EM 13c: Enterprise Manager 13.1 Cloud Control OMS Host Alerts for the Memory Utilization (%) Metric, but more Memory is Available
(Doc ID 2148885.1)
Last updated on MARCH 30, 2019
Applies to:
Enterprise Manager Base Platform - Version 13.1.1.0.0 to 13.1.1.0.0 [Release 13c]Information in this document applies to any platform.
Symptoms
Enterprise Manager (EM) 13.1 Cloud Control shows that the EM 13c OMS host at 98% memory utilization, resulting in a memory Utilization metric alert. However, the operating system still shows more memory than that is available:
cat /proc/meminfo
MemTotal: 20396228 kB (used as realMem)
.
.
.
Active: 13483724 kB (used as activeMem)
The Host Memory Utilization Percentage Calculation in Enterprise Manager Cloud Control:
<Document 1908853.1> The Host Memory Utilization Percentage Calculation in Enterprise Manager Cloud Control
This EM 12c formula is still in use in EM 13c:
Memory Utilization (%) = (100.0 * (activeMem) / realMem)
Applying this formula shows Memory Utilization (%) is measuring 66.1%
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |