update faq

git-svn-id: https://svn.code.sf.net/p/jackcess/code/jackcess/trunk@613 f203690c-595d-4dc9-a70b-905162fa7fd2

1 files changed, 16 insertions, 8 deletions

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@@ -143,14 +143,22 @@
       <question>Why is jackcess so slow for large updates?</question>
       <answer>
         <p>
-          While there is much room for improvement in update speed, one factor
-          is whether or not all writes are automatically forced to disk.  By
-          default, "autoSync" is enabled, which keeps the database file in a
-          more consistent state, but can be very slow for large updates.
-          Disabling "autoSync" can dramatically increase update speed, but
-          exceptions during update can leave the file in an unusable state.
-          So, modifying this option essentially trades off speed for
-          recoverability.
+          In general, the focus of Jackcess is functionality, not speed.
+          However, one major speed factor is whether or not all writes are
+          automatically forced to disk.  By default, "autoSync" is enabled,
+          which keeps the database file in a more consistent state, but can be
+          very slow for large updates.  Disabling "autoSync" can dramatically
+          increase update speed, but exceptions during update can leave the
+          file in an unusable state (when disabled, you can call <a href="apidocs/com/healthmarketscience/jackcess/Database.html#flush()">Database.flush()</a> manually to force updates to disk).  Modifying this option essentially
+          trades off speed for recoverability.
+        </p>
+        <p>
+          Additionally, <a href ="apidocs/com/healthmarketscience/jackcess/Table.html#addRows(java.util.List)">adding rows in batches</a> instead of one at a time can
+          increase insert speed.
+        </p>
+        <p>
+          Finally, always make sure you are using the <a href="https://sourceforge.net/projects/jackcess/files/latest/download">latest release</a>, as speed
+          improvements are happening periodically.
         </p>
       </answer>
     </faq>