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All the estimates projected are based on tests performed for 24 hours on single namespace/ single cluster concept with multiple concurrent users and a shared RDS. |
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Clinic setup - 2 frontdesk users, 2 doctors (4 users)** Smaller clinic setup - 1 frontdesk user, 1 doctor (2 users)** |
Lesser clinics cluster
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t3.large instance is suggested for Bahmni lite implementation since the number of active pods may vary from “14 to 22” based on the requirement. t3.large supports upto 35 kubernetes pods and enables seamless deployments. |
Hardware
Node (EC2: t3-large)
RAM 8GB
2 vCPU
AWS LINUX x86_64
Max pods supported: 35
Database (AWS RDS service: db.t3.xlarge)
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Pre Patient Records in DB - 75000
The given hardware supported 40 concurrent users during our test with acceptable performance. The clinical activities performed under the test were
Activities | Total performed | Single user performed |
Patient Created | 5760 | 720 |
Patient Search | 8640 | 720 |
Patient Consultation | 5760 | 288 |
Patient Document Upload | 1440 | 720 |
Based on the above numbers, two default provisions to setup the cluster
suggested - If the expected patient demand forecast matches the tested numbers by more than 75%, consider this setup
maximum - If the expected patient demand forecast matches the tested numbers by less than 75%, consider this setup
4 users clinic setup (suggested)
1 to 10 clinics
4 users clinic setup (maximum
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)
1 to 12 clinics
2 users clinic setup (suggested)
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m5.xlarge instance is suggested for Bahmni lite implementation on this setup since both the CPU and RAM availability is twice than t3.large and supports upto 58 kubernetes pods. |
Hardware
Node (EC2: m5-xlarge)
RAM 16GB
4 vCPU
AWS LINUX x86_64
Max pods supported: 58
Database (AWS RDS service: db.t3.xlarge)
...
Pre Patient Records in DB - 90000
The given hardware supported 70 concurrent users during our test with acceptable performance. The clinical activities performed under the test were
Activities | Total performed | Single user performed |
Patient Created | 10080 | 720 |
Patient Search | 14400 | 720 |
Patient Consultation | 10080 | 288 |
Patient Document Upload | 2160 | 720 |
Based on the above numbers, two default provisions to setup the cluster
suggested - If the expected patient demand forecast matches the tested numbers by more than 75%, consider this setup
maximum - If the expected patient demand forecast matches the tested numbers by less than 75%, consider this setup
4 users clinic setup (suggested)
13 to 17 clinics
4 users clinic setup (maximum
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)
13 to 20 clinics
2 users clinic setup (suggested)
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Bahmni Lite Setup and Cost Estimation*- The maximum number of clinics are an approximate projection based on the performance test results and the test's higher demand requirement from norm. The maximum estimates should be considered when the average patient visits to the clinics are moderate to semi high.
**- The number of users assumed are based on the number of requests sent by a user on an average to the server and typical clinic setup observed from real time sources.
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