Last change
on this file since 2523 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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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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