On Tue, Sep 18, 2012 at 1:14 PM, Timothy J Massey <tmassey AT obscorp DOT com> 
wrote:
>
> I have just performed some full backups on a host after disabling
> compression.  Results:
>
> Not-first backup with compression:  139.9 minutes for 70000.6 MB
> First backup without compression:  76.7 minutes for 70181.5 MB.
> Second backup without compression:  36.6 minutes for 70187.4 MB.
>
> Wow:  Four times the performance.  Looks like compression is a
> *significant* performance-eater.

Can you repeat those the 3rd time with checksum-caching enabled so we
have a better idea of how much time that saves?  (If you didn't have
it on already, you'd need to repeat again to store them first)

-- 
  Les Mikesell
     lesmikesell AT gmail DOT com

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