Исходный текст | Переводы |
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The number of table unlocks. | |
Query performance | |
The number of joins without an index; should be zero. | |
The number of sorts done without using an index; should be zero. | |
The number of times a lock could be acquired immediately. | |
The number of times the server had to wait for a lock. | |
Query cache information | |
The MySQL query cache can improve performance of your site by storing the result of queries. Then, if an identical query is received later, the MySQL server retrieves the result from the query cache rather than parsing and executing the statement again. | |
The number of queries in the query cache. | |
The number of times that MySQL found previous results in the cache. |