UPDATE jos_content SET hits = ( hits + 1 ) WHERE id='123'
The log says this took 7 seconds. There's an index on "id". There are only
400 or so records in the whole table. It's not like there are a million
records and no index.
Is there ANY rational reason this query would EVER take 7 seconds to execute?
It could be worth either doing an analyze
(http://dev.mysql.com/doc/refman/5.0/en/analyze-table.html) or possibly
doing a dump/restore - in case there is lots of "bloat" either in the
indexes or tables. Normally you wouldn't see this with mysql (especially
myisam) but it's worth a shot.
What other queries are running at the same time? (use 'show processlist'
inside mysql to get a list), maybe you're getting lots of hits to the
same tables and myisam is locking everything, and it's time to convert
to innodb.
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