RevolutionAnalytics / checkpoint

Install R packages from snapshots on checkpoint-server
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display MRAN snapshot space accounting on public web page #30

Closed cmosetick closed 10 years ago

cmosetick commented 10 years ago
cmosetick commented 10 years ago

currently available at: http://marmoset.revolutionanalytics.com/accounting.txt

will incorporate into crontab at the right moment in time

sckott commented 10 years ago

nice work

revodavid commented 10 years ago

Chris, how do I interpret the columns of that table? I'm guessing USED is the incremental storage needed for each snapshot?

cmosetick commented 10 years ago

@revodavid That is correct. The USED column indicates how much space a snapshot is currently using. The very top line, "raw usage", I added in to show that all historical archived versions of source packages, plus the current versions are using ~38.00GB at the moment. FYI - Originally the snapshots were just pulling down the current versions of packages, which is why there was a sudden, but still manageable jump in the size. For more info, this blog post attempts to explain snapshot space accounting in zfs: http://zfsblog.com/2013/04/understanding-zfs-disk-usage-snapshots/