Dashboard shows a blank page after plugin update to 8.1.0

Seems like my PHP runs out of memory (256MB).

WP_DEBUG: “Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 20480 bytes) in /path/to/wp-includes/wp-db.php on line 1972”

• This reply was modified 5 years, 5 months ago by tzwick.

Fixed it:

php.ini:
memory_limit = 1024M

But it is a huge amount of memory usage.

Thanks for your feedback. This could happen if you have low memory setting for PHP (256MB is not that much) and if you have a lot of chat sessions stored in the database. If this is the case, consider increasing PHP memory limit (you already did) or cleaning up chat history.
We’ll optimize dashboard to reduce resource usage.

Thank YOU for your feedback. 256MB is not that much, you are right.

I disabled “Enable chat dashboard and notifications on all admin pages:” in the settings and reduced the memory-limit temporarily for a test.

With the disabled notification on the admin pages it works with 256MB memory limit.

Have a nice day!

Yes, this is a good compromise if you’re low on memory. In any case, we have memory optimization on our todo list, stay tuned for next releases.

Ok.
The default value for PHP 7.2 ‘memory_limit’ is 128M btw.