Monetdb copy binary time varys very much!

integrity 357416268 at qq.com
Fri Jul 26 10:59:01 CEST 2013


------------------ Original ------------------
From:  "Martin Kersten"<Martin.Kersten at cwi.nl>;
Date:  Fri, Jul 26, 2013 04:46 PM
To:  "users-list"<users-list at monetdb.org>; 

Subject:  Re: Monetdb copy binary time varys very much!



Hi,
You should plot the times of each of your runs to see the trend.
This single run may be an outlier, which could come from anything
in your system environment. Even a seemingly harmless concurrent
program using significant memory could compete with MonetDB.

And indeed, at some point you will see disk IO.


regards, Martin
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