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| Class instance | Type instance | CPU | Memory | Network Bandwidth (Gigabit) | Storage | Processor | price for 1 hour for 1 instance (On Demand) | scale-down-utilization-threshold=0,5 count of nodes | scale-down-utilization-threshold=0,75 count of nodes |
| m5 | m5ad.xlarge | 4 | 16 | 10 | 1 * 150 NVMe SSD | AMD EPYC 7000 | 0,206 | ||
| m5.xlarge | 4 | 16 | 10 | EBS only | Intel Xeon® Platinum 8175M | 0,192 | 5 | 5 | |
| m5a.xlarge | 4 | 16 | 10 | EBS only | AMD EPYC 7000 | 0,172 | |||
| m5d.xlarge | 4 | 16 | 10 | 1 * 150 NVMe SSD | Intel Xeon® Platinum 8175M | 0,226 | |||
| r5 | r5.large | 2 | 16 | 10 | EBS only | Intel Xeon® Platinum 8000 (Skylake 8175M или Cascade Lake 8259CL) | 0,126 | 7 | 6 |
| r5.xlarge | 4 | 32 | 10 | EBS only | Intel Xeon® Platinum 8000 (Skylake 8175M или Cascade Lake 8259CL) | 0,252 | |||
| r5a.xlarge | 4 | 32 | 10 | EBS only | AMD EPYC 7000 (AMD EPYC 7571) | 0,226 | 3 | 3 | |
| r5ad.xlarge | 4 | 32 | 10 | 1 * 150 NVMe SSD | AMD EPYC 7000 (AMD EPYC 7571) | 0,262 | |||
| r5d.xlarge | 4 | 32 | 10 | 1 * 150 NVMe SSD | Intel Xeon® Platinum 8000 (Skylake 8175M или Cascade Lake 8259CL) | 0,288 | |||
| r6 | r6a.large | 2 | 16 | 12,5 | EBS only | AMD EPYC (AMD EPYC 7R13) | 0,113 | ||
| r6a.xlarge | 4 | 32 | 12,5 | EBS only | AMD EPYC (AMD EPYC 7R13) | 0,226 | |||
| r6i.xlarge | 4 | 32 | 12,5 | EBS only | Intel Xeon Scalable (Ice Lake 8375C) | 0,252 | 3 | 3 | |
| r6i.large | 2 | 16 | 12,5 | EBS only | Intel Xeon Scalable (Ice Lake 8375C) | 0,126 | |||
| r6in.large | 2 | 16 | 25 | EBS only | Intel Xeon Scalable (Ice Lake 8375C) | 0,174 | |||
| r6in.xlarge | 4 | 32 | 30 | EBS only | Intel Xeon Scalable (Ice Lake 8375C) | 0,348 |
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Table below show the total cost that we will spend for 3 years using different EC2 payment options for 1 instance.
| Standard RI | Save plan | ||||||
| Type instance | On Demand | no upfront | Partial upfront | all upfront | no upfront | Partial upfront | all upfront |
| m5.xlarge | 4976,64 | 2181 | 2007,64 | 1897 | 2549,16 | 2365,2 | 2312,64 |
| r5.large | 3265,92 | 1419 | 1319 | 1245 | 1734,48 | 1603,26 | 1576,8 |
| r5a.xlarge | 5857,92 | 2575 | 2370,6 | 2233 | 3101,04 | 2864,44 | 2811,96 |
| r6i.xlarge | 6531,84 | 3004 | 2781,68 | 2615 | 3454,56 | 3198,48 | 3134,68 |
Calculate total cost for 3 years for amount instances
Count was taken from investigation when we had to run our test cluster on different instance types.
| Type instance | count nodes |
| m5.xlarge | 5 |
| r5.large | 7 |
| r5a.xlarge | 3 |
| r6i.xlarge | 3 |
Table below show the total cost that we will spend for 3 years using different EC2 payment options for run test application on folio-tmp cluster.
| Standard RI | Save plan | ||||||
| Type instance | On Demand | no upfront | Partial upfront | all upfront | no upfront | Partial upfront | all upfront |
| m5.xlarge | 24883,2 | 10906 | 10038,2 | 9485 | 12745,8 | 11826 | 11563,2 |
| r5.large | 22861,44 | 9934 | 9233 | 8715 | 12141,36 | 11222,82 | 11037,6 |
| r5a.xlarge | 17573,76 | 7726 | 7111,8 | 6699 | 9303,12 | 8593,32 | 8435,88 |
| r6i.xlarge | 19595,52 | 9013 | 8345,04 | 7845 | 10363,68 | 9595,44 | 9404,04 |
Conclusion
As the result of investigation, for save money need to move to memory optimized instance class r5 or r6 because this class has much more memory and it gives opportunity to run less EC2 instances than we are running now.
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