[Gluster-users] georeplication on huge files
jkahn at idea11.com.au
Wed Jul 18 05:01:21 UTC 2012
It will do deltas if you change the same file, but not if you have a
From: Venky Shankar <vshankar at redhat.com>
Date: Wednesday, 18 July 2012 2:05 PM
To: "gluster-users at gluster.org" <gluster-users at gluster.org>
Subject: Re: [Gluster-users] georeplication on huge files
>On 07/18/2012 03:14 AM, Gandalf Corvotempesta wrote:
>> how does gluster perform on huge file georeplication like a VM disk
>> based image?
>> Let's assume a 150GB image on a single file. Does it replicate the whole
>> file every time, like rsync, or only differences will be replicated?
>AFAIK, Rsync does not blindly sync whole file. It uses rolling checksum
>algorithm to decide which blocks to sync.
>Geo replication relies on Rsync to sync file contents after it has
>identified that need synchronization.
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