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Add jvm memory runtime metrics #2272

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merged 8 commits into from
Jan 26, 2022
Merged

Add jvm memory runtime metrics #2272

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4ce9201
Add jvm memory runtime metrics
jack-berg Jan 18, 2022
befff43
Update specification/metrics/semantic_conventions/runtime-environment…
jack-berg Jan 18, 2022
7807f10
Require JVM attributes
jack-berg Jan 24, 2022
cd04553
Merge branch 'jvm-memory' of https://github.com/jack-berg/opentelemet…
jack-berg Jan 24, 2022
240215a
Fix formatting
jack-berg Jan 24, 2022
cfca3c4
Update specification/metrics/semantic_conventions/runtime-environment…
jack-berg Jan 25, 2022
f55c692
Add to changelog
jack-berg Jan 25, 2022
2696b25
Merge branch 'main' into jvm-memory
arminru Jan 26, 2022
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17 changes: 15 additions & 2 deletions specification/metrics/semantic_conventions/runtime-environment-metrics.md
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Expand Up @@ -55,5 +55,18 @@ consider, for example pthreads vs green thread implementations.

**Description:** Java Virtual Machine (JVM) metrics captured under `process.runtime.jvm.`

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| Name | Description | Units | Instrument Type | Value Type | Attribute Key | Attribute Values |
|------|-------------|-------|-----------------|------------|---------------|------------------|
| Name | Description | Unit | Unit ([UCUM](README.md#instrument-units)) | Instrument Type | Value Type | Attribute Key | Attribute Values |
|--------------------------------------|-------------------------------------|-------|-------------------------------------------|----------------------------|------------|---------------|------------------|
| process.runtime.jvm.memory.usage | Measure of memory used | Bytes | `By` | Asynchronous UpDownCounter | Int64 | type | heap, nonheap |
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| | | | | | | pool | Name of pool [1] |
| process.runtime.jvm.memory.init | Measure of initial memory requested | Bytes | `By` | Asynchronous UpDownCounter | Int64 | type | heap, nonheap |
| | | | | | | pool | Name of pool [1] |
| process.runtime.jvm.memory.committed | Measure of memory committed | Bytes | `By` | Asynchronous UpDownCounter | Int64 | type | heap, nonheap |
| | | | | | | pool | Name of pool [1] |
| process.runtime.jvm.memory.max | Measure of max obtainable memory | Bytes | `By` | Asynchronous UpDownCounter | Int64 | type | heap, nonheap |
| | | | | | | pool | Name of pool [1] |

**[1]**: Pool names are generally obtained
via [MemoryPoolMXBean#getName()](https://docs.oracle.com/en/java/javase/11/docs/api/java.management/java/lang/management/MemoryPoolMXBean.html#getName())
. Examples include `G1 Old Gen`, `G1 Eden space`, `G1 Survivor Space`
, `Metaspace`, etc.