Title: 100% cpu usage /wp-cron.php?
Last modified: August 21, 2016

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# 100% cpu usage /wp-cron.php?

 *  Resolved [The Collector](https://wordpress.org/support/users/the-collector/)
 * (@the-collector)
 * [12 years, 7 months ago](https://wordpress.org/support/topic/100-cpu-usage-wp-cronphp/)
 * Hi we are getting very high CPU usage on our shared hosting and the latest visitors
   are /wp-cron.php?0048a3a2a492749c73e8483365d7f392&action=wysija_cron&proce…
    
   Do you think I have a problem with WYSIJA we have version 2.5.9 We send about
   1000 emails out on Tuesday night and generally overide the 20 minute schedule
   to get them out quicker. The above message is showing as latest visitors on Thursday
   morning and cpu usage is stuck on 100% Any ideas Thanks Ray
 * [http://wordpress.org/plugins/wysija-newsletters/](http://wordpress.org/plugins/wysija-newsletters/)

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

 *  [George Mamadashvili](https://wordpress.org/support/users/mamaduka/)
 * (@mamaduka)
 * [12 years, 6 months ago](https://wordpress.org/support/topic/100-cpu-usage-wp-cronphp/#post-4207430)
 * Hello Ray,
 * What’s sending limit for 1000 emails?
 * George
 *  Thread Starter [The Collector](https://wordpress.org/support/users/the-collector/)
 * (@the-collector)
 * [12 years, 6 months ago](https://wordpress.org/support/topic/100-cpu-usage-wp-cronphp/#post-4207439)
 * The sending limit is 200 but I think we’ve fixed the problem. Deactivated Wysija
   and cpu usage dropped immediately, did that a few times with same result. It 
   appears that everytime someone logged onto the site Wysija would check the emails
   for unsent emails. We have since gone to settings in Wysija and set the cron 
   to run every 5 minutes, so far so good for about a week now.
    So I think we’ve
   fixed the problem. Cheers Ray
 *  [Tung Wysija](https://wordpress.org/support/users/tung-wysija/)
 * (@tung-wysija)
 * [12 years, 6 months ago](https://wordpress.org/support/topic/100-cpu-usage-wp-cronphp/#post-4207443)
 * Thank you!
    We are glad to hear that. Cheers,

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

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## Tags

 * [cron](https://wordpress.org/support/topic-tag/cron/)

 * 3 replies
 * 3 participants
 * Last reply from: [Tung Wysija](https://wordpress.org/support/users/tung-wysija/)
 * Last activity: [12 years, 6 months ago](https://wordpress.org/support/topic/100-cpu-usage-wp-cronphp/#post-4207443)
 * Status: resolved