Question

Facing server down problem from last 3-4 days. No help/response from digitalocean.

Posted February 18, 2014 4k views
Facing server down problem from last 3-4 days. No help/response from digitalocean. I was using a server with 512 MB RAM. It was going down, if real time visitors are more. Upgraded the server to 1GB. Still facing the same problem. It goes down, if more than 30 users are active at a moment. Any help will be appreciated.
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subhra44
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7 answers
dadykstr February 19, 2014
I have the same config but have no issues. Maybe the wrong place to get a quick response.
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dadykstr February 19, 2014
try reading this:

https://www.digitalocean.com/community/articles/how-to-set-up-nginx-load-balancing

How To Set Up Nginx Load Balancing
by Etel Sverdlov
This article covers how to set up a simple load balancer on a DigitalOcean droplet with nginx. The tutorial covers setting up a round robin loadbalancer that can then direct site visitors to one of a set of IPs
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dadykstr February 19, 2014
https://www.digitalocean.com/support
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subhra44 February 19, 2014
I am using apache. 3-4 other websites are also there. But these websites does not have any traffic at all.
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subhra44 February 19, 2014
Checkout http://i.imgur.com/3OwPmGA.png (memory status)
At that time I was having 23 active users.
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TonyTsang February 19, 2014
You may consider adding swap file, at least the server won't goes down immediately.

https://www.digitalocean.com/community/articles/how-to-add-swap-on-ubuntu-12-04

You app seems very memory intensive, there is nothing to do with limited memory.

The solutions is to optimize your code, bring up a higher memory instance.

Or put a load balancer in front and bring up multiple droplets at the back to spread out the load.
How To Add Swap on Ubuntu 12.04
by Etel Sverdlov
Linux swaps allow a system to harness more memory than was originally physically available. Here's how to set up a linux swap file on Ubuntu 12.04
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subhra44 February 19, 2014
@Tony Tsang

My website is a simple wordpress website.

Added a swap file. I have one doubt. How swapped memory gets freed up?

Contacted DO. they are telling it is because of mysql crash.
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