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Cluster Health Monitor (CHM/OS) osysmond.bin High Resource (CPU, Memory and FD etc) Usage (Doc ID 1554116.1)

Last updated on FEBRUARY 20, 2019

Applies to:

Oracle Database - Enterprise Edition
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Purpose

This note lists known issues that are related to high OS resource (CPU, memory, thread, file descriptor and network connection) consumption by the Oracle Grid Infrastructure osysmond.bin process. For cluster nodes that are up and running for a very long time, osysmond.bin consumption may exhaust memory and swap space which could result in node eviction or other stability issue. 

Details

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In this Document
Purpose
Details
 Bug 13987807 - osysmond.bin high CPU usage on AIX if there's large amount of disks
 Bug 13924431 - osysmond.bin high CPU usage on Solaris
 Bug 15809335 - osysmond.bin high memory usage on Solaris
 Bug 15920201 - osysmond.bin high CPU and memory consumption if ASM is not configured
 Bug 16281442 - memory leaking in kfod API
 Bug 15998768 - osysmond.bin high CPU and memory consumption
 Bug 15934834 - osysmond.bin high CLOSE_WAIT connection
 Bug 16901346 - osysmond.bin high CPU with on systems with high open files
References

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