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From e..@apache.org
Subject svn commit: r1398283 - in /accumulo/branches/1.4: ./ src/ src/core/ src/server/ src/server/src/main/java/org/apache/accumulo/server/tabletserver/ src/server/src/test/java/org/apache/accumulo/server/tabletserver/
Date Mon, 15 Oct 2012 13:28:25 GMT
Author: ecn
Date: Mon Oct 15 13:28:25 2012
New Revision: 1398283

URL: http://svn.apache.org/viewvc?rev=1398283&view=rev
Log:
ACCUMULO-774 merge to 1.4 branch

Added:
    accumulo/branches/1.4/src/server/src/main/java/org/apache/accumulo/server/tabletserver/SimpleLRUCache.java
      - copied unchanged from r1398282, accumulo/trunk/server/src/main/java/org/apache/accumulo/server/tabletserver/SimpleLRUCache.java
    accumulo/branches/1.4/src/server/src/test/java/org/apache/accumulo/server/tabletserver/SimpleLRUCacheTest.java
      - copied, changed from r1397990, accumulo/trunk/server/src/test/java/org/apache/accumulo/server/tabletserver/SimpleLRUCacheTest.java
Modified:
    accumulo/branches/1.4/   (props changed)
    accumulo/branches/1.4/src/   (props changed)
    accumulo/branches/1.4/src/core/   (props changed)
    accumulo/branches/1.4/src/server/   (props changed)
    accumulo/branches/1.4/src/server/src/main/java/org/apache/accumulo/server/tabletserver/TabletServer.java

Propchange: accumulo/branches/1.4/
------------------------------------------------------------------------------
  Merged /accumulo/trunk:r1397928,1397975,1397990

Propchange: accumulo/branches/1.4/src/
------------------------------------------------------------------------------
  Merged /accumulo/trunk/src:r1397928,1397975,1397990
  Merged /accumulo/trunk:r1397928,1397975,1397990,1398090

Propchange: accumulo/branches/1.4/src/core/
------------------------------------------------------------------------------
  Merged /accumulo/trunk/src/core:r1397928,1397975,1397990
  Merged /accumulo/trunk/core:r1397928,1397975,1397990,1398090

Propchange: accumulo/branches/1.4/src/server/
------------------------------------------------------------------------------
  Merged /accumulo/trunk/src/server:r1397928,1397975,1397990
  Merged /accumulo/trunk/server:r1397928,1397975,1397990,1398090

Modified: accumulo/branches/1.4/src/server/src/main/java/org/apache/accumulo/server/tabletserver/TabletServer.java
URL: http://svn.apache.org/viewvc/accumulo/branches/1.4/src/server/src/main/java/org/apache/accumulo/server/tabletserver/TabletServer.java?rev=1398283&r1=1398282&r2=1398283&view=diff
==============================================================================
--- accumulo/branches/1.4/src/server/src/main/java/org/apache/accumulo/server/tabletserver/TabletServer.java
(original)
+++ accumulo/branches/1.4/src/server/src/main/java/org/apache/accumulo/server/tabletserver/TabletServer.java
Mon Oct 15 13:28:25 2012
@@ -2258,8 +2258,10 @@ public class TabletServer extends Abstra
       if (t == null) {
         // Tablet has probably been recently unloaded: repeated master
         // unload request is crossing the successful unloaded message
-        log.info("told to unload tablet that was not being served " + extent);
-        enqueueMasterMessage(new TabletStatusMessage(TabletLoadState.UNLOAD_FAILURE_NOT_SERVING,
extent));
+        if (!recentlyUnloadedCache.contains(extent)) {
+          log.info("told to unload tablet that was not being served " + extent);
+          enqueueMasterMessage(new TabletStatusMessage(TabletLoadState.UNLOAD_FAILURE_NOT_SERVING,
extent));
+        }
         return;
       }
       
@@ -2279,6 +2281,7 @@ public class TabletServer extends Abstra
       
       // stop serving tablet - client will get not serving tablet
       // exceptions
+      recentlyUnloadedCache.add(extent);
       onlineTablets.remove(extent);
       
       try {
@@ -2501,6 +2504,7 @@ public class TabletServer extends Abstra
   private SortedMap<KeyExtent,Tablet> onlineTablets = Collections.synchronizedSortedMap(new
TreeMap<KeyExtent,Tablet>());
   private SortedSet<KeyExtent> unopenedTablets = Collections.synchronizedSortedSet(new
TreeSet<KeyExtent>());
   private SortedSet<KeyExtent> openingTablets = Collections.synchronizedSortedSet(new
TreeSet<KeyExtent>());
+  private Set<KeyExtent> recentlyUnloadedCache = Collections.synchronizedSet(new SimpleLRUCache<KeyExtent>(10));
   
   private Thread majorCompactorThread;
   

Copied: accumulo/branches/1.4/src/server/src/test/java/org/apache/accumulo/server/tabletserver/SimpleLRUCacheTest.java
(from r1397990, accumulo/trunk/server/src/test/java/org/apache/accumulo/server/tabletserver/SimpleLRUCacheTest.java)
URL: http://svn.apache.org/viewvc/accumulo/branches/1.4/src/server/src/test/java/org/apache/accumulo/server/tabletserver/SimpleLRUCacheTest.java?p2=accumulo/branches/1.4/src/server/src/test/java/org/apache/accumulo/server/tabletserver/SimpleLRUCacheTest.java&p1=accumulo/trunk/server/src/test/java/org/apache/accumulo/server/tabletserver/SimpleLRUCacheTest.java&r1=1397990&r2=1398283&rev=1398283&view=diff
==============================================================================
--- accumulo/trunk/server/src/test/java/org/apache/accumulo/server/tabletserver/SimpleLRUCacheTest.java
(original)
+++ accumulo/branches/1.4/src/server/src/test/java/org/apache/accumulo/server/tabletserver/SimpleLRUCacheTest.java
Mon Oct 15 13:28:25 2012
@@ -21,7 +21,7 @@ import static org.junit.Assert.*;
 import org.junit.Test;
 
 public class SimpleLRUCacheTest {
-  
+
   @Test
   public void test() {
     SimpleLRUCache<Integer> test = new SimpleLRUCache<Integer>(4);
@@ -34,5 +34,11 @@ public class SimpleLRUCacheTest {
     test.add(3);
     test.add(4);
     assertFalse(test.contains(0));
+    test.add(2);
+    test.add(2);
+    test.add(2);
+    test.add(2);
+    assertTrue(test.contains(3));
+    assertTrue(test.contains(4));
   }
 }



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