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I am on a VPS box with a total RAM of 3GB. I have dozens of hosts running on it. I am trying to install Magento 2 on the box now.

  • Magento 2.0.7 recommends PHP memory_limit = 1G
  • My server is configured at memory_limit = 64M

I want to restrict the memory increase to just the new host on the box and ideally only to the process(es) that need it.

Can you share with me:

  1. what would happen to Magento 2.x if I ran it with only 64M memory?
  2. what processes specifically require all this memory?

Thank you.

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You need min of 500M to run Magento properly but 1 G would be ideal. With 64M it won't even work.

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  • Interesting feedback @oCodewire. You may well be the first person to solve all the issues I have had with Magento these past few months (magento.stackexchange.com/users/37674/h-ferrence?tab=questions). I am scrapping v2.0.2 because someone mentioned it was riddled with bugs. I am proceeding to install v2.0.7 and following the install instructions to a "t". That is where I happened upon the memory limit.
    – H. Ferrence
    Commented May 26, 2016 at 17:08
  • We now recommend a mimimum of 1G but if you're running xdebug, probably should double it.
    – Steve Johnson
    Commented May 26, 2016 at 22:04
  • The .htaccess files (root .htaccess and pub/.htaccess) should probably be updated to increase the memory limits as well to match with the recommendation.
    – Rob Mangiafico
    Commented May 27, 2016 at 17:32

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