Re: rsync replacement

2007-07-17 Thread Jamie Lokier
Andreas Kotes wrote: seems like they've implemented something similiar TCP on top of UDP which does a seriously better job (the information they provide points in that direction). Shame they don't give it to the public for free, like they got TCP, UDP, IP, DNS, SMTP, HTTP, ... ... ...

DO NOT REPLY [Bug 4531] symlinks updating doesn't work properly during updates

2007-07-17 Thread samba-bugs
https://bugzilla.samba.org/show_bug.cgi?id=4531 --- Comment #4 from [EMAIL PROTECTED] 2007-07-17 06:31 CST --- (In reply to comment #3) Symlinks are not affected by the --update option. This option just affects file transfers. I understand the implementation problems that has

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2007-07-17 Thread james . dishongh
James Dishongh is not available. Please forward any issues to [EMAIL PROTECTED], or call 360-567-0469. Thank you, Net-Rx Support Team -- To unsubscribe or change options: https://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html

Re: rsync replacement

2007-07-17 Thread Mike Jackson
Jamie, We are not claiming superiority, just that we provide performance gains over TCP when going over wan or congested networks. In-fact, we have a ftp server set up in Singapore if you would like to compare our technology to your ftp solution. you can find the client download on our

Re: rsync replacement

2007-07-17 Thread Jamie Lokier
Mike Jackson wrote: We are not claiming superiority, just that we provide performance gains over TCP when going over wan or congested networks. In-fact, we have a ftp server set up in Singapore if you would like to compare our technology to your ftp solution. you can find

Re: rsync replacement

2007-07-17 Thread Matt McCutchen
On 7/17/07, Jamie Lokier [EMAIL PROTECTED] wrote: So am I right in thinking that using rsync in conjunction with your tunnelling product as the underlying transport might give better performance for incremental file transfers than your current client? As I understand it, there are three

Re: rsync replacement

2007-07-17 Thread Jamie Lokier
Matt McCutchen wrote: Thus, syncdat gets #2 and #3 but (it seems) not #1. Rsync running on a TCP-over-MTP tunnel would get #1 and #2 but not #3. To get all three benefits, we would need to make a program that has both delta transmission like rsync and a parallelized protocol like syncdat and

Re: rsync replacement

2007-07-17 Thread Matt McCutchen
On 7/17/07, Jamie Lokier [EMAIL PROTECTED] wrote: I am in fact working towards such a program, though not with proprietary congestion control. :-) It's currently in the form of a distributed database of 650 devices, which I aim to scale up to internet numbers, and I'm very interested in

Re: rsync replacement

2007-07-17 Thread Charles Marcus
Matt McCutchen, on 7/17/2007 2:50 PM, said the following: On 7/17/07, Jamie Lokier [EMAIL PROTECTED] wrote: I am in fact working towards such a program, though not with proprietary congestion control. :-) It's currently in the form of a distributed database of 650 devices, which I aim to scale

does the incremental rsync algorithm save on storage?

2007-07-17 Thread Noah Leaman
From what I understand, the incremental rsync algorithm saves on network bandwidth, but does rsync then just merge that delta data to end up with the new version and full sized file on the destination filesystem? I have these Microsoft Entourage databases files that modified often and can be

Re: (Rsync 3.0) acls for OS X

2007-07-17 Thread Wayne Davison
On Tue, Jul 17, 2007 at 03:36:10PM -0400, Warren Oates wrote: What's the status of acl support for OS X? What needs to be done? What is needed is working ACL functions. The posix ones are broken (e.g. acl_get_entry() has completely wrong return values), and even if I work around that, I can't

Re: does the incremental rsync algorithm save on storage?

2007-07-17 Thread Matt McCutchen
On 7/17/07, Noah Leaman [EMAIL PROTECTED] wrote: From what I understand, the incremental rsync algorithm saves on network bandwidth, but does rsync then just merge that delta data to end up with the new version and full sized file on the destination filesystem? Correct. I have these

Re: rsync replacement

2007-07-17 Thread Jason Haar
Jamie Lokier wrote: Check out the TCP: advanced congestion control option in a 2.6 Linux kernel, and there is plenty of research on the topic. See SCTP and DSCP (among others) for the more transaction oriented side. Hi there Jamie Like yourself, our WAN (VPN over Internet) suffers majorly

Re: does the incremental rsync algorithm save on storage?

2007-07-17 Thread Wayne Davison
On Tue, Jul 17, 2007 at 07:27:51PM -0400, Matt McCutchen wrote: I can't think of an easy way to produce a chain of forward deltas. A chain of forward deltas requires an extra copy of the backup data. So, you'd need a start point, an end point, and the deltas would be generated while updating the