wiki:RamUsage

Version 5 (modified by chris, 3 years ago) (diff)

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  1. puffin

RAM Usage

Some notes on the RAM allocated and used by the virtual servers.

puffin

wiki:PuffinServer in the server running https://www.transitionnetwork.org/ and it was originally created with 4GB of RAM, on 20th June, following problems related to how it was coping with the load it was under, this was doubled to 8GB of RAM.

Following is a memory usage graph from the Munin stats for the server which illustrate the increase:

Puffin Monthly RAM Usage 24th June 2013

The sawtooth pattern is caused by !MySQL slowly increasing it's memory usage as more things are cached and !MySQL restarts, this is made clear in the graph below which tracks the memory used by some of the key processes on the server:

Puffin Multi-PS Memory Usage 24th June 2013

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