F5_memory_utilization_formula
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Article ID: 72823
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Updated On:
Products
CA Spectrum
Issue/Introduction
I would like to know the formula used to calculate memory utilization for F5 devices, and the corresponding OIDs
Environment
Spectrum 10.x
OS Independant
Resolution
The Formula for BigIP F5 devices:
( REAL( ( ( ( sysHostMemoryUsed - sysStatMemoryTotal ) + REAL( sysStatMemoryUsed ) ) / REAL( sysHostMemoryTotal ) ) ) * 100 )
OIDs which are polled:
sysHostMemoryUsed = 1.3.6.1.4.1.3375.2.1.7.1.2
sysStatMemoryTotal = 1.3.6.1.4.1.3375.2.1.1.2.1.44
sysStatMemoryUsed = 1.3.6.1.4.1.3375.2.1.1.2.1.45
sysHostMemoryTotal = 1.3.6.1.4.1.3375.2.1.7.1.1
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