Re: Re: File system performance and pg_xlog (More info)

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: mlw <markw(at)mohawksoft(dot)com>
Cc: Hackers List <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Re: File system performance and pg_xlog (More info)
Date: 2001-05-07 18:11:37
Message-ID: 200105071811.f47IBbu18509@candle.pha.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: 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(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Bruce Momjian 2001-05-07 18:38:50 Re: Re: XFS File systems and PostgreSQL
Previous Message Bruce Momjian 2001-05-07 18:06:43 Re: Lisp as procedural language