ry Latency</a>
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  <li data-type="sect2">
    <a href="ch17.html#index_latency">Index Latency</a>
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  <li data-type="sect1">
    <a href="ch17.html#googleapostrophes_implementation">Google’s Implementation</a>
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    <a href="ch17.html#search_index">Search Index</a>
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    <a href="ch17.html#ranking">Ranking</a>
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    <a href="ch17.html#selected_trade-offs">Se