\documentclass[german,plainarticle,utf8]{standalone}
\usepackage{pgfplots}
\usepgfplotslibrary{dateplot}
\usepackage{tikz}
\usepackage{pgfplotstable}
\pgfplotsset{/pgf/number format/use comma}

\begin{document}
\begin{tikzpicture}
  \begin{axis}[
      title=Lesen,
      width=15cm, height=10cm,
      xlabel={Dateigr\"{o}{\ss}e [KiB]},
      xmode=log, log basis x=2,
      ylabel={Record-Gr\"{o}{\ss}e [KiB]},
      ymode=log, log basis y=2,
      zlabel={\"{U}bertragungsgeschwindigkeit [KiB/s]},
      zmax=120000
    ]
    \addplot3 [patch, patch table={iozone-nfs-read.out}] table {iozone-nfs-read};
  \end{axis}
\end{tikzpicture}
\end{document}

