Hi,
I am upgrading my hosting to Dedicated server(presently on Shared Linux Hosting - Godaddy).
I purchased a dedicated server(Godaddy) with following configuration:
Operating System: CentOS 5
Processor: Intel Core 2 Duo - 2.66 GHz
RAM: 4 GB
I don't know much about server and to set its configuration(my.cnf, php.ini, etc).
I successfully migrated data and MySql to new server. Everything was fine. Only last error remaining was:
HTTP request status Fails
Then, I installed a module: "Http Request Fail Reset" from http://drupal.org/project/http_request_fail_reset and I set reset at every 1 minute in settings.
I don't know what happened wrong (may be culprit was: Http Request Fail Rest module, but I am not sure), my server hangs. Server support chat team said: there are so many MySql connections (approx 1200+), 90 Apache instances(as I remember..), etc. I can't access my website, SSH, Plesk and FTP, everything was so much slow. Then, I requested to support team to reboot the server and before my server get busy, I deleted my website's root folder and database. Now my server was properly breathing.
I want to mention at above scenario, my website domain DNS was pointing to dedicated server, normal traffic was 150(according to Google Analytic real time report) and domain DNS was pointing to the server from last 12 hours.