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Posted to dev@tomcat.apache.org by ma...@apache.org on 2015/01/29 10:29:36 UTC

svn commit: r1655559 - in /tomcat/tc8.0.x/trunk: ./ java/org/apache/catalina/ java/org/apache/catalina/core/ java/org/apache/catalina/webresources/

Author: markt
Date: Thu Jan 29 09:29:35 2015
New Revision: 1655559

URL: http://svn.apache.org/r1655559
Log:
Separate out the gc process from the background process so gc() can be called independently.

Modified:
    tomcat/tc8.0.x/trunk/   (props changed)
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/WebResourceRoot.java
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/WebResourceSet.java
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/StandardContext.java
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/AbstractArchiveResourceSet.java
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/AbstractFileResourceSet.java
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/EmptyResourceSet.java
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/StandardRoot.java

Propchange: tomcat/tc8.0.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Thu Jan 29 09:29:35 2015
@@ -1 +1 @@
-/tomcat/trunk:1636524,1637156,1637176,1637188,1637331,1637684,1637695,1638720-1638725,1639653,1640010,1640083-1640084,1640088,1640275,1640322,1640347,1640361,1640365,1640403,1640410,1640652,1640655-1640658,1640688,1640700-1640883,1640903,1640976,1640978,1641000,1641026,1641038-1641039,1641051-1641052,1641058,1641064,1641300,1641369,1641374,1641380,1641486,1641634,1641656-1641692,1641704,1641707-1641718,1641720-1641722,1641735,1641981,1642233,1642280,1642554,1642564,1642595,1642606,1642668,1642679,1642697,1642699,1642766,1643002,1643045,1643054-1643055,1643066,1643121,1643128,1643206,1643209-1643210,1643216,1643249,1643270,1643283,1643309-1643310,1643323,1643365-1643366,1643370-1643371,1643465,1643474,1643536,1643570,1643634,1643649,1643651,1643654,1643675,1643731,1643733-1643734,1643761,1643766,1643814,1643937,1643963,1644017,1644169,1644201-1644203,1644321,1644323,1644516,1644523,1644529,1644535,1644730,1644768,1644784-1644785,1644790,1644793,1644815,1644884,1644886,1644890,1644892
 ,1644910,1644924,1644929-1644930,1644935,1644989,1645011,1645247,1645355,1645357-1645358,1645455,1645465,1645469,1645471,1645473,1645475,1645486-1645488,1645626,1645641,1645685,1645743,1645763,1645951-1645953,1645955,1645993,1646098-1646106,1646178,1646220,1646302,1646304,1646420,1646470-1646471,1646476,1646559,1646717-1646723,1646773,1647026,1647042,1647530,1647655,1648304,1648815,1648907,1650081,1650365,1651116,1651120,1651280,1651470,1652938,1652970,1653041,1653471,1653550,1653574,1653797,1653815-1653816,1653819,1653840,1653857,1653888,1653972,1654013,1654030,1654050,1654123,1654148,1654159,1654513,1654515,1654517,1654522,1654524,1654725,1654735,1654766,1654785,1654851-1654852,1654978,1655122-1655124,1655126-1655127,1655129-1655130,1655132-1655133,1655312,1655438,1655441,1655454
+/tomcat/trunk:1636524,1637156,1637176,1637188,1637331,1637684,1637695,1638720-1638725,1639653,1640010,1640083-1640084,1640088,1640275,1640322,1640347,1640361,1640365,1640403,1640410,1640652,1640655-1640658,1640688,1640700-1640883,1640903,1640976,1640978,1641000,1641026,1641038-1641039,1641051-1641052,1641058,1641064,1641300,1641369,1641374,1641380,1641486,1641634,1641656-1641692,1641704,1641707-1641718,1641720-1641722,1641735,1641981,1642233,1642280,1642554,1642564,1642595,1642606,1642668,1642679,1642697,1642699,1642766,1643002,1643045,1643054-1643055,1643066,1643121,1643128,1643206,1643209-1643210,1643216,1643249,1643270,1643283,1643309-1643310,1643323,1643365-1643366,1643370-1643371,1643465,1643474,1643536,1643570,1643634,1643649,1643651,1643654,1643675,1643731,1643733-1643734,1643761,1643766,1643814,1643937,1643963,1644017,1644169,1644201-1644203,1644321,1644323,1644516,1644523,1644529,1644535,1644730,1644768,1644784-1644785,1644790,1644793,1644815,1644884,1644886,1644890,1644892
 ,1644910,1644924,1644929-1644930,1644935,1644989,1645011,1645247,1645355,1645357-1645358,1645455,1645465,1645469,1645471,1645473,1645475,1645486-1645488,1645626,1645641,1645685,1645743,1645763,1645951-1645953,1645955,1645993,1646098-1646106,1646178,1646220,1646302,1646304,1646420,1646470-1646471,1646476,1646559,1646717-1646723,1646773,1647026,1647042,1647530,1647655,1648304,1648815,1648907,1650081,1650365,1651116,1651120,1651280,1651470,1652938,1652970,1653041,1653471,1653550,1653574,1653797,1653815-1653816,1653819,1653840,1653857,1653888,1653972,1654013,1654030,1654050,1654123,1654148,1654159,1654513,1654515,1654517,1654522,1654524,1654725,1654735,1654766,1654785,1654851-1654852,1654978,1655122-1655124,1655126-1655127,1655129-1655130,1655132-1655133,1655312,1655438,1655441,1655454,1655558

Modified: tomcat/tc8.0.x/trunk/java/org/apache/catalina/WebResourceRoot.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/WebResourceRoot.java?rev=1655559&r1=1655558&r2=1655559&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/WebResourceRoot.java (original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/WebResourceRoot.java Thu Jan 29 09:29:35 2015
@@ -407,6 +407,12 @@ public interface WebResourceRoot extends
      */
     List<URL> getBaseUrls();
 
+    /**
+     * Implementations may cache some information to improve performance. This
+     * method triggers the clean-up of those resources.
+     */
+    void gc();
+
     static enum ResourceSetType {
         PRE,
         RESOURCE_JAR,

Modified: tomcat/tc8.0.x/trunk/java/org/apache/catalina/WebResourceSet.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/WebResourceSet.java?rev=1655559&r1=1655558&r2=1655559&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/WebResourceSet.java (original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/WebResourceSet.java Thu Jan 29 09:29:35 2015
@@ -147,8 +147,8 @@ public interface WebResourceSet extends
     boolean isReadOnly();
 
     /**
-     * Hook to allow the WebResourceRoot to trigger regular tasks on this set of
-     * resources.
+     * Implementations may cache some information to improve performance. This
+     * method triggers the clean-up of those resources.
      */
-    void backgroundProcess();
+    void gc();
 }

Modified: tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/StandardContext.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/StandardContext.java?rev=1655559&r1=1655558&r2=1655559&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/StandardContext.java (original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/StandardContext.java Thu Jan 29 09:29:35 2015
@@ -5217,11 +5217,10 @@ public class StandardContext extends Con
         }
 
         // The WebResources implementation caches references to JAR files. On
-        // some platforms these references may lock the JAR files. The
-        // WebResources implementaion cleans-up unused JAR file references every
-        // run of background processing but since web application start is
-        // likely to have read from lots of JARs, trigger a clean-up now.
-        getResources().backgroundProcess();
+        // some platforms these references may lock the JAR files. Since web
+        // application start is likely to have read from lots of JARs, trigger
+        // a clean-up now.
+        getResources().gc();
 
         // Reinitializing if something went wrong
         if (!ok) {

Modified: tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/AbstractArchiveResourceSet.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/AbstractArchiveResourceSet.java?rev=1655559&r1=1655558&r2=1655559&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/AbstractArchiveResourceSet.java (original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/AbstractArchiveResourceSet.java Thu Jan 29 09:29:35 2015
@@ -294,7 +294,7 @@ public abstract class AbstractArchiveRes
     }
 
     @Override
-    public void backgroundProcess() {
+    public void gc() {
         synchronized (archiveLock) {
             if (archive != null && archiveUseCount == 0) {
                 try {

Modified: tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/AbstractFileResourceSet.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/AbstractFileResourceSet.java?rev=1655559&r1=1655558&r2=1655559&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/AbstractFileResourceSet.java (original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/AbstractFileResourceSet.java Thu Jan 29 09:29:35 2015
@@ -132,7 +132,7 @@ public abstract class AbstractFileResour
      * This is a NO-OP by default for File based resource sets.
      */
     @Override
-    public void backgroundProcess() {
+    public void gc() {
         // NO-OP
     }
 

Modified: tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/EmptyResourceSet.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/EmptyResourceSet.java?rev=1655559&r1=1655558&r2=1655559&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/EmptyResourceSet.java (original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/EmptyResourceSet.java Thu Jan 29 09:29:35 2015
@@ -153,7 +153,7 @@ public class EmptyResourceSet extends Li
     }
 
     @Override
-    public void backgroundProcess() {
+    public void gc() {
         // NO-OP
     }
 

Modified: tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/StandardRoot.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/StandardRoot.java?rev=1655559&r1=1655558&r2=1655559&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/StandardRoot.java (original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/webresources/StandardRoot.java Thu Jan 29 09:29:35 2015
@@ -593,14 +593,20 @@ public class StandardRoot extends Lifecy
     @Override
     public void backgroundProcess() {
         cache.backgroundProcess();
+        gc();
+    }
+
+
+
+    @Override
+    public void gc() {
         for (List<WebResourceSet> list : allResources) {
             for (WebResourceSet webResourceSet : list) {
-                webResourceSet.backgroundProcess();
+                webResourceSet.gc();
             }
         }
     }
 
-
     @Override
     public void registerTrackedResource(TrackedWebResource trackedResource) {
         trackedResources.add(trackedResource);



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