Re: OID/XID allocation (was Re: is PG able to handle a >500 GB Da tabase?)

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> > Added to TODO:
> >
> >   * Move OID retrieval into shared memory to prevent lose of
> > unused oids
>
> Already implemented. But - up to 8192 oids may be lost in the event
> of crash (ie without normal database shutdown when last fetched oid
> is logged to WAL).

TODO updated.


> > Also, currently the oid can _not_ be used to determine the order rows
> > were inserted because one backend can grab its block of 50 and another
> > backend can start and insert a row first.
>
> Backends don't grab block of oids anymore.
>
> > If we could change this with litle risk, it would be nice to have in
> > 7.1, but I am sure someone will object.  :-)
>
> Too late to object -:))
> I had to make this changes for WAL. BTW, pg_variable is not used anymore
> but still in schema - have to remove it someday.

Added to TODO:

    * Remove unused pg_variable table

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