Availability & Downtime Register View
Monthly system availability, downtime details, root cause analysis, impact classification, and responsible system tracking
Full Delivery Chain
System Availability — Current Month
System Availability %
99.12%
Available time / scheduled time
Total Downtime Hours
7.6h
Sum of all downtime durations
Planned Downtime Hours
4.0h
Scheduled maintenance windows
Unplanned Downtime Hours
3.6h
Unexpected outages this month
Impact & Degradation Metrics
Service Degradation Hours
2.3h
Partial outage / degraded service
Customer Impacting Downtime
2.1h
Downtime affecting customers
Internal Impact Downtime
1.5h
Downtime affecting internal users
Downtime Incidents
6
Total downtime events this month
Calculated KPIs
Availability %
99.12%
Available time / total scheduled
Total Downtime Hours
7.6h
Sum of all downtime durations
Planned Downtime Hours
4.0h
Sum of planned downtime
Unplanned Downtime Hours
3.6h
Sum of unplanned downtime
Service Degradation Hours
2.3h
Sum of degraded service duration
Customer Impacting Downtime
2.1h
Downtime impacting customers
Internal Impact Downtime
1.5h
Downtime impacting internal users
Root Cause Frequency
4 types
Distinct root causes this month
Caused-by-System Frequency
5 systems
Distinct responsible systems
Availability Trend
Monthly system availability percentage vs 99.9% target — 8-month rolling view
Downtime Calendar — May 2026
Day-by-day availability status: planned downtime, unplanned outages, and service degradation
2h
2h
1.8h
1.2h
1.8h
Planned vs Unplanned Downtime
Monthly comparison of planned maintenance hours vs unplanned outage hours
Downtime by Root Cause
Total downtime hours attributed to each root cause category
Downtime by Caused-by System
Planned and unplanned downtime hours attributed to each responsible system
Customer vs Internal Impact Split
Monthly downtime hours split by customer-facing vs internal-only impact
Service Degradation Trend
Monthly service degradation hours vs 1.0h target threshold
Application Availability Heatmap
Monthly availability % per application — colour-coded RAG status (green ≥ 99.9%, yellow 99.0–99.5%, red < 98.0%)
| Application | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May |
|---|---|---|---|---|---|---|---|---|
| PayCore | 99.8% | 97.2% | 99.9% | 99.9% | 98.5% | 99.4% | 99.8% | 98.9% |
| AuthPortal | 99.9% | 99.1% | 99.9% | 99.9% | 99.6% | 99.8% | 99.9% | 99.5% |
| DataPipeline | 99.5% | 98.8% | 99.7% | 99.9% | 99.2% | 99.6% | 99.7% | 99.3% |
| NotifyService | 99.9% | 99.5% | 99.9% | 99.9% | 99.8% | 99.9% | 99.9% | 99.7% |
| SearchEngine | 99.7% | 99.3% | 99.8% | 99.9% | 99.4% | 99.7% | 99.8% | 99.6% |
| MobileApp | 99.6% | 98.4% | 99.5% | 99.8% | 98.9% | 99.1% | 99.5% | 99% |
| ReportHub | 99.9% | 99.7% | 99.9% | 99.9% | 99.8% | 99.9% | 99.9% | 99.8% |
| ControlTower | 99.9% | 99.9% | 99.9% | 99.9% | 99.9% | 99.9% | 99.9% | 99.9% |
Downtime Register
Full downtime log with system, date, start/end time, total hours, category, impact, root cause, caused-by system, and remarks
| ID | System | Date | Start | End | Total (h) | Category | Type | Impact | Root Cause | Caused By | Remarks |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT-001 | PayCore | 03 May 2026 | 02:00 | 04:00 | 2h | Down | Planned | Internal | Deployment Issue | Release Pipeline | Scheduled maintenance window |
| DT-002 | PayCore | 14 May 2026 | 11:22 | 13:08 | 1.8h | Down | Unplanned | Customer | Infrastructure Failure | PayCore DB Cluster | DB primary node failover |
| DT-003 | DataPipeline | 08 May 2026 | 01:00 | 03:00 | 2h | Down | Planned | Internal | Deployment Issue | Release Pipeline | Batch job upgrade window |
| DT-004 | MobileApp | 21 May 2026 | 09:15 | 10:27 | 1.2h | Service Degradation | Unplanned | Customer | Third-party Dependency | Push Notification API | FCM service degradation |
| DT-005 | AuthPortal | 28 May 2026 | 14:40 | 16:28 | 1.8h | Partial Outage | Unplanned | Customer | Configuration Error | AuthPortal | SSO config rollback required |
| DT-006 | NotifyService | 21 May 2026 | 10:30 | 11:36 | 1.1h | Service Degradation | Unplanned | Internal | Network Outage | Internal Network | Datacenter switch failure |
Calculated KPI Definitions
Formulas used to derive each availability and downtime metric
Availability %
Available Time ÷ Total Scheduled Time × 100
Total Downtime Hours
Sum of all downtime event durations
Planned Downtime Hours
Sum of planned maintenance downtime durations
Unplanned Downtime Hours
Sum of unplanned outage durations
Service Degradation Hours
Sum of partial outage / degraded service durations
Customer Impacting Downtime
Sum of downtime hours with customer impact
Internal Impact Downtime
Sum of downtime hours with internal-only impact
Root Cause Frequency
Count of downtime events grouped by root cause
Caused-by-System Frequency
Count of downtime events grouped by responsible system