Some further digging: http://dev.mysql.com/doc/innodb/1.1/en/glossary.html#glos_asynchronous_io
Starting with the InnoDB Plugin 1.1, InnoDB uses asynchronous I/O on Linux systems. This change introduces a dependency on libaio. On other Unix-like systems, InnoDB uses synchronous I/O only. On Tue, Dec 21, 2010 at 5:04 PM, Patrick Crews <[email protected]> wrote: > I saw this: > Install the asynchronous I/O library > > This is so that we can take advantage of the asynchronous I/O capability in > the new InnoDB plugin that ships with MySQL 5.5 > > $ apt-get install libaio-dev > > > here: > > http://www.ovaistariq.net/490/a-step-by-step-guide-to-upgrading-to-mysql-5-5/ > > And was wondering if anyone had any thoughts on if we should test this / > require it / etc. > > -Patrick >
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