[APM] Show accurate metrics for containerized applications (#76768)

* adding cgroup fields * calculate the memory based on the cgroup fields otherwise use the system fields * updating script * adding api tests * using cgroup fields on service map * addressing PR comment * fixing unit test * fixing test * changing api tests to use snapshot * removing inactive_files from calculation * fixing test * refactoring painless script * addressing PR comment * addressing pr comments Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
elastic · Sep 17, 2020 · 2cac7cf · 2cac7cf
1 parent fa36528
commit 2cac7cf
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diff --git a/x-pack/plugins/apm/common/__snapshots__/elasticsearch_fieldnames.test.ts.snap b/x-pack/plugins/apm/common/__snapshots__/elasticsearch_fieldnames.test.ts.snap
diff --git a/x-pack/plugins/apm/common/elasticsearch_fieldnames.ts b/x-pack/plugins/apm/common/elasticsearch_fieldnames.ts
@@ -79,6 +79,10 @@ export const METRIC_SYSTEM_FREE_MEMORY = 'system.memory.actual.free';
 export const METRIC_SYSTEM_TOTAL_MEMORY = 'system.memory.total';
 export const METRIC_SYSTEM_CPU_PERCENT = 'system.cpu.total.norm.pct';
 export const METRIC_PROCESS_CPU_PERCENT = 'system.process.cpu.total.norm.pct';
+export const METRIC_CGROUP_MEMORY_LIMIT_BYTES =
+  'system.process.cgroup.memory.mem.limit.bytes';
+export const METRIC_CGROUP_MEMORY_USAGE_BYTES =
+  'system.process.cgroup.memory.mem.usage.bytes';
 
 export const METRIC_JAVA_HEAP_MEMORY_MAX = 'jvm.memory.heap.max';
 export const METRIC_JAVA_HEAP_MEMORY_COMMITTED = 'jvm.memory.heap.committed';