While doing a standard audit for a new client, I recommended a few changes to get better performance. Because I had several changes, I used the documentation at
and found that
innodb_flush_log_at_trx_commit is a dynamic variable. I was surprised, because most operations dealing with file sizes and operations are not dynamic. But the client proceeded with:
set global innodb_flush_log_at_trx_commit = 2;
ERROR 1193 (HY000): Unknown system variable 'innodb_flush_log_at_trx_commit'
So I searched for others who may have had the same error, and ended up getting an unintentional googlewhack. Well,[Read more...]