Under InnoDb, you could use file-per-table which would have
significantly reduced the inter-dependencies.. given the large data
size and heavy I/O you report, it might be a wise way to go.
- michael dykman
On Mon, Nov 9, 2009 at 3:41 AM, Johan De Meersman <vegivamp@stripped> wrote:
> Presumably because you are removing 189 gigabyte of data and 549 gigabyte of
> indexes, all of which need to be marked as deleted in your innodb file. I/O
> is rather expensive :-)
>
> On MyISAM this would have been close to instantaneous (as you probably
> expected), because the datafile is used only for that table, so all that's
> needed is three filesystem delete operations.
>
--
- michael dykman
- mdykman@stripped
"May you live every day of your life."
Jonathan Swift
Larry's First Law of Language Redesign: Everyone wants the colon.
