memory

How to add swap space on live server

Tags: memoryOOMswap

Published on : October 14, 2015 by

How to add swap space on live server

One of my client experienced frequent MySQL downtime on his server. The VPS server had  a couple of accounts with relatively normal traffic. The MySQL error log and server load during the MySQL crash too failed to show up any unusual events. On further investigation, the server log /var/log/messages, indicated that the server had been […]

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OpenVZ :: Fix “Unable to fork: Cannot allocate memory”

Tags: memoryopenvzprivvmpages

Published on : July 21, 2014 by

OpenVZ :: Fix “Unable to fork: Cannot allocate memory”

In OpenVZ management sometimes on accessing a Container from the Node, it says “Unable to fork: Cannot allocate memory“. The VPS id is 273  Lets see whether its an issue with the Node Memory   Its not, so lets go to the proc filesystem entry showing resource control information, which is /proc/user_beancounters file. The Container […]

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