SAP Knowledge Base Article - Preview

2996297 - High CPU and memory usage by csh processes

Symptom

The csh processes use a high amount of memory and CPU, for example:

 server1:/home/xyzadm # ps aux | grep csh
 xyzadm 31205 93.7 8.8 1467928 1458104 pts/1 S+ 09:37 1:18 -csh

 The CPU load can be over 90% on the process, memory usage can increase over time to multiple GBs.

 The issue only happens with the csh shells of a single user.

 Logins of the user will take a very long time, over a minute in some cases.


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Environment

Linux (any distribution)

User is configured with csh shell

Keywords

csh, shell, shell history, .history, sidadm , KBA , BC-OP-LNX , Linux , Problem

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