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Displaying posts with tag: Configuration parameter (reset)

InnoDB 5.6.4 supports databases with 4k and 8k page sizes
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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 …

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Plug In for Performance and Scalability
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Why should you care about the latest “early adopter” release of the InnoDB Plugin, version 1.0.3?   One word: performance! The release introduces these features:

  • Enhanced concurrency & scalability: the “Google SMP patch” using atomic instructions for mutexing
  • More efficient memory allocation: ability to use more scalable platform memory allocator
  • Improved out-of-the-box scalability: unlimited concurrent thread execution by default
  • Dynamic tuning: at run-time, enable or disable insert buffering and adaptive hash indexing

These new performance features …

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