Michael Dykman wrote on Fri, Sep 21, 2007 at 01:37:57PM -0400:
> There is a setting in your my.cnf which specifies the threshold at
> which temporary tables will be put to disk instead of being held in
> RAM.  This has to be a dynamic decision as the system has to consider
> available RAM and the size of any given temporary table..  under
> normal circumstances, the my.cnf setting will be respected, but it is
> NOT a guarantee.
> 
> Have you read this?
> http://dev.mysql.com/doc/refman/5.0/en/server-system-variables.html#option_mysqld_tmp_table_size

yes, several times. both max_heap_table_size and tmp_table_size have
remained at the defaults. even still, these temp tables are not that
big and _should_not_ be bumping into that limit. and they never have
hit that limit in the four to five years this code has been in
production. at the moment i have everything running and stable with
all slaves replicating cleanly. 

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| Chris Scheller | http://www.pobox.com/~schelcj | JID: [EMAIL PROTECTED]  |
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