Slooooooow

Seems the whole site has slowed down significantly this afternoon. I have been doing lots of svn commits and exports to this site.. might that be the problem?
OneLobby
QueryQuery TimeAffected Rows
SELECT o.object_name,o.object_perms,p.perm_grant,p.perm_deny FROM k4_objects o, k4_perms p, k4_roles r, k4_user_roles u WHERE u.user_id=1  AND u.role_id=r.role_id  AND p.role_id=r.role_id  AND o.object_id=p.object_id ORDER BY r.perm_level ASC

 0.0263 

 3 

SELECT DISTINCT t.thread_id, t.*, ts.tag_name, GROUP_CONCAT(ts.tag_name SEPARATOR ',') AS tags, u.name AS user_name, uu.name AS edit_user_name FROM k4_thread_tags tt, k4_tags ts, k4_threads t, k4_users u, k4_users uu WHERE t.thread_id=40 AND t.thread_id=tt.thread_id AND ts.tag_id=tt.tag_id AND t.user_id=u.user_id AND t.edit_user_id=uu.user_id GROUP BY t.thread_id LIMIT 1

 0.0295 

 1 

UPDATE `k4_threads` SET views=277 WHERE thread_id=40

 0.0008 

 1 

SELECT tu.*, u.name AS user_name FROM k4_thread_users tu, k4_users u WHERE tu.thread_id=40 AND tu.user_id = u.user_id GROUP BY tu.user_id ORDER BY u.name ASC

 0.0388 

 1