Last change
on this file since 2641 was
1648,
checked in by ezyang, 14 years ago
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Add cluedump slide sources to Subversion.
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File size:
756 bytes
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Rev | Line | |
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[1648] | 1 | \subsection{LVS} |
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| 2 | |
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| 3 | \begin{frame} |
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| 4 | \frametitle{Linux Virtual Server} |
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| 5 | \begin{itemize} |
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| 6 | \item Provides high availability and load balancing |
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| 7 | \item {\tt heartbeat} provides failover between LVS ``directors'' |
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| 8 | \item {\tt ldirectord} keeps track of online scripts servers and chooses destination server for each request |
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| 9 | \end{itemize} |
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| 10 | \end{frame} |
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| 11 | |
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| 12 | \begin{frame} |
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| 13 | \frametitle{Load Balancing} |
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| 14 | \begin{itemize} |
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| 15 | \item Users are assigned to scripts servers based on IP |
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| 16 | \item Works around bugs in scripts that assume a single web server |
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| 17 | \end{itemize} |
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| 18 | \begin{center} |
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| 19 | \only<1>{\includegraphics[width=3in] {Aggregated-cps_www-year.png}} |
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| 20 | \only<2>{\includegraphics[width=3in] {Aggregated-cps_www-year-clip.png}} |
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| 21 | \end{center} |
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| 22 | \end{frame} |
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