Index.php using 100% CPU [closed]

Unless otherwise specified (usually happens on admin side, and image access), all requests to wordpress pass and are processed by the index.php file, therefor it is not very interesting to look at which file is being “run”, you should look more at the request log and how much time it takes to complete each request.

So if it is not any kind of attack, you probably have a traffic spike which might be worth investigating it source, but whether it is a DDOS attempt or just normal traffic, it sounds like either your theme code can be optimized or there is some thing that can be improved in your server setup.

Related Posts:

  1. Server configuration for WordPress – Do I need install PHP-SSH extensions for WordPress on Fedora28?
  2. After upgrade to php 7 plugin/them updates broke [closed]
  3. How to set intervals in cron jobs?
  4. SSH vs WordPress
  5. Custom media upload content for inserting custom post shortcode
  6. How do I get WooCommerce to automatically recreate pages? [closed]
  7. How to moderate posts
  8. Searching users with WP_List_Table plugin
  9. What is the purpose of adding a .po file?
  10. Security error WP 4.0 + WP phpBB Bridge [closed]
  11. Issues creating a tinyMCE plugin that creates a custom link
  12. Execute a function using ajax
  13. What does do_action() function do in wordpress? [duplicate]
  14. “Are you sure you want to do this?” when deactivating all plugins in WordPress 4.3.1 [closed]
  15. how to redirect to my template
  16. Template for custom post type shows all posts instead of just one
  17. Difference between register_block_type & wp.blocks.registerBlockType
  18. Can’t create term for product attribute
  19. Hidden Custom Post Type
  20. Adding Attachment Display Settings in custom media frame
  21. Conditionally bypass plugin
  22. Is it possible to install two mail plugins together in a single WordPress site? How to do it? [closed]
  23. Theme or Plugin: Where should I write my code?
  24. Is it possible to use WordPress as an online portfolio for text content? What kind of theme would I look for?
  25. change captcha design in Fast Secure Contact Form plugin
  26. Correct way to make meta box with more than one meta field secure
  27. I want to extend the current themes’ single.php to display the meta fields of my CPT
  28. How can I implement an Add to Collection function on my Image Gallery to be downloaded later?
  29. Gravity Forms plugin: How to use “gform_editor_js” action hook? [closed]
  30. Add Piecemaker to WordPress Header
  31. Filtering out specific post formats from certain pages
  32. Plugin updates from a specific location
  33. Calling plugin function inside custom plugin for onclick event
  34. How to fix wrong attribute error for Visual Composer Grid Builder?
  35. html generated by theme exist but doesnt appear in browser
  36. dirname( __FILE__) returning wrong directory inside plugin
  37. Image Manager Plugin [closed]
  38. “Master” WordPress Multisite – Database Sync
  39. “No Add Button” for me to customize my WordPress with themes and pluggins
  40. I need help locating a URL that is on my site map, but that I can’t find in my WordPress dashboard
  41. Removing Automatic Redirects Without Plugin
  42. Cannot get wpdb data (Error in a simple fuction) [closed]
  43. Timber – Twig post.content returns null can’t create ACF Gutenberg blocks
  44. Add estimated value for a post according to the number of words
  45. Adding Plugin Assets to Header
  46. How to Define Multiple List Tables in a Single Submenu
  47. Add type to enqueued script inside plugin
  48. Automatically download, install and activate plugins that my plugin depends, how?
  49. WordPress SVN UTF-8 issue
  50. Advanced Custom Fields (acf) – Filter Relationship by Taxonomies not Post Type
  51. Asynchronous request in wordpress
  52. Display my plugins content based on a pages post_id
  53. Make get_permalink() work outside the Loop using filters
  54. How can I get someone to checkout as soon as they add a product to cart?
  55. Can you echo PHP code from a variable?
  56. Pluging with content for a specific page or post
  57. WordPress Plugin- How to Insert Html&JS code in specific Page and specific Div
  58. Restrict posts to customers with complete WooCommerce orders only
  59. Upload Image with a file URL and show dynamically on Frontend
  60. Use get_pages() before another plugin modifies it
  61. add products to WordPress site automatically
  62. How can i solve php upgrade problem
  63. Bash script to check available updates
  64. Submitting form to PHP
  65. Hide button after form submit and save state to localstorage
  66. How use get_plugin_updates() function?
  67. how override a define
  68. WordPress plugin blog creation
  69. Preserving existing functionality converting HTML to WordPress
  70. Modifying server’s response to API endpoint
  71. FTP access to NAS drive files/folders from WordPress site
  72. Change Jobs for WordPress templates
  73. Restoring a WordPress site
  74. Cron job emails blank
  75. Get content and send to 3rd party
  76. How to make wp multisite subdomain exist search
  77. Molpay recurring payment in WordPress
  78. Rewrite in plugin
  79. How To Edit User Profile In Front End?
  80. Is it possible to get a shortcode generated by a plugin, then, using a function, create a new post using that shortcode?
  81. Add predefined values to custom post plugin
  82. Theme Load Error
  83. How to copy data from user profile page (profile.php) to theme customizer
  84. Custom shortcode with dynamic rewrite
  85. Problem with wp_editor
  86. Add plugin by SVN. Current version problem
  87. Can’t upgrade themes or plugins after upgrading WordPress to 4.4
  88. Elfsight Google Maps Plugin Version 2.1.0 : Location image input not found [closed]
  89. Eliminate Render blocking CSS?
  90. User register hook can’t access form request
  91. Injecting a javascript banner code right before & after wordpress navigation menu
  92. Continuous jQuery Slider / Carousel Plugin with linkable slides [for WooCommerce]
  93. How can i add a random redirect button in wordpress? [closed]
  94. Outputting custom field query from a plugin to the website header
  95. How can I include properly javascript files in my wp plugin [duplicate]
  96. Subtract Using GravityWP Count Plugin
  97. Block Missing from Inserter When Following Block Tutorial
  98. How to create a buddypress group automatically if a topic is created
  99. How to add portfolio category post count in main navigation menu?
  100. Convert from Portfolio post to WooCommerce products [closed]