Fix WordPress Memory Exhausted Error in 30 Seconds (WP-CLI Method) 🚀
Seeing this error on your WordPress site?
Fatal error: Allowed memory size exhausted…
This usually means your website has run out of PHP memory — which can crash your site, break plugins, or even lock you out of the dashboard.
In this video, I’ll show you how to diagnose and fix the issue using WP-CLI — without relying on the WordPress dashboard.
🔧 What You’ll Learn:
How to enable WordPress debug mode using WP-CLI
How to check error logs and find the real issue
How to safely increase WordPress memory limit
Why this error happens and how to prevent it
💻 Commands Used in This Video:
wp config set WP_DEBUG true --raw
wp config set WP_DEBUG_LOG true --raw
wp config set WP_DEBUG_DISPLAY false --raw
cat wp-content/debug.log
wp config set WP_MEMORY_LIMIT 256M --raw
wp config set WP_MAX_MEMORY_LIMIT 512M --raw
📖 Full Step-by-Step Guide (Blog Post)
👉 https://wpthrill.com/fix-allowed-memo...
This guide explains:
What “Allowed Memory Size Exhausted” really means
Common causes (plugins, themes, low server memory)
Multiple ways to fix it safely
Best practices to avoid it in future
⚠️ Why This Error Happens
This error occurs when a PHP script tries to use more memory than your server allows.
Common causes include:
Low memory limit (like 64MB or 128MB)
Heavy plugins or themes
Large database operations or imports
🚀 Pro Tip
Increasing memory can fix the issue quickly, but if it keeps happening, you should:
Identify memory-heavy plugins
Optimize queries or code
Use WP-CLI for heavy tasks instead of dashboard
🔥 More WP-CLI Tutorials
If you want to manage WordPress faster and fix errors without dashboard access, check out the full WP-CLI series on the channel.
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