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Zdenek Kotala wrote:
> Tom Lane wrote:
> > [ redirecting to -hackers for wider comment ]
> >
> > Zdenek Kotala <Zdenek.Kotala@Sun.COM> writes:
> >> Tom Lane wrote:
> >> LET_OS_MANAGE_FILESIZE is good way. I think one problem of this option I
> >> fixed. It is size of offset. I went thru the code and did not see any
> >> other problem there. However, how you mentioned it need more testing. I
> >> going to take server with large disk array and I will test it.
> >
> >> I would like to add --enable-largefile switch to configure file to
> >> enable access to wide group of users. What you think about it?
> >
> > Yeah, I was going to suggest the same thing --- but not with that switch
> > name. We already use enable/disable-largefile to control whether 64-bit
> > file access is built at all (this mostly affects pg_dump at the moment).
> >
> > I think the clearest way might be to flip the sense of the variable.
> > I never found "LET_OS_MANAGE_FILESIZE" to be a good name anyway. I'd
> > suggest "USE_SEGMENTED_FILES", which defaults to "on", and you can
> > turn it off via --disable-segmented-files if configure confirms your
> > OS has largefile support (thus you could not specify both this and
> > --disable-largefile).
> >
>
> There is latest version of nonsegment support patch. I changed
> LET_OS_MANAGE_FILESIZE to USE_SEGMENTED_FILES and I added
> -disable-segmented-files switch to configure. I kept tuplestore behavior
> and it still split file in both mode.
>
> I also little bit cleanup some other datatypes (e.g int->mode_t).
> Autoconf and autoheader must be run after patch application.
>
> I tested it with 9GB table and both mode works fine.
>
> Please, let me know your comments.
>
> Zdenek
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