Beginning in InnoDB storage engine 1.0.4 the following configuration parameter has been removed:
innodb_file_io_threads
This parameter has been replaced by two new parameters
and
innodb_read_io_threads
. See
Section 7.8, “Multiple Background I/O Threads” for
more information.
innodb_write_io_threads
This is the User’s Guide for InnoDB storage engine 1.1 for MySQL 5.5, generated on 2010-04-13 (revision: 19994) .