102 lines
2.9 KiB
Markdown
102 lines
2.9 KiB
Markdown
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# Validator Node Pool Deployment
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## Configuration
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### Validator Nodes
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- **Count**: 2 nodes
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- **VM Size**: Standard_B1ms
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- **vCPUs**: 1 per node (2 total)
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- **Memory**: 2GB RAM per node (4GB total)
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- **Type**: Burstable (B-series)
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### Resource Summary
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- **System Pool**: 3 × Standard_D2s_v3 (2 vCPUs, 8GB RAM each) = 6 vCPUs
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- **Validator Pool**: 2 × Standard_B1ms (1 vCPU, 2GB RAM each) = 2 vCPUs
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- **Total**: 8 vCPUs (within 10 vCPU limit) ✅
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## Standard_B1ms Specifications
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### Compute
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- **vCPUs**: 1
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- **Memory**: 2GB RAM
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- **Burstable**: Yes (CPU credits)
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- **Cost**: ~$0.0104/hour (~$7.50/month per node)
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### Storage
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- **OS Disk**: Up to 32GB (Premium SSD)
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- **Data Disks**: Up to 2 disks
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- **Max IOPS**: 1,920 IOPS
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### Network
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- **NICs**: 2 network interfaces
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- **Bandwidth**: Moderate (up to 200 Mbps)
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## Why Standard_B1ms for Validators?
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### Advantages
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1. **Fits Quota**: 1 vCPU allows 2 validators within 4 available vCPUs
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2. **Cost Effective**: 90% cheaper than Standard_D2s_v3
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3. **Sufficient for Besu**: 1 vCPU, 2GB RAM meets minimum requirements
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4. **Burstable**: CPU credits for variable workloads
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5. **Scalable**: Can upgrade to Standard_B2s or Standard_D2s_v3 later
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### Considerations
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- **CPU Credits**: B-series uses burst credits, monitor usage
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- **Performance**: May need upgrade for high-volume production
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- **Memory**: 2GB RAM is minimal, may need upgrade for large states
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## Deployment Status
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### Before Deployment
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- **System Nodes**: 3 × Standard_D2s_v3 = 6 vCPUs
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- **Total**: 6 vCPUs
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### After Deployment
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- **System Nodes**: 3 × Standard_D2s_v3 = 6 vCPUs
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- **Validator Nodes**: 2 × Standard_B1ms = 2 vCPUs
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- **Total**: 8 vCPUs (within 10 limit) ✅
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## Monitoring
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### Check Validator Nodes
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```bash
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# View node pool status
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az aks nodepool show \
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--resource-group az-p-we-rg-comp-001 \
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--cluster-name az-p-we-aks-main \
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--name validators
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# View all nodes
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kubectl get nodes -o wide
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# Check node resources
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kubectl top nodes
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```
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### Monitor CPU Credits (B-series)
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```bash
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# Check Azure Monitor metrics
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az monitor metrics list \
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--resource /subscriptions/fc08d829-4f14-413d-ab27-ce024425db0b/resourceGroups/az-p-we-rg-comp-001/providers/Microsoft.ContainerService/managedClusters/az-p-we-aks-main \
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--metric "Percentage CPU Credits Remaining"
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```
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## Next Steps
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1. **Deploy Besu Validators**: Deploy Besu pods to validator nodes
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2. **Monitor Performance**: Check CPU credits and performance
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3. **Scale Up**: Upgrade to Standard_B2s if needed
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4. **Deploy Sentries**: After quota increase or optimization
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## Upgrade Path
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### If Performance is Insufficient
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- **Option 1**: Upgrade to Standard_B2s (2 vCPUs, 4GB RAM)
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- **Option 2**: Upgrade to Standard_D2s_v3 (2 vCPUs, 8GB RAM)
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- **Option 3**: Increase node count (need quota increase)
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### Cost Comparison
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- **Standard_B1ms**: ~$7.50/month (current)
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- **Standard_B2s**: ~$15/month (2× cost, 2× vCPUs)
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- **Standard_D2s_v3**: ~$70/month (9× cost, 2× vCPUs)
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