Fatal error Allowed memory size of 268435456 bytes exhausted tried to allocate 71 bytes

Question

I m getting an error when I try to open one of my dashboard pages in my wordpress script  The error message is as follows      Fatal error  Allowed memory size of 268435456 bytes exhausted  tried   to allocate 71 bytes  in    home admin domains filesick com public html wp-includes taxonomy php   on line 2685   I asked around and was told I have to increase the memory limit to something higher than 256M  so I changed it to 512M and still the same problem  Then I changed it to 3024M and this is what I have now  but that didn t fix the problem   So could you please tell me how to fix this and what should I do    Waiting for your response

User · Answer

I changed the memory limit from  htaccess and this problem got resolved  I was trying to scan my website from one of the antivirus plugin and there I was getting this problem  I increased memory by pasting this in my  htaccess file in Wordpress folder  php value memory limit 512M  After scan was over  I removed this line to make the size as it was before

User · Answer

WordPress overrides PHP s memory limit to 256M  with the assumption that whatever it was set to before is going to be too low to render the dashboard  You can override this by defining WP MAX MEMORY LIMIT in wp-config php   define   WP MAX MEMORY LIMIT     512M       I agree with DanFromGermany  256M is really a lot of memory for rendering a dashboard page  Changing the memory limit is really putting a bandage on the problem

User · Answer

I had this problem  I searched the internet  took all advices  changes configurations  but the problem is still there  Finally with the help of the server administrator  he found that the problem lies in MySQL database column definition  one of the columns in the a table was assigned to  Longtext  which leads to allocate 4 294 967 295 bites of memory  It seems working OK if you don t use MySqli prepare statement  but once you use prepare statement  it tries to allocate that amount of memory  I changed the column type to Mediumtext which needs 16 777 215 bites of memory space  The problem is gone  Hope this help

[php] Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 71 bytes)

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