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To: linux-btrfs@vger.kernel.org
From: Kai Krakow <hurikhan77@gmail.com>
Subject: Re: Btrfs performance with small blocksize on SSD
Date: Sun, 24 Sep 2017 22:39:55 +0200
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Am Sun, 24 Sep 2017 19:43:05 +0300
schrieb Andrei Borzenkov <arvidjaar@gmail.com>:

> 24.09.2017 16:53, Fuhrmann, Carsten пишет:
> > Hello,
> > 
> > 1)
> > I used direct write (no page cache) but I didn't disable the Disk
> > cache of the HDD/SSD itself. In all tests I wrote 1GB and looked
> > for the runtime of that write process.  
> 
> So "latency" on your diagram means total time to write 1GiB file? That
> is highly unusual meaning for "latency" which normally means time to
> perform single IO. If so, you should better rename Y-axis to something
> like "total run time".

If you look closely it says "Laufzeit" which visually looks similar to
"latency" but really means "run time". ;-)


-- 
Regards,
Kai

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