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Fatal error: Allowed memory size of 268435456 bytes exhausted… that is 256MB

  • wasana
    Member

    @wasana

    I have a multisite subdomain network with about 40 sites and not many posts.

    After adding a bunch of sites; I’m trying to activate a plugin both network and per site, and getting the memory allocation error…

    Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 46662537 bytes) in /wp-includes/wp-db.php on line 1087
    which is
    1086=// Log how the function was called
    1087=$this->func_call = “\$db->query(\”$query\”)”;

    I deactivated all network plugins and got the same error; after disabling/enabling other plugins the error changed to
    wp-includes/wp-db.php on line 931
    $error_str = sprintf( __( ‘WordPress database error %1$s for query %2$s made by %3$s’ ), $str, $this->last_query, $caller );

    Fatal error: Allowed memory size of 268435456 bytes exhausted… if you look closely, that is 256MB… huh?!

    I have VPS with good specs, php configuration memory_limit set at 64MB, each blog is allocated 100mb, I edited wp-config to add: define(“WP_MEMORY_LIMIT”,”64M”);

    I can activate less complicated plugins (the one in question creates a number of db tables), so might be an issue with that particular plugin, but it was working fine before, and the memory allocation of 256MB is a puzzle. I’m wondering if something about limits to the database but I can’t find anything about that.

    I did a ‘repair database’ in cpanel and everything reported OK

    I thought about increasing php memory limit, but if I set it at 64MB and I’m allocated 256MB – I have no idea what that means.

    Any idea what might be going on? and how to maybe remedy it?

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