Re: Re: File system performance and pg_xlog (More info) - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Re: File system performance and pg_xlog (More info)
Date
Msg-id 200105071811.f47IBbu18509@candle.pha.pa.us
Whole thread Raw
In response to Re: File system performance and pg_xlog (More info)  (mlw <markw@mohawksoft.com>)
List pgsql-hackers
> Personally, I would fear a "pgfs." Writing a kernel component would be a bad
> idea. FAT has potential, but I don't think kernel developers put any serious
> thought into it, so I don't think it is a mission critical component in most
> cases. Just the behavior that I saw with FAT on SMP Linux, tells me to be
> careful.
> 
> Postgres is at the mercy of the file systems, WAL make it even more so. My gut
> tells me that this aspect of the project will refuse to be taken lightly.

From a portability standpoint, I think if we go anywhere, it would be to
write directly into device files representing sections of a disk.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
853-3000+  If your life is a hard drive,     |  830 Blythe Avenue +  Christ can be your backup.        |  Drexel Hill,
Pennsylvania19026
 


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