Elastic MapReduce
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DocumentationElastic MapReduce EMR on CVM Operation GuideMonitoring and AlarmsMonitoring MetricsSpark Monitoring Metrics
Spark Monitoring Metrics
Last updated: 2023-12-27 14:49:54
Spark - history server
Title | Metric | Unit | Description |
GC count | YGC | - | Young GC count |
| FGC | - | Full GC count |
GC time | FGCT | s | Full GC time |
| GCT | s | Garbage collection time |
| YGCT | s | Young GC time |
Memory zone proportion | S0 | % | Percentage of used Survivor 0 memory |
| E | % | Percentage of used Eden memory |
| CCS | % | Percentage of used compressed class space memory |
| S1 | % | Percentage of used Survivor 1 memory |
| O | % | Percentage of used Old memory |
| M | % | Percentage of used Metaspace memory |
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