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High bandwidth on virtual IP

Description of the environment : An apache server (Drupal) connected to mysql server using a virtual IP. The problem : The (outgoing) bandwidth on VIP has exploded (after a new site version ...
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Probable database replication issue in LAMP setup with Master/Master MySQL replication

I have been facing issues in my high availability failover (on WAN links) LAMP setup hosting a Drupal CMS based site, approximately after every 2 months both servers suddenly stop responding to http ...
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Enumerate open oracle connections

How can I troubleshoot which processes are keeping connections open? Background: A QA installation of several software components is generating an ORA-12516 error now and then, and I'm not sure which ...