Re: [ext3][kernels >= 2.6.20.7 at least] KDE going comatose when FS is under heavy write load (massive starvation)

Manoj Joseph
2007-04-27T20:55:52Z

Linus Torvalds wrote:
>
> On Fri, 27 Apr 2007, Andreas Dilger wrote:
>> It's true that this is a "feature" of ext3 with data=ordered (the default),
>> but I suspect the same thing is now true in reiserfs too.
>
> Oh, well.. Journalling sucks.

Go back to ext2? ;)

> I was actually _really_ hoping that somebody would come along and tell
> everybody that this whole journal-logging is stupid, and that it's just
> better to not ever re-write blocks on disk, but instead write to new
> blocks with version numbers (and not re-use old blocks until new versions
> are stable on disk).

Ah, "copy on write"! ZFS (Sun) and WAFL (NetApp) does this. Don't know
about WAFL, but ZFS does logging too.

-Manoj

--
Manoj Joseph