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Database stops abnormally after showing the error (10839)

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TitleDatabase stops abnormally after showing the error (10839)
URL NameDatabase-stops-abnormally-after-showing-the-error-10839
Article Number000184093
EnvironmentProduct: OpenEdge
Version: 10.x, 11.x, 12.x
OS: Linux
Question/Problem Description
Database stops abnormally after showing the error (10839).
Steps to Reproduce
Clarifying Information
Error MessageSYSTEM ERROR: Unable to get value semaphore set : semid = 0, errno =22 . (10839)
Defect Number
Enhancement Number
There are insufficient  semaphore identifiers.
Increase the kernel SEMMNI parameter.


For Linux kernel versions later than 2.4 the current values are found under /proc/sys/kernel.
To read the current values: 
# cat /proc/sys/kernel/sem 
Semaphores can be dynamically changed:
$   echo 500 32000 200 2048 > /proc/sys/kernel/sem
  • SEMMNI is the last number in the chain (2048).
To make the change permanent add the change to the file /etc/sysctl.conf file which is used during the boot process:
$   echo "kernel.sem=500 32000 200 2048" >> /etc/sysctl.conf
Last Modified Date11/25/2021 11:36 AM
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