Subject Re: Re[2]: [firebird-support] gbak speed
Author Nick Upson
Hi Dmitry,

are you saying that I should remove localhost from the database connection
string to get faster performance? and that will work ok with other
processes running that do connect via localhost continuing to run at the
same time (this is a 24/7 system)?


On 11 April 2013 11:53, Dmitry Kuzmenko <kdv@...> wrote:

> Hello, André!
>
> Thursday, April 11, 2013, 2:42:01 PM, you wrote:
>
> >> How does this compare with the experience of others?
>
> AK> Hmmm. A quick calculation shows:
> AK> My biggest database is 1/74 of the size of yours.
> AK> I need ~5 Minutes to backup a freshly restored database, backup takes
> AK> longer if the restore is longer ago (up to 6.5 minutes).
>
> too slow. at my old desktop with Athlon 64 x2 5200 and 3 SATA II drives
> backup of 2.7GB database from one drive to another took from 3.5 to 5
> minutes, depending on protocol used.
> The fastest way to do backup is to use Services API,
> i.e. -se option of gbak. And, to use -g option of course.
>
> So, with worst 5 minutes result, 74/2.7 = 2 hours and 17 minutes.
>
> And, with the a bit modern hardware (but still desktop with several
> drives)
> restore of another database, 1.5GB backup size and 3.9gb
> resulting database also takes not more than 5 minutes,
> via -se.
> But, via localhost - around 1 hour.
>
> --
> Dmitry Kuzmenko, www.ib-aid.com
>
>
>
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>


--
Nick Upson, Telensa Ltd


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