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es_jvm_mem_heap_used_bytes reporting wrong values #357

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dimitriskourlos085 opened this issue May 17, 2024 · 0 comments
Open

es_jvm_mem_heap_used_bytes reporting wrong values #357

dimitriskourlos085 opened this issue May 17, 2024 · 0 comments

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@dimitriskourlos085
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Different values reported from es_jvm_mem_heap_used_bytes metric in prometheus , and different values reported from ES node console.

Elastic Search Version: 7.17.3

Java version
openjdk version "1.8.0_402"
OpenJDK Runtime Environment (build 1.8.0_402-b06)
OpenJDK 64-Bit Server VM (build 25.402-b06, mixed mode)

Prometheus scrape interval: 30s
Elastic Search interval: 10s

Elastic Search console indicates that heap memory used is 6.22 GB.
ccaelastic1-jvm

Checking the values from Grafana , indicates the heap memory used is 5 GB.
Screenshot from 2024-05-17 12-13-10
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