Brackup stats proposal

[Gavin Carr]

I've had one positive comment (offlist?). Barring objections I'm
likely to go ahead and add this in. We can tweak/change/rip out
later if required, I guess.

Please speak up if you have opinion/thoughts.

Cheers,
Gavin


On Fri, Nov 07, 2008 at 09:12:15PM +1100, Gavin Carr wrote:
> Brackup trunk has a stats placeholder as a todo list item. I've
> gone ahead and implemented some stats for my use that look like
> this:
> 
>   BACKUPS STATS:
> 
>   Start Time:                           Fri Nov  7 00:15:03 2008
>   End Time:                             Fri Nov  7 00:58:02 2008
>   File Discovery Time:                  240s
>   Chunk Iterator Time:                  0s
>   Chunk Storage Time:                   2327s
>   Metafile Storage Time:                12s
>   Total Run Time:                       2579s
> 
>   Post File Discovery Memory Usage:     352.7 MB
>   Post Chunk Iterator Memory Usage:     363.8 MB
>   Post Chunk Storage Memory Usage:      1354.0 MB
>   Post Metafile Storage Memory Usage:   1549.1 MB
>   Peak Memory Usage:                    1549.1 MB
> 
>   Number of Files                       297048
>   Total File Size                       1302044.0 MB
>   Number of Files Uploaded:             535
>   Total File Size Uploaded:             31654.1 MB
>   Run Arguments:                        --from=exportp --to=mercury_ftp_exportp --save-stats --gtop-stats
> 
> That basically covers some timing stats, some memory usage measurements
> (via gtop), and some file and size counts. I've added a --save-stats
> option which records the output to a .stats file with the same name and
> location as the .brackup file produced.
> 
> So some questions:
> 
> - are people interested in this as a first pass at some stats?
> 
> - what have I missed that people would like to see included (and Brad,
>   what were you envisaging including here?)
> 
> - any general suggestions / comments / critiques on this?
> 
> Cheers,
> Gavin
>