Title | Metric Name | Metric Unit | Metric Meaning |
GC count | YGC | count | Young GC count |
| FGC | count | Full GC count |
GC time | FGCT | s | Time consumed by Full GC |
| GCT | s | Time used to collect garbage |
| YGCT | s | Time consumed by Young GC |
Memory zone proportion | S0 | % | Percentage of used Survivor 0 memory |
| E | % | Percentage of used Eden memory |
| CCS | % | Percentage of memory used by compressed class space |
| S1 | % | Percentage of used Survivor 1 memory |
| O | % | Percentage of used Old memory |
| M | % | Percentage of used Metaspace memory |
JVM Memory | MemNonHeapUsedM | MB | Size of non-heap memory used by the process |
| MemNonHeapCommittedM | MB | Size of non-heap memory committed by the process |
| MemHeapUsedM | MB | Size of heap memory used by the process |
| MemHeapCommittedM | MB | Size of heap memory committed by the process |
| MemHeapMaxM | MB | Maximum size of heap memory for process |
| MemMaxM | MB | Maximum memory size for process |
Heap memory usage rate | MemHeapUsedRate | % | Proportion of heap memory usage |
Title | Metric Name | Metric Unit | Metric Meaning |
Channel capacity | Capacity | count | Channel capacity |
Number of events Source attempts to write to the channel | Count | count | Difference between two consecutive collection cycles within the interval time; the number of events Source attempts to write to the channel |
Number of events Source successfully writes to the channel | Count | count | Difference between two consecutive collection cycles within the interval time; the number of events Source successfully writes to the channel |
Number of events Sink attempts to pull from the channel | Count | count | Difference between two consecutive collection cycles within the interval time; the number of events Sink attempts to pull from the channel |
Number of events Sink successfully reads from the channel | Count | count | Difference between two consecutive collection cycles within the interval time; the total number of events Sink successfully reads from the channel |
Percentage of Channel filled | Percentage | % | Percentage of Channel filled |
Total number of events in the current channel | Size | count | Total number of events in the current channel |
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