Re: [HACKERS] Anyone understand shared-memory space usage?

Does the bottom of the backend flowchart help?


> It used to be that Postgres' shared memory was sized on the basis of
> the hard-wired MaxBackendId constant.  I have altered things so that
> it is sized on the basis of the actual -N switch given to the postmaster
> at postmaster start time.  This makes it a lot easier to stress the
> algorithm ;-), and what I find is that it ain't too robust.


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