Как установить счетчик на сайт. Современные системы статистики легко покажут вам, сколько человек привел Яндекс, сколько — Google, сколько из них пришло по объявлениям контекстной рекламы а сколько из органического поиска, сколько перешли на сайт по ссылкам с других сайтов, скольких привлек рекламный.
I have read Same kind of text in High performance MySQL Server book, in their its said
“What’s a good cache hit rate. It is also
important to know which queries are cached. If the cache hits represent the most
expensive queries, even a low hit rate can save work for the server. Even a 30% hit rate can be very helpful,
because the work saved by not executing queries is typically much more (per query)
than the overhead of invalidating entries and storing results in the cache. My question is, How will you know which queries are cached.
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Как установить счетчик на сайт. Современные системы статистики легко покажут вам, сколько человек привел Яндекс, сколько — Google, сколько из них пришло по объявлениям контекстной рекламы а сколько из органического поиска, сколько перешли на сайт по ссылкам с других сайтов, скольких привлек рекламный.
I have read Same kind of text in High performance MySQL Server book, in their its said
“What’s a good cache hit rate. It is also
important to know which queries are cached. If the cache hits represent the most
expensive queries, even a low hit rate can save work for the server. Even a 30% hit rate can be very helpful,
because the work saved by not executing queries is typically much more (per query)
than the overhead of invalidating entries and storing results in the cache. My question is, How will you know which queries are cached.
The
query_cache_size specifies the size of the cache, you may run some . How to increase the performance of MySQL using query cache.