<div id="docs-body">
 <div class="section">
  <div class="titlepage">
   <div>
    <div>
     <h3 class="title">
      <a name="mysql-cluster-limitations">
      </a>
      25.2.7 Known Limitations of NDB Cluster
     </h3>
    </div>
   </div>
  </div>
  <div class="toc">
   <dl class="toc">
    <dt>
     <span class="section">
      <a href="mysql-cluster-limitations-syntax.html">
       25.2.7.1 Noncompliance with SQL Syntax in NDB Cluster
      </a>
     </span>
    </dt>
    <dt>
     <span class="section">
      <a href="mysql-cluster-limitations-limits.html">
       25.2.7.2 Limits and Differences of NDB Cluster from Standard MySQL Limits
      </a>
     </span>
    </dt>
    <dt>
     <span class="section">
      <a href="mysql-cluster-limitations-transactions.html">
       25.2.7.3 Limits Relating to Transaction Handling in NDB Cluster
      </a>
     </span>
    </dt>
    <dt>
     <span class="section">
      <a href="mysql-cluster-limitations-error-handling.html">
       25.2.7.4 NDB Cluster Error Handling
      </a>
     </span>
    </dt>
    <dt>
     <span class="section">
      <a href="mysql-cluster-limitations-database-objects.html">
       25.2.7.5 Limits Associated with Database Objects in NDB Cluster
      </a>
     </span>
    </dt>
    <dt>
     <span class="section">
      <a href="mysql-cluster-limitations-unsupported.html">
       25.2.7.6 Unsupported or Missing Features in NDB Cluster
      </a>
     </span>
    </dt>
    <dt>
     <span class="section">
      <a href="mysql-cluster-limitations-performance.html">
       25.2.7.7 Limitations Relating to Performance in NDB Cluster
      </a>
     </span>
    </dt>
    <dt>
     <span class="section">
      <a href="mysql-cluster-limitations-exclusive-to-cluster.html">
       25.2.7.8 Issues Exclusive to NDB Cluster
      </a>
     </span>
    </dt>
    <dt>
     <span class="section">
      <a href="mysql-cluster-limitations-disk-data.html">
       25.2.7.9 Limitations Relating to NDB Cluster Disk Data Storage
      </a>
     </span>
    </dt>
    <dt>
     <span class="section">
      <a href="mysql-cluster-limitations-multiple-nodes.html">
       25.2.7.10 Limitations Relating to Multiple NDB Cluster Nodes
      </a>
     </span>
    </dt>
    <dt>
     <span class="section">
      <a href="mysql-cluster-limitations-resolved.html">
       25.2.7.11 Previous NDB Cluster Issues Resolved in NDB Cluster 8.4
      </a>
     </span>
    </dt>
   </dl>
  </div>
  <a class="indexterm" name="idm46045123675120">
  </a>
  <a class="indexterm" name="idm46045123674048">
  </a>
  <p>
   In the sections that follow, we discuss known limitations in
      current releases of NDB Cluster as compared with the features
      available when using the
   <code class="literal">
    MyISAM
   </code>
   and
   <code class="literal">
    InnoDB
   </code>
   storage engines. If you check the
   <span class="quote">
    “
    <span class="quote">
     Cluster
    </span>
    ”
   </span>
   category in the MySQL bugs database at
   <a class="ulink" href="http://bugs.mysql.com" target="_blank">
    http://bugs.mysql.com
   </a>
   , you can find known bugs in
      the following categories under
   <span class="quote">
    “
    <span class="quote">
     MySQL Server:
    </span>
    ”
   </span>
   in the
      MySQL bugs database at
   <a class="ulink" href="http://bugs.mysql.com" target="_blank">
    http://bugs.mysql.com
   </a>
   , which
      we intend to correct in upcoming releases of NDB Cluster:
  </p>
  <div class="itemizedlist">
   <ul class="itemizedlist" style="list-style-type: disc; ">
    <li class="listitem">
     <p>
      NDB Cluster
     </p>
    </li>
    <li class="listitem">
     <p>
      Cluster Direct API (NDBAPI)
     </p>
    </li>
    <li class="listitem">
     <p>
      Cluster Disk Data
     </p>
    </li>
    <li class="listitem">
     <p>
      Cluster Replication
     </p>
    </li>
    <li class="listitem">
     <p>
      ClusterJ
     </p>
    </li>
   </ul>
  </div>
  <p>
   This information is intended to be complete with respect to the
      conditions just set forth. You can report any discrepancies that
      you encounter to the MySQL bugs database using the instructions
      given in
   <a class="xref" href="bug-reports.html" title="1.6 How to Report Bugs or Problems">
    Section 1.6, “How to Report Bugs or Problems”
   </a>
   . Any problem which we do
      not plan to fix in NDB Cluster 8.4, is added to the
      list.
  </p>
  <p>
   See
   <a class="xref" href="mysql-cluster-limitations-resolved.html" title="25.2.7.11 Previous NDB Cluster Issues Resolved in NDB Cluster 8.4">
    Section 25.2.7.11, “Previous NDB Cluster Issues Resolved in NDB Cluster 8.4”
   </a>
   for a
      list of issues in earlier releases that have been resolved in NDB
      Cluster 8.4.
  </p>
  <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
   <div class="admon-title">
    Note
   </div>
   <p>
    Limitations and other issues specific to NDB Cluster Replication
        are described in
    <a class="xref" href="mysql-cluster-replication-issues.html" title="25.7.3 Known Issues in NDB Cluster Replication">
     Section 25.7.3, “Known Issues in NDB Cluster Replication”
    </a>
    .
   </p>
  </div>
 </div>
 <br/>
</div>
