flush buffer cache

How to use Ob_flush () and flush () for PHP Note: the Ob_flush () and flush () functions are generally used together, in order to Ob_flush () first, then flush (), and their function is to flush the buffer.Here's a specific next time to use the

mysql performance optimization · Discussion on the flush strategy of InnoDB buffer poolBackgroundWe know that InnoDB uses buffer pool to cache data pages that are read from disk to memory. Buffer pool is usually composed of a number of memory blocks

Transferred from: http://blog.csdn.net/wyzxg/article/details/7700394MySQL official website configuration description Address: http://dev.mysql.com/doc/refman/5.5/en/innodb-parameters.htmlOther references:"High performance MySQL"-8.4.5 innodb buffer

Buffer Cache is an area of the SGA area that is specifically used to store copies of blocks of data that are read from the data file. If the Oracle process finds that a block of data that needs to be accessed is already in the buffer cache, it reads

What's the difference between Page cache and buffer cache? Most of the time we do not know the system in the IO operation is to walk the page cache or buffer cache? In fact, the buffer cache and page cache are two simpler concepts in Linux, which is

How to use Ob_flush () and flush () for PHP Note: the Ob_flush () and flush () functions are generally used together, in order to Ob_flush () first, then flush (), and their function is to flush the buffer.Here's a specific next time to use the

　　For a will embark on the "system operation" or the more tall still work "system tuning", if this does not have a good relationship with these two buddies, the pit is not only memory, but also the pit is that you take the tune of the money but dry

When talking about the output buffer, we should first talk about something called a buffer. A simple example shows its function: when editing a document, the system will not write data to the disk but to the buffer before it is saved, when the

InnoDB maintains a cache of data and index information to the memory of the storage area called buffer pool, which caches the most recently accessed data. By configuring the parameters of each buffer pool, we can significantly improve the

PHP output buffer control OutputControl functions. PHP output buffer control OutputControl series Function Details This article mainly introduces the PHP output buffer control OutputControl series Function details, this article describes the