Why does my servers SWAP show at 100%
Posted by Brian F. on 09 June 2017 04:30 PM
Our shared, reseller, and semi-dedicated hosting plans use an operating system called CloudLinux. CloudLinux utilizes a SWAP partition on the system for memory(RAM) management. When a portion of memory (RAM) has been idle for an extended period of time it's moved to SWAP so that additional memory can be used to read the systems I/O cache. This strategy is used by most operating systems now and will happen even if the system has available memory (RAM) sitting unused in cache. Unfortunately cPanel still shows a warning even though this is suppose to happen.

You can safely disregard the usage on the SWAP partition on your server. It has no impact on your individual accounts or websites performance.
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