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Re: Question on memory management sysv/posix on Linux

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Daniel Westermann <daniel.westermann@xxxxxxxxxxxxxxxx> writes:
> ls -la /dev/shm 
> total 4 
> drwxrwxrwt 2 root root 60 Feb 17 11:19 . 
> drwxr-xr-x 18 root root 3100 Feb 17 09:36 .. 
> -rw------- 1 postgres postgres 2316 Feb 17 11:19 PostgreSQL.1804289383 

> Question: Why is this file only 2316 bytes? 

It holds a DSM control header, nothing more.  If you were actually doing
anything with dynamic shared memory, you'd see more such files.

			regards, tom lane


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