Author: kkolinko
Date: Sat Jan 21 10:41:41 2017
New Revision: 1779718

URL: http://svn.apache.org/viewvc?rev=1779718&view=rev
Log:
Fix https://bz.apache.org/bugzilla/show_bug.cgi?id=60596
Improve performance of DefaultServlet when sendfile feature is disabled on 
connector:
- Reorder checks so that im-memory checks are done first and I/O ones are done 
later.
- Remember calculated canonicalPath value.

Modified:
    tomcat/trunk/java/org/apache/catalina/servlets/DefaultServlet.java
    tomcat/trunk/webapps/docs/changelog.xml

Modified: tomcat/trunk/java/org/apache/catalina/servlets/DefaultServlet.java
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/servlets/DefaultServlet.java?rev=1779718&r1=1779717&r2=1779718&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/servlets/DefaultServlet.java 
(original)
+++ tomcat/trunk/java/org/apache/catalina/servlets/DefaultServlet.java Sat Jan 
21 10:41:41 2017
@@ -1873,14 +1873,16 @@ public class DefaultServlet extends Http
                                   HttpServletResponse response,
                                   WebResource resource,
                                   long length, Range range) {
+        String canonicalPath;
         if (sendfileSize > 0
-            && resource.isFile()
             && length > sendfileSize
-            && (resource.getCanonicalPath() != null)
             && 
(Boolean.TRUE.equals(request.getAttribute(Globals.SENDFILE_SUPPORTED_ATTR)))
             && 
(request.getClass().getName().equals("org.apache.catalina.connector.RequestFacade"))
-            && 
(response.getClass().getName().equals("org.apache.catalina.connector.ResponseFacade")))
 {
-            request.setAttribute(Globals.SENDFILE_FILENAME_ATTR, 
resource.getCanonicalPath());
+            && 
(response.getClass().getName().equals("org.apache.catalina.connector.ResponseFacade"))
+            && resource.isFile()
+            && ((canonicalPath = resource.getCanonicalPath()) != null)
+            ) {
+            request.setAttribute(Globals.SENDFILE_FILENAME_ATTR, 
canonicalPath);
             if (range == null) {
                 request.setAttribute(Globals.SENDFILE_FILE_START_ATTR, 
Long.valueOf(0L));
                 request.setAttribute(Globals.SENDFILE_FILE_END_ATTR, 
Long.valueOf(length));

Modified: tomcat/trunk/webapps/docs/changelog.xml
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/changelog.xml?rev=1779718&r1=1779717&r2=1779718&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/trunk/webapps/docs/changelog.xml Sat Jan 21 10:41:41 2017
@@ -45,6 +45,14 @@
   issues do not "pop up" wrt. others).
 -->
 <section name="Tomcat 9.0.0.M18 (markt)" rtext="in development">
+  <subsection name="Catalina">
+    <changelog>
+      <update>
+        <bug>60596</bug>: Improve performance of DefaultServlet when sendfile
+        feature is disabled on connector. (kkolinko)
+      </update>
+    </changelog>
+  </subsection>
   <subsection name="Coyote">
     <changelog>
       <fix>



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