Cloud Platform Performance Monitoring
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To effectively monitor interworks.cloud Platform performance and understand platform usage impact on actual performance as well as end-user experience, it is imperative to collect and maintain metrics and key performance indicators (KPIs) from all platform server components.
Basic Server (infrastructure) performance counters
These counters apply to both the database server and the web/application servers (BSS and Storefront servers)
CPU usage
Memory consumption
I/O traffic (Read/Write IOPS)
- I/O latency
- Disk space
Application/Web Server performance counters
The following metrics can help identify potential bottlenecks
Metric | Description | Type |
| Response time | Average web request response time | Application Insights (average) |
| Requests | Total web requests | Application Insights (count) |
| Failed Requests | Total failed web requests | Application Insights (count) |
Availability | Application availability (downtime) | Application Insights (percentage) |
| Incoming Requests | Request Rate | Request Duration | Request Failure Rate | Application Insights (Live Metrics) |
| Outgoing Requests | Dependency Call Rate | Dependency Call Duration | Dependency Call Failure Rate | Application Insights (Live Metrics) |
| Windows services availability | Uptime of platform related windows services | Monitoring agent |
Database Server performance counters
Metric | Description | Notes |
| Processes Blocked | The processes blocked counter identifies the number of blocked processes | 0 or close to 0 at all times |
| Lock Waits / Sec | The lock waits per second counter tracks the number of times per second that SQL Server is not able to retain a lock right away for a resource | 0 or close to 0 at all times |
| Access Methods – Pages Splits / Sec | This counter measures the number of times SQL Server had to split a page when updating or inserting data per second | Below the 20% of Batch Requests/sec |
| Access Methods – Forwarded Records / Sec | Forwarded Records/sec shows how fragmented the heaps are | Below 10% of the Batch Requests/Sec |
| Buffer Cache Hit Ratio | The buffer cache hit ratio counter represents how often SQL Server is able to find data pages in its buffer cache when a query needs a data page | Above 90% |
| Page Life Expectancy | The page life expectancy counter measures how long pages stay in the buffer cache in seconds | Above 300 seconds |
| Checkpoint Pages / Sec | The checkpoint pages per second counter measures the number of pages written to disk by a checkpoint operation | Depending on established baseline |
| Batch Requests / Sec | Batch Requests/Sec measures the number of batches SQL Server is receiving per second | There is no recommended value. A high number denotes a busy system (i.e.: over 1000 Batches / Sec) |
| SQL Compilations / Sec | The SQL Compilations/Sec measure the number of times SQL Server compiles an execution plan per second | Below 10% of the Batch Requests/sec |
| SQL Re-Compilations / Sec | The Re-compilations/Sec counter measures the number of time a re-compile event was triggered per second | Below 10% of the number of Compilations/Sec |
| Deadlocks/sec | Measures the number of deadlocks occurring per second | |
| User connections | The number of users connected to the SQL Server |