[mythtv-users] zap2it - rsync updates?
gull at gull.us
Tue Oct 24 04:18:35 UTC 2006
Brad DerManouelian wrote:
> I quite like the idea of using rsync to make sure the *entire*
> schedule is updated every day while using less bandwidth than it's
> using currently for 2 full days of data. You'll be downloading 1 full
> day, then just changes to every day which likely amounts to very
> little compared to what's already stored. This is how my company
> delivers changes to large databases to its customers. We haven't seen
> any issues in several years and our bandwidth is very reasonable.
Bandwidth usage is low with rsync, but as you've probably noticed, CPU
and disk usage are considerable. Among other things, it essentially
requires two passes through the data, one to determine what to send, and
one to actually send it.
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