Search & 404 pages crushing site

[sashman]

Client wanted a genesis theme for their site so we loaded it up for them. It seemed to work well out of the box, but when we put it live noticed that search and it's 404 pages were taking about 30x as long as it's predecessor -- 2sec vs 60sec+. Too many 404s and the site goes down due to OOM (the vm has 32gb). If you revert themes, everything works fine. The theme **has** to be doing something behind the scenes with search. Every other component runs fine. The site in question has half a million comments, and close to 30 thousand articles -- not a small site. I'm a little concerned that the genesis theme wasn't made with large sites in mind. Something is seriously wrong.

Thanks!

[sashman]

To answer my own question and hopefully to help someone else, we went ahead and ran a profiler against the genesis code. The issue was in the 404.php :

__( 'Sitemap', 'genesis')

This code was running genesis_get_sitemap, which was trying to create a sitemap .. every time a 404 was called. So, not really made for large sites. To fix, you can copy the 404.php over to a child theme and comment out :

//if ( genesis_a11y( '404-page' ) ) {
// echo '<h2>' . __( 'Sitemap', 'genesis' ) . '</h2>';
// genesis_sitemap( 'h3' );
//} else {
// genesis_sitemap( 'h4' );
//}`

[ᴅᴀᴠɪᴅ]

Or use Genesis 404 plugin, which takes away the site map and allows you to just add some content to the 404 page.

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