From: Lars Marowsky-Bree <lmb@suse.de>
To: Hans Reiser <reiser@namesys.com>
Cc: Reiserfs List <reiserfs-list@namesys.com>
Subject: Re: reiser4 data journalling?
Date: Wed, 3 Sep 2003 12:52:11 +0200 [thread overview]
Message-ID: <20030903105211.GC5762@marowsky-bree.de> (raw)
In-Reply-To: <3F55170E.1080603@namesys.com>
On 2003-09-03T02:17:50,
Hans Reiser <reiser@namesys.com> said:
> No, isolation is not yet implemented and won't be unless we come up with
> some more funding from somewhere. The txnmgr seems to be structured to
> handle isolation, but....
Ah, okay. Sorry, I think I had older plans in mind and hadn't checked
how far the current roadmap matched up to them ;-)
> The new thing with reiser4 is that if you do that write of 1MB to a
> file, and perhaps updates to 63 other files as well, as part of an atom,
> it will either all survive a crash, or none of it will. We have
> considered using the term "transcrash" for this.
So it's ACD and not ACID ;-) Sounds good. How is this weak transaction
exported to userspace, ie how do I signal BEGIN and COMMIT/ABORT?
Sincerely,
Lars Marowsky-Brée <lmb@suse.de>
--
High Availability & Clustering ever tried. ever failed. no matter.
SuSE Labs try again. fail again. fail better.
Research & Development, SuSE Linux AG -- Samuel Beckett
next prev parent reply other threads:[~2003-09-03 10:52 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-28 17:25 reiser4 data journalling? Tupshin Harper
2003-08-28 17:42 ` Nikita Danilov
2003-08-28 20:48 ` Hans Reiser
2003-08-29 0:18 ` Tom Vier
2003-08-29 0:21 ` Hans Reiser
2003-08-29 1:23 ` Mike Fedyk
2003-08-29 5:08 ` Oleg Drokin
2003-08-29 17:48 ` Hans Reiser
2003-08-29 18:15 ` Nikita Danilov
2003-08-29 18:17 ` Nikita Danilov
2003-08-29 21:43 ` Hans Reiser
2003-08-29 21:56 ` system_lists
2003-08-30 18:22 ` Andi Kleen
2003-09-02 22:21 ` Hans Reiser
2003-09-03 2:05 ` Tom Vier
2003-08-29 21:47 ` Hans Reiser
2003-08-29 13:12 ` Lars Marowsky-Bree
2003-09-02 22:17 ` Hans Reiser
2003-09-03 10:52 ` Lars Marowsky-Bree [this message]
2003-09-03 16:56 ` Hans Reiser
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