It's been in mysql for at least 7 years. http://ebergen.net/wordpress/2009/04/11/longest-beta-ever-myisamchk-parallel-recover/
On Thursday, September 10, 2009, Rob Wultsch <wult...@gmail.com> wrote: > myisam_repair_threads > > "If this value is greater than 1, MyISAM table indexes are created in > parallel (each index in its own thread) during the Repair by sorting > process. The default value is 1. > Note :Multi-threaded repair is still beta-quality code." > > The note is present is all versions of MySQL manual: > > http://dev.mysql.com/doc/refman/5.1/en/server-system-variables.html#sysvar_myisam_repair_threads > http://dev.mysql.com/doc/refman/5.0/en/server-system-variables.html#sysvar_myisam_repair_threads > http://dev.mysql.com/doc/refman/4.1/en/server-system-variables.html#sysvar_myisam_repair_threads > > > Can anyone comment about whether this setting is safe, and if so on > what major versions? > > -- > Rob Wultsch > wult...@gmail.com > > -- > MySQL General Mailing List > For list archives: http://lists.mysql.com/mysql > To unsubscribe: http://lists.mysql.com/mysql?unsub=eric.ber...@gmail.com > > -- Eric Bergen eric.ber...@gmail.com http://www.ebergen.net -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql?unsub=arch...@jab.org