In the 5.6.4 release it is now possible to create an InnoDB database with 4k or 8k page sizes in addition to the original 16k page size. Previously, it could be done by recompiling the engine with a different value for UNIV_PAGE_SIZE_SHIFT and UNIV_PAGE_SIZE. With this release, you can set –innodb-page-size=n when starting mysqld, or put innodb_page_size=n in the configuration file in the [mysqld] section where n can be 4k, 8k, 16k, or 4096, 8192, 16384.
The support of smaller page sizes may be useful for certain storage media such as SSDs. Performance results can vary depending on your data schema, record size, and read/write ratio. But this provides you more options to optimize your performance.
When this new setting is used, the page size is set for all tablespaces used by that InnoDB instance. You can query the current value with;