Why Does Oracle Create So Many Open File Descriptors in /dev/shm on Linux When memory_target is Set ?
(Doc ID 1321306.1)
Last updated on FEBRUARY 24, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 11.1.0.7 and laterOracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Linux x86
Linux x86-64
Goal
Oracle is creating hundreds of thousands open file descriptors in /dev/shm (open files)
1. Why is Oracle keeping hundreds of thousands Open File descriptors in /dev/shm while there are just hundreds of files ?
2. Is this a known issue? ( any notes/documents/bug reports/fixes exist).
3. Or is this expected behavior of oracle?
Solution
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In this Document
Goal |
Solution |
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