Elektra Web On-Prem Installation System Recommendations | ||||||||
Single Node
Kubernetes Cluster * No disaster recovery * * No high availability * | Multi
Node Kubernetes Cluster * Disk level High Availability * * ~5 sec data loss on disaster recovery * | Multi
Node Kubernetes Cluster + External SQL Server Always on HADR Cluster * Disk and Transaction level disaster recovery * * No data loss on synchronous commit mode * * ~1 sec data loss on asynchronous commit mode * | ||||||
Low | DB Server | 1 x (8 vCPU 16GB Ram 100GB Disk Linux) | 3 x (4 vCPU 16GB Ram 200GB Disk Linux) | 3 x (4 vCPU 16GB Ram 200GB Disk Windows/Linux)** | ||||
Application Servers | 3 x (4 vCPU 8GB Ram 50GB Disk Linux) | |||||||
Backup Disk (GB) | 100GB* | 100GB* | 100GB* | |||||
MS SQL Server License | Express / Standard / Enterprise | Express / Standard / Enterprise | Enterprise | |||||
Medium | DB | 1 x (12 vCPU 32GB Ram 200GB Disk Linux) | 3 x (8 vCPU 24GB Ram 300GB Disk Linux) | 3 x (8 vCPU 24GB Ram 300GB Disk Windows/Linux)** | ||||
Application | 3 x (4 vCPU 8GB Ram 50GB Disk Linux) | |||||||
Backup Disk (GB) | 150GB* | 150GB* | 150GB* | |||||
MS SQL Server License | Standard / Enterprise | Standard / Enterprise | Enterprise | |||||
High | DB | 1 x (16 vCPU 48GB Ram 300GB Disk Linux) | 3 x (12 vCPU 32GB Ram 500GB Disk Linux) | 3 x (12 vCPU 32GB Ram 500GB Disk Windows/Linux)** | ||||
Application | 4 x (4 vCPU 8GB Ram 50GB Disk Linux) | |||||||
Backup Disk (GB) | 200* | 200* | 200* | |||||
SQL Server License | Standard / Enterprise | Standard / Enterprise | Enterprise | |||||
Ultra | DB | 1 x (32 vCPU 96GB Ram 500GB Disk Linux) | 3 x (16 vCPU 48GB Ram 500 Disk Linux) | 3 x (16 vCPU 48GB Ram 500 Disk Windows/Linux)** | ||||
Application | 4 x (4 vCPU 8GB Ram 50GB Disk Linux) | |||||||
Backup Disk (GB) | 400GB* | 400GB* | 400GB* | |||||
SQL Server License | Standard / Enterprise | Standard / Enterprise | Enterprise | |||||
Third party licenses required for on-prem installation: - Microsoft SQL Server - AG Grid - Bryntum Scheduler | ||||||||
Amount of Ram on SQL Server machines can be increased up to 4GB per Cpu | ||||||||
*: For 30 day backup retention. Also it's recommended to store them on the cloud or in a seperate physical machine. | ||||||||
**: External MSSQL Cluster can be on Windows or Linux machines. | ||||||||