Title: High CPU Usage
Last modified: April 8, 2023

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# High CPU Usage

 *  Resolved [stfa76](https://wordpress.org/support/users/stfa76/)
 * (@stfa76)
 * [3 years, 1 month ago](https://wordpress.org/support/topic/high-cpu-usage-49/)
 * Hi,
 * WordPress Version 6.2
   Anti-Spam CleanTalk Version 6.7
 * My hosting provider checked the recent spikes in CPU usage and told me this was
   the root cause:
 *     ```wp-block-code
       ──────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
       │ URL Durations                                                                                                │
       ├────────────────────────────────────────────────────────────────────────────────┬───────────────┬─────────────┤
       │                                       URL                                      │ AVG. DURATION │ OCCURRENCES │
       ├────────────────────────────────────────────────────────────────────────────────┼───────────────┼─────────────┤
       │ /wp-admin/admin-ajax.php?action=as_async_request_queue_runner&nonce=493bf72dbf │       32.611s │           6 │
       │ /wp-admin/admin-ajax.php?action=as_async_request_queue_runner&nonce=4edc364eb1 │       32.475s │          22 │
       │ /wp-admin/admin-ajax.php?action=as_async_request_queue_runner&nonce=d4cc6dbe88 │       32.298s │          51 │
       │ /wp-admin/admin-ajax.php?action=as_async_request_queue_runner&nonce=641c211181 │       32.253s │          78 │
       │ /wp-admin/admin-ajax.php?action=as_async_request_queue_runner&nonce=cd8b8beba2 │       30.880s │          18 │
       │ /wp-admin/admin-ajax.php?action=as_async_request_queue_runner&nonce=5cddef9277 │       29.329s │           9 │
       │ /wp-admin/admin-ajax.php?action=as_async_request_queue_runner&nonce=758caefd51 │       28.286s │          39 │
       │ /wp-cron.php?doing_wp_cron                                                     │       21.461s │         288 │
       │ /wp-admin/admin-ajax.php?action=as_async_request_queue_runner&nonce=0e42cbaaec │       14.016s │          34 │
       │ /index.php?apbct_no_cache=720708876                                            │       11.299s │           1 │
       └────────────────────────────────────────────────────────────────────────────────┴───────────────┴─────────────┘
       ```
   
 * If I’m not mistaken, apbct_no_cache is a process from CleanTalk Spam protection
   plugin, right?
   Is so, could you please investigate and give me your feedback?
   Thank you.
 * Best regards,
   Stf.

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Plugin Support [dimitrycleantalk](https://wordpress.org/support/users/dimitrycleantalk/)
 * (@dimitrycleantalk)
 * [3 years, 1 month ago](https://wordpress.org/support/topic/high-cpu-usage-49/#post-16638229)
 * Hello, [@stfa76](https://wordpress.org/support/users/stfa76/)
 * The following options will reduce the load on your webserver:
 * WordPress Admin Page —> Settings —> Anti-Spam by CleanTalk —> Advanced settings—
   >
    - —> set the option “Use AJAX for JavaScript check” to “Off” —>
    - —> set the option “Set cookies” to “On” —>
    - —> set the option “Add a CleanTalk Pixel to improve IP-detection” to “Off”—
      >
    - —> set the option “Anti-Crawler” to “Off” —>
    - —> set the option “Anti-Flood” to “Off” —>
    - —> Save Changes.
 * If it didn’t help, you can simply disable the SpamFireWall feature entirely as
   it’s an additional feature, the main part of the anti-spam protection will still
   work.
 * Did it help?
 *  Thread Starter [stfa76](https://wordpress.org/support/users/stfa76/)
 * (@stfa76)
 * [3 years, 1 month ago](https://wordpress.org/support/topic/high-cpu-usage-49/#post-16638280)
 * Hello [@dimitrycleantalk](https://wordpress.org/support/users/dimitrycleantalk/)
 * All the settings were already set as you mention, except the Anti-Flood that 
   was ON (value = 20).
   So I switched off the anti-flood.And I also disabled the
   SpamFireWall feature and see if the situation improves.
 * Thanks a lot for your feedback.
 * Best regards,
   Stf.
 *  Plugin Support [dimitrycleantalk](https://wordpress.org/support/users/dimitrycleantalk/)
 * (@dimitrycleantalk)
 * [3 years, 1 month ago](https://wordpress.org/support/topic/high-cpu-usage-49/#post-16638408)
 * You’re welcome!
 * Please, keep us informed.

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘High CPU Usage’ is closed to new replies.

 * ![](https://ps.w.org/cleantalk-spam-protect/assets/icon-256x256.gif?rev=3539767)
 * [Anti-Spam by CleanTalk. Spam protection](https://wordpress.org/plugins/cleantalk-spam-protect/)
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 * 3 replies
 * 2 participants
 * Last reply from: [dimitrycleantalk](https://wordpress.org/support/users/dimitrycleantalk/)
 * Last activity: [3 years, 1 month ago](https://wordpress.org/support/topic/high-cpu-usage-49/#post-16638408)
 * Status: resolved