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Oracle Linux: Large Number of Directory Blocks in Oracle DB Trace Directory Causes System to be Slow or Oracle Clusterware Node to be Rebooted (Doc ID 2942787.1)

Last updated on SEPTEMBER 06, 2023

Applies to:

Linux OS - Version Oracle Linux 7.1 and later
Linux x86-64

Symptoms

Files that are being opened and created under large number of directory blocks of /u01/app/oracle/diag/rdbms/<oracledb>/<ORADB1>/trace directory will be blocked. The following stack trace will be shown in /var/log/messages. The task is blocked because it is unable to acquire the directory lock which is implemented in read-write semaphore in Linux kernel.There could be many tasks blocked in such a way

 

Cause

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In this Document
Symptoms
Cause
Solution
References


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