How are HCU's measured?
Posted by Phil (Netcetera) on 04 April 2014 12:56 PM

CPU usage time statistics are gathered live via Apache and MySQL – these figures measure the CPU time used on a server per request or per query respectively. Although these are measurements of CPU time, disk load is also a factor in the results, for example large database queries will be mainly waiting for disk I/O operations rather than CPU time but they will still consume a comparatively large number of HCUs. This means that HCUs are actually a more holistic measure of computing resources used rather than a specific measurement of CPU time. 

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