Hi,
This may also be applicable to MySQL etc..
I have an MS-SQL database that dumps out a backup that's around 700MB in
size. BackupPC brought this over to its server via ADSL/VPN/Rsyncd
(422mins!) and when I did another data dump about 4 hours later, around 16Mb
of changes to the file were transferred very quickly. However, every single
backup since then has gone back to 422 minutes. I could imagine that the
database and dump will change over time, but it seems strange that the
entire file needs copying every time - as if its structure is always 100%
different from the previous.
I wondered if I was missing anything obvious (being a BackupPC noob) like
file time stamping causing a complete file transfer every day, or are
database dumps likely to be completely different every time?
I will keep some copies of the dumps and do some comparisons but in the
meantime any tips, thoughts etc.?
Thanks
Nigel Kendrick
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