When I took backup of full-site and database, 3 months ago, size of captcha was 48mb but now size is increasing.

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now I have checked it's taking more than 4 gb disk space.

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Full-site database backup zip is 7gb and captcha size is more than 4gb. It is also creating a problem when i extract my fullsite website because captcha is taking too much time to extract.

I am unable to find the reason why are captcha counts and size increasing.


Captcha image is generated each time a captcha appears on on your website. It will create a new one if someone refreshes captcha.

So you need to delete the old captcha files as they are no longer useful.

There is a default cron setup for removing expired captcha images. May be on your server you do not have cron enabled or there is some issue with your captcha cron. Refer this link for more info.

  • I have tried this solution.....but it is not working – Aks Jul 13 '17 at 7:38
  • Do you have cron enabled on your server? You can also debug deleteExpiredImages to check if its being executed or not. – Jaimin Sutariya Jul 13 '17 at 8:15
  • Yes cron job is enabled however it is not working – Aks Jul 16 '17 at 6:11

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