Apache Kafka
There are no Apache Kafka specific configuration metrics supported. All configuration metrics are inherited from parent entities as listed below.
Table 1-8 Supported Configuration Metrics for Hosted Target
| Metric Group | Name | Unit | Description |
|---|---|---|---|
| Resource Allocation | Total CPUs | N/A | Total number of CPUs allocated or available to the entity |
| Resource Allocation | Total Memory | GB | Total amount of usable Physical RAM allocated or available to the entity |
Table 1-9 Supported Status and Performance Metrics for Apache Kafka
| Metric Group | Category | Name | Unit | Description |
|---|---|---|---|---|
| Kafka Broker Performance | Load | Leader Election Rate | per sec | Rate of electing a leader from in-sync replicas pool |
| Kafka Broker Performance | Load | Unclean Leader Election Rate | per sec | Rate of leader election from out-of-sync replicas pool |
| Kafka Broker Performance | Load | Offline Partitions | NA | Number of partitions without any leader |
| Kafka Broker Performance | Load | Active Controllers | NA | Active Controllers in a cluster |
| Kafka Broker Performance | Load | Data In Rate | bytes/sec | Amount of data passed into Kafka |
| Kafka Broker Performance | Load | Data Out Rate | bytes/sec | Amount of data passed out of Kafka |
| Kafka Broker Performance | Load | Messages In Rate | msgs/sec | Amount of message data passed into Kafka |
| Kafka Broker Performance | Load | ISR Expands Rate | per sec | Rate of in-sync replicas going high |
| Kafka Broker Performance | Load | ISR Shrink Rate | per sec | Rate of in-sync replicas going low |
| Kafka Broker Performance | Load | Unreplicated Partitions | NA | Number of partitions without in-sync replicas |
| Kafka Broker Performance | Load | Fetch Follower Response Rate | per sec | Rate of serving the request by followers |
| Kafka Broker Performance | Load | Fetch Request Purgatory Size | NA | Number of fetch requests waiting to be satisfied |
| Kafka Broker Performance | Load | Produce Request Purgatory Size | NA | Number of produce requests waiting to be satisfied |
| Kafka Broker Performance | Load | Follower Delayed Fetch Request Rate | per sec | Rate of delay in fetching requests due to failure of followers |
| Kafka Producers Performance (Deprecated) | Load | Producers Response Rate | per sec | Rate of serving requests by producer |
| Kafka Producers Performance (Deprecated) | Load | Delayed Produce Request Rate | per sec | Rate of delay in producing requests due to failure of producers |
| Kafka Consumers Performance (Deprecated) | Load | Consumers Response Rate | per sec | Rate of fetching requests by consumers |
| Kafka Consumers Performance (Deprecated) | Load | Delayed Fetch Request Rate | per sec | Rate of delay in fetching requests due to failure of consumers |
Table 1-10 Supported Status and Performance Metrics for Hosted Target
| Metric Group | Category | Name | Unit | Description |
|---|---|---|---|---|
| CPU | Utilization | CPU Usage | sec | All CPUs usage during the interval |
| CPU | N/A | CPU Utilization | % | Percentage of CPU that was utilized |
| CPU | N/A | Interval | sec | Interval of metric collection |
| Memory | Load | Memory Usage | GB | Memory used in GB |
| Memory | Utilization | Memory Utilization | % | Percentage of memory that is utilized |
| Memory | N/A | Interval | sec | Interval of metric collection |