Database Startup Fails With Error: Memlock Limit too Small: % to Accommodate Segment Size: %
(Doc ID 1511239.1)
Last updated on JANUARY 29, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 10.1.0.2 and laterOracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Linux x86-64
Symptoms
Startup of the database fails with 'Memlock limit too small: % to accommodate segment size: %'.
E.g. next errors are reported in the alert log:
Starting ORACLE instance (normal)
Memlock limit too small: 32768 to accommodate segment size: 4194304
Memlock limit too small: 32768 to accommodate segment size: 75497472
Memlock limit too small: 32768 to accommodate segment size: 113246208
...
Memlock limit too small: 32768 to accommodate segment size: 4194304
Memlock limit too small: 32768 to accommodate segment size: 75497472
Memlock limit too small: 32768 to accommodate segment size: 113246208
...
The reported 32768 bytes match the value of memlock limit as shown by ulimit:
Note that no other instances have been started and this instance can be started when decreasing the size of the database.
Cause
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Cause |
Solution |