[support] Optimizing Drupal6 + finding bottlenecks

[robert mena]

Hi,

I have a drupal6 website that is behaving strangely with some occasional
slowdowns.

Any tips while trying to identify why it is like that?

I am ruling out hardware problems or even access since other sites (not
drupal based) are hosted and does not behave like that.

Under admin/reports/dblog I see lots of messages such as

*Warning*: *Invalid argument supplied for foreach()* in *
webform_phone_form_alter()* (line *38* of*
//public_html/drupal/sites/all/modules/webform_phone/webform_phone.module*).

or

*User warning*: *Duplicate entry
'admin/content/node-type/news/fields/field_embed_others_video' for
key 1 query: INSERT INTO menu_router (path, load_functions,
to_arg_functions, access_callback, access_arguments, page_callback,
page_arguments, fit, number_parts, tab_parent, tab_root, title,
title_callback, title_arguments, type, block_callback, description,
position, weight, file) VALUES
('admin/content/node-type/news/fields/field_embed_others_videos',
'', '', 'user_access',
'a:1:{i:0;s:24:\"administer content types\";}',
'drupal_get_form',
'a:3:{i:0;s:23:\"content_field_edit_form\";i:1;s:8:\"news\";i:2;s:25:\"field_embed_others_videos\";}',
63, 6, 'admin/content/node-type/news/fields',
'admin/content/node-type/news', 'Embed video',
't', '', 128, '', '', '',
0, 'sites/all/modules/cck/includes/content.admin.inc')* in *
_db_query()* (line *136* of*/public_html/drupal/includes/database.mysql.inc*
).
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.drupal.org/pipermail/support/attachments/20110724/dfc8c6bb/attachment.html