I seem to have server crashes every 24-48 hours, the server memory keeps climbing up until the server runs out of memory then kills off the children.

I can fix the problem by restarting php5-fpm but I don’t want to keep doing that.

It is just using a LEMP stack with Wordpress Buddypress but I suspect there may be a memory leak?

I am already using a 4gb Swap file on a $10 vps. Any ideas?


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1 answer

Without logs and more details is hard to say the cause, 4gb SWAP is terrible big and won’t resolve your problem.

Try adding some caching to your droplet/site with Cloudflare - Varnish, and Total Cache plugin, also use APC for mysql caching. Be sure that PHP-FPM is optimized, maybe you have too much memory and processes assigned to it, which doesn’t mean it will be able to handle more traffic.

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