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 NOVEMBER 18, 2019
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Oracle 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
***Checked for relevance on 22-May-2013***
Oracle is creating hundreds of thousands open file descriptors in /dev/shm (open files)
But there are only just hundreds of files in /dev/shm
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?
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