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      17.4 InnoDB Architecture
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  <p>
   The following diagram shows in-memory and on-disk structures that
      comprise the
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    InnoDB
   </code>
   storage engine
      architecture. For information about each structure, see
   <a class="xref" href="innodb-in-memory-structures.html" title="17.5 InnoDB In-Memory Structures">
    Section 17.5, “InnoDB In-Memory Structures”
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   , and
   <a class="xref" href="innodb-on-disk-structures.html" title="17.6 InnoDB On-Disk Structures">
    Section 17.6, “InnoDB On-Disk Structures”
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   .
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    <b>
     Figure 17.1 InnoDB Architecture
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     <img alt="InnoDB architecture diagram showing in-memory and on-disk structures. In-memory structures include the buffer pool, adaptive hash index, change buffer, and log buffer. On-disk structures include tablespaces, redo logs, and doublewrite buffer files." src="images/innodb-architecture-8-0.png" style="width: 100%; max-width: 856px;"/>
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