Virtual machines incur overhead memory. You should be aware of the amount of this overhead.

Overhead Memory on Virtual Machines lists the overhead memory (in MB) for each number of VCPUs.

Overhead Memory on Virtual Machines

Memory (MB)

1 VCPU

2 VCPUs

3 VCPUs

4 VCPUs

5 VCPUs

6 VCPUs

7 VCPUs

8 VCPUs

256

113.17

159.43

200.53

241.62

293.15

334.27

375.38

416.50

512

116.68

164.96

206.07

247.17

302.75

343.88

385.02

426.15

1024

123.73

176.05

217.18

258.30

322.00

363.17

404.34

445.52

2048

137.81

198.20

239.37

280.53

360.46

401.70

442.94

484.18

4096

165.98

242.51

283.75

324.99

437.37

478.75

520.14

561.52

8192

222.30

331.12

372.52

413.91

591.20

632.86

674.53

716.19

16384

334.96

508.34

550.05

591.76

900.44

942.98

985.52

1028.07

32768

560.27

863.41

906.06

948.71

1515.75

1559.42

1603.09

1646.76

65536

1011.21

1572.29

1616.19

1660.09

2746.38

2792.30

2838.22

2884.14

131072

1912.48

2990.05

3036.46

3082.88

5220.24

5273.18

5326.11

5379.05

262144

3714.99

5830.60

5884.53

5938.46

10142.83

10204.79

10266.74

10328.69