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PMH / cmmtalk-ye2000 / slide3.htm 

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    <TITLE>What you need shared caching for</TITLE>
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    <H2>What you need shared caching for</H2>
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      <TD>Process farm like Apache
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      <TD>Subsequent accesses requiring same data may be served by different processes, making non-shared cache less useful
  
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      <TD>If not shared, each process caches separately, using more memory/disk
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      <TD>Several different processes requiring access to same data
  
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      <TD>IOPP Electronic Journals has both of these
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