Release Notes
Announcements
Security Announcements
Title | Metric | Unit | Description |
CPU utilization | ProcessCpuLoad | % | Process CPU utilization |
CPU usage time | ProcessCpuTime | ms | Cumulative CPU usage time |
GC count | YGC | - | Young GC count |
| FGC | - | Full GC count |
GC time | GCT | s | Garbage collection time |
| FGCT | s | Full GC time |
| YGCT | s | Young GC time |
Memory zone proportion | O | % | Percentage of used Old memory |
| M | % | Percentage of used Metaspace memory |
| CCS | % | Percentage of used compressed class space memory |
| S0 | % | Percentage of used Survivor 0 memory |
| S1 | % | Percentage of used Survivor 1 memory |
| E | % | Percentage of used Eden memory |
JVM memory | MemHeapInitM | MB | Size of initial JVM HeapMemory |
| MemNonHeapInitM | MB | Size of initial JVM NonHeapMemory |
| MemHeapMaxM | MB | Size of HeapMemory configured by JVM |
| MemHeapCommittedM | MB | Size of HeapMemory currently committed by JVM |
| MemHeapUsedM | MB | Size of HeapMemory currently used by JVM |
| MemNonHeapCommittedM | MB | Size of NonHeapMemory currently committed by JVM |
| MemNonHeapUsedM | MB | Size of NonHeapMemory currently used by JVM |
File handles | OpenFileDescriptorCount | count/s | Number of opened file descriptors |
| MaxFileDescriptorCount | count/s | Maximum number of file descriptors |
Process execution duration | Uptime | s | Process execution duration |
Worker threads | PeakThreadCount | count/s | Peak number of threads |
| ThreadCount | count/s | Total number of threads |
| DaemonThreadCount | count/s | Number of Daemon threads |
Production traffic of Broker | OneMinuteRate | bytes/s | Rate of message production by the Broker per minute |
Consumption traffic of Broker | OneMinuteRate | bytes/s | Rate of message consumption by the Broker per minute |
Rejected consumption traffic | OneMinuteRate | bytes/s | Rate of Topic request rejection per minute |
Failed Fetch requests | OneMinuteRate | count/s | Rate of Fetch request failures per minute |
Failed Produce requests | OneMinuteRate | count/s | Rate of Produce request failures per minute |
Produced messages | OneMinuteRate | count/s | Rate of message production per minute |
Read traffic from other Brokers | OneMinuteRate | bytes/s | Amount of traffic read from other Brokers per minute |
Read traffic to other Brokers | OneMinuteRate | bytes/s | Amount of traffic read to other Brokers per minute |
Fetch requests | OneMinuteRate | count/s | Rate of Fetch requests per minute |
Produce requests | OneMinuteRate | count/s | Rate of Produce requests per minute |
ControllerBroker | IsControllerBroker | - | The metric value is 1 on the Broker where Controller is located and is 0 on other Brokers. |
LeaderElection rate | OneMinuteRate | count/s | Rate of LeaderElections per minute |
LeaderElection latencies | 99thPercentile | ms | The 99th percentile of LeaderElection latencies |
| | 999thPercentile | The 99.9th percentile of LeaderElection latencies |
| | Mean | Mean value of LeaderElection latencies |
UncleanLeaderElections rate | OneMinuteRate | count/s | Rate of UncleanLeaderElections per minute |
GlobalPartition count | GlobalPartitionCount | count/s | Number of global partitions observed by the controller |
OfflinePartitions count | OfflinePartitionCount | count/s | Number of offline partitions observed by the controller |
GlobalTopic count | GlobalTopicCount | count/s | Number of global topics observed by the controller |
Offline log directory count | OfflineLogDirectory | count/s | Number of offline log directories |
LogFlush rate | OneMinuteRate | calls/s | Rate of message log flush per minute |
LogFlush latencies | 99thPercentile | ms | The 99th percentile of LogFlush latencies |
| | 999thPercentile | The 99.9th percentile of LogFlush latencies |
| | Mean | Mean value of LogFlush latencies |
Average network processor idleness rate | NetworkProcessorAvgIdlePercent | - | Average idleness rate of threads in a network thread pool |
ISR expansion rate | OneMinuteRate | count/s | In-sync replica (ISR) expansion rate per minute |
ISR shrinkage rate | OneMinuteRate | count/s | ISR shrinkage rate per minute |
Replicas count | LeaderReplicaCount | count/s | Number of offline replicas |
| OfflineReplicaCount | count/s | Number of leader replicas |
Partitions count | PartitionCount | count | Number of partitions |
| | UnderMinIsrPartitionCount | Number of partitions under the minimum ISR count |
| | UnderReplicatedPartitions | Number of UnderReplicatedPartitions |
FetchConsumer request latencies | 99thPercentile | ms | The 99.9th percentile of FetchConsumer request latencies |
| | 999thPercentile | The 99.9th percentile of FetchConsumer request latencies |
| | Mean | Mean value of FetchConsumer request latencies |
FetchFollower request latencies | 99thPercentile | ms | The 99.9th percentile of FetchFollower request latencies |
| | 999thPercentile | The 99.9th percentile of FetchFollower request latencies |
| | Mean | Mean value of FetchFollower request latencies |
Produce request latency | 99thPercentile | ms | The 99.9th percentile of Produce request latencies |
| | 999thPercentile | The 99.9th percentile of Produce request latencies |
| | Mean | Mean value of Produce request latencies |
Size of the request queue | RequestQueueSize | size | Size of the request queue |
Purgatory size | Fetch | size | Number of requests waiting in fetch purgatory |
| Produce | - | Number of requests waiting in producer purgatory |
Average request handler idleness rate | OneMinuteRate | - | Idleness rate of request handlers per minute |
ZooKeeper request latencies | 99thPercentile | ms | The 99th percentile of ZooKeeper request latencies |
| | 999thPercentile | The 99.9th percentile of ZooKeeper request latencies |
| | Mean | Mean value of ZooKeeper request latencies |
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