Re: [Storagesync] Storagesync Digest, Vol 5, Issue 1
Ted Lemon <mellon@fugue.com> Mon, 07 December 2015 03:40 UTC
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From: Ted Lemon <mellon@fugue.com>
To: fsong@bjtu.edu.cn
In-Reply-To: <2015120711170621874681@bjtu.edu.cn>
References: <20151204181110.GA2418@localhost.localdomain> <1449255654746-36498631-5591108f-793d865a@fugue.com> <8F085EBA-F6A4-4FBD-8B8E-1F9AE114FD05@unterwaditzer.net> <CAO_YpraJsDKbOXD9MdxHqeAYTMoiZFyViHX+P2PtD=9hpRz9MQ@mail.gmail.com> <20151206173646.GA6290@localhost.localdomain> <1449447450498-61af5a96-1c461047-3019ac1e@gmail.com> <20151207002020.GA5002@localhost.localdomain> <1449448362292-7d42d496-109559e8-4177b3f9@gmail.com> <20151207003810.GA24130@localhost.localdomain> <1449449404474-72724227-c54ecf87-7d18f3b0@gmail.com> <20151207005426.GA29483@localhost.localdomain> <CAO_YpramyzAZ8hS6aphmBNw2FiKTpesb9uW7uGHtjRH_YkPAJg@mail.gmail.com> <1449452139832-4f314827-a7ecd596-c5312339@fugue.com> <1449454580239-1fd59d90-52f0231b-370f2ef5@gmail.com,> <1449455245871-cb7e86e1-1a0160c5-aa6acce3@fugue.com> <2015120711170621874681@bjtu.edu.cn>
Date: Mon, 07 Dec 2015 03:40:15 +0000
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Subject: Re: [Storagesync] Storagesync Digest, Vol 5, Issue 1
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Sunday, Dec 6, 2015 10:17 PM Fei Song wrote: > Can we just treat the requests sent by peer B and peer C based on their timestamps (arriving at the server). > If the file must be kept as the same version, different modification reports can be generated independently with FCFS mode. > If this can not be finished automatically, a human intervention will be needed. No, this doesn't work even if you don't care about wiping out changes. Think about this sequence: 0: File F is at version 0 1: Client A syncs to server 2: Client B syncs to server 3: File f changed on Client A -> Version 0.A 4: File f changed on Client B -> Version 0.B 5: Client B syncs to server, updating file F to version 0.B, modified time = 4 6: Client A syncs to server: what happens? a: File updated to version 0.A, modified time=3 b: Server overwrites version 0.A with version 0.B, changes in 0.A lost c: Conflict resolution combines versions 0.A and 0.B, producing version 1, mod time=6 I think C is the only right answer. We want conflict resolution to be automatic whenever possible, but we do want to do conflict resolution, and not just wipe out changes, because those changes may contain real work that the user on client A did. -- Sent from Whiteout Mail - https://whiteout.io My PGP key: https://keys.whiteout.io/mellon@fugue.com
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Hugo González Labrador
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Hugo González Labrador
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Hugo González Labrador
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Michiel de Jong
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Hugo González Labrador
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Hugo González Labrador
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Michiel de Jong
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Michiel de Jong
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… fsong
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… fsong
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… fsong
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Michiel de Jong
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… fsong
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… fsong
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… fsong
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… François Kooman
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Hugo González Labrador
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Michiel de Jong
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Hugo González Labrador
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… François Kooman
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… François Kooman
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Markus Unterwaditzer
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Jakub Moscicki
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Markus Unterwaditzer
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Markus Unterwaditzer
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Hugo González Labrador
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Markus Unterwaditzer
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Hugo González Labrador
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Sebastian Kippe
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Markus Unterwaditzer
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Markus Unterwaditzer
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Markus Unterwaditzer
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Markus Unterwaditzer
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Markus Unterwaditzer
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Markus Unterwaditzer
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Markus Unterwaditzer
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Markus Unterwaditzer
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- [Storagesync] Fw: Re: Storagesync Digest, Vol 5, … Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- [Storagesync] 回复: Re: Storagesync Digest, Vol 5, … Fei Song
- Re: [Storagesync] 回复: Storagesync Digest, Vol 5, … Ted Lemon
- [Storagesync] 回复: Re: 回复: Storagesync Digest, Vol… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Markus Unterwaditzer
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Markus Unterwaditzer
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Markus Unterwaditzer
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Markus Unterwaditzer
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Jakub Moscicki
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Marc Blanchet
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Klaas Freitag
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Jakub Moscicki
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Ted Lemon
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Linhui Sun
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Jakub Moscicki
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song
- Re: [Storagesync] Storagesync Digest, Vol 5, Issu… Fei Song