arg, of course i forgot the reference to the rolling hash info...
here it is:
0: https://en.wikipedia.org/wiki/Rolling_hash
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hi,
it seems there are some misunderstandings as how the backup actually
works, i'll try to clear that up
On 11/20/20 8:18 AM, Carsten Härle wrote:
Yes, that is how the current variable sized chunking algorithm works.
...
"zfs diff" does not provide the information needed for our deduplicati
>>Yes, that is how the current variable sized chunking algorithm works.
...
"zfs diff" does not provide the information needed for our deduplication
algorithm, so we cannot use that.
<<
1) Can you please outline the algorithm?
2) Why you think, it is not possible to use the changed information
> Container backup is very slow compared to VM backup. I have a 500 GB
> container (sftp server) with minimal changing files, but even the incremental
> bakcups take 2 hours with heavy disk activity. Almost nothing is transfered
> to the backup server. It seems that it it reads the whole conta
Container backup is very slow compared to VM backup. I have a 500 GB container
(sftp server) with minimal changing files, but even the incremental bakcups
take 2 hours with heavy disk activity. Almost nothing is transfered to the
backup server. It seems that it it reads the whole container every
