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Troubleshooting High Memory Utilization on Exadata Cell Servers (Doc ID 2630285.1)

Last updated on AUGUST 12, 2020

Applies to:

Oracle Exadata Storage Server Software
Linux x86-64

Purpose

 The purpose of this document is to help troubleshoot high memory utilization on an Exadata storage server(s).

Troubleshooting Steps

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In this Document
Purpose
Troubleshooting Steps
 Symptoms of Cell Memory Over-Utilization
 Was My Passthru Due to Low Cell Memory?
 Identifying Where Cell Server Memory is Utilized
 Cellsrv Memory is High
 Cellsrv Diagnostics
 Cellsrv Workaround
 Offload Server Memory is High
 Offload Server Known Issues
 Offload Server Diagnostics
 Offload Server Workaround
 Shared Memory Continuously Grows
 Slab Memory is High
 RDS Memory is High
 RDS Memory Known Issues
 RDS Diagnostics
 Kernel Memory Workaround
 Out of 1MB Buffers
 Recommended Minimum Cell Image Versions If Encountering Cell Memory Issues
References

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