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Posted to oak-commits@jackrabbit.apache.org by ba...@apache.org on 2016/09/27 12:01:52 UTC

svn commit: r1762461 - in /jackrabbit/oak/branches/1.4: ./ oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/Checkpoints.java oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CheckpointsTest.java

Author: baedke
Date: Tue Sep 27 12:01:52 2016
New Revision: 1762461

URL: http://svn.apache.org/viewvc?rev=1762461&view=rev
Log:
OAK-4552: Checkpoints.getOldestRevisionToKeep() returns newest valid revision

Implement fix, enable test and update existing tests to match expectations. 

Modified:
    jackrabbit/oak/branches/1.4/   (props changed)
    jackrabbit/oak/branches/1.4/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/Checkpoints.java
    jackrabbit/oak/branches/1.4/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CheckpointsTest.java

Propchange: jackrabbit/oak/branches/1.4/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Sep 27 12:01:52 2016
@@ -1,3 +1,3 @@
 /jackrabbit/oak/branches/1.0:1665962
-/jackrabbit/oak/trunk:1733615,1733875,1733913,1733929,1734230,1734254,1734279,1734941,1735052,1735081,1735141,1735267,1735405,1735484,1735549,1735564,1735588,1735622,1735638,1735919,1735983,1736176,1737309-1737310,1737334,1737349,1737998,1738004,1738136,1738138,1738207,1738234,1738252,1738775,1738795,1738833,1738950,1738957,1738963,1739712,1739760,1739867,1739894,1739959-1739960,1740114,1740116,1740250,1740333,1740360,1740625-1740626,1740774,1740837,1740971,1741016,1741032,1741339,1741343,1742077,1742117,1742363,1742520,1742888,1742916,1743097,1743172,1743343,1743674,1744265,1744292,1744589,1744670,1744672,1744959,1745038,1745127,1745197,1745336,1745368,1746086,1746117,1746342,1746345,1746408,1746696,1746981,1747198,1747200,1747341-1747342,1747380,1747387,1747406,1747492,1747512,1747654,1748505,1748553,1748722,1748870,1749275,1749350,1749464,1749475,1749645,1749662,1749815,1749872,1749875,1749899,1750052,1750076-1750077,1750287,1750457,1750462,1750465,1750495,1750626,1750809,1750886
 ,1751410,1751445-1751446,1751478,1751755,1751871,1752198,1752202,1752273-1752274,1752438,1752447,1752508,1752616,1752659,1752672,1753262,1753331-1753332,1753355,1753444,1754117,1754239,1755157,1756520,1756580,1757119,1757166,1759433,1760340,1760373,1760387,1760661-1760662,1761412,1761444,1761571,1761762,1761787
+/jackrabbit/oak/trunk:1733615,1733875,1733913,1733929,1734230,1734254,1734279,1734941,1735052,1735081,1735141,1735267,1735405,1735484,1735549,1735564,1735588,1735622,1735638,1735919,1735983,1736176,1737309-1737310,1737334,1737349,1737998,1738004,1738136,1738138,1738207,1738234,1738252,1738775,1738795,1738833,1738950,1738957,1738963,1739712,1739760,1739867,1739894,1739959-1739960,1740114,1740116,1740250,1740333,1740360,1740625-1740626,1740774,1740837,1740971,1741016,1741032,1741339,1741343,1742077,1742117,1742363,1742520,1742888,1742916,1743097,1743172,1743343,1743674,1744265,1744292,1744589,1744670,1744672,1744959,1745038,1745127,1745197,1745336,1745368,1746086,1746117,1746342,1746345,1746408,1746696,1746981,1747198,1747200,1747341-1747342,1747380,1747387,1747406,1747492,1747512,1747654,1748505,1748553,1748722,1748870,1749275,1749350,1749464,1749475,1749645,1749662,1749815,1749872,1749875,1749899,1750052,1750076-1750077,1750287,1750457,1750462,1750465,1750495,1750626,1750809,1750886
 ,1751410,1751445-1751446,1751478,1751755,1751871,1752198,1752202,1752259,1752273-1752274,1752283,1752438,1752447,1752508,1752616,1752659,1752672,1753262,1753331-1753332,1753355,1753444,1754117,1754239,1755157,1756520,1756580,1757119,1757166,1759433,1760340,1760373,1760387,1760661-1760662,1761412,1761444,1761571,1761762,1761787
 /jackrabbit/trunk:1345480

Modified: jackrabbit/oak/branches/1.4/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/Checkpoints.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.4/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/Checkpoints.java?rev=1762461&r1=1762460&r2=1762461&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.4/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/Checkpoints.java (original)
+++ jackrabbit/oak/branches/1.4/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/Checkpoints.java Tue Sep 27 12:01:52 2016
@@ -33,6 +33,7 @@ import org.apache.jackrabbit.oak.commons
 import org.apache.jackrabbit.oak.commons.json.JsopReader;
 import org.apache.jackrabbit.oak.commons.json.JsopTokenizer;
 import org.apache.jackrabbit.oak.commons.json.JsopWriter;
+import org.apache.jackrabbit.oak.plugins.document.util.Utils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -128,15 +129,18 @@ class Checkpoints {
         final long currentTime = nodeStore.getClock().getTime();
         UpdateOp op = new UpdateOp(ID, false);
         Revision lastAliveRevision = null;
-        long oldestExpiryTime = 0;
 
         for (Map.Entry<Revision, Info> e : checkpoints.entrySet()) {
-            final long expiryTime = e.getValue().getExpiryTime();
+            long expiryTime = e.getValue().getExpiryTime();
             if (currentTime > expiryTime) {
                 op.removeMapEntry(PROP_CHECKPOINT, e.getKey());
-            } else if (expiryTime > oldestExpiryTime) {
-                oldestExpiryTime = expiryTime;
-                lastAliveRevision = e.getKey();
+            } else {
+                Revision cpRev = e.getKey();
+                RevisionVector rv = e.getValue().getCheckpoint();
+                if (rv != null) {
+                    cpRev = rv.getRevision(cpRev.getClusterId());
+                }
+                lastAliveRevision = Utils.min(lastAliveRevision, cpRev);
             }
         }
 

Modified: jackrabbit/oak/branches/1.4/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CheckpointsTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.4/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CheckpointsTest.java?rev=1762461&r1=1762460&r2=1762461&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.4/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CheckpointsTest.java (original)
+++ jackrabbit/oak/branches/1.4/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CheckpointsTest.java Tue Sep 27 12:01:52 2016
@@ -36,6 +36,7 @@ import com.google.common.collect.Immutab
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNotSame;
 import static org.junit.Assert.assertNull;
@@ -59,8 +60,9 @@ public class CheckpointsTest {
     @Test
     public void testCheckpointPurge() throws Exception {
         long expiryTime = 1000;
-        Revision r1 = Revision.fromString(store.checkpoint(expiryTime));
-        assertEquals(r1, store.getCheckpoints().getOldestRevisionToKeep());
+        String r1 = store.getHeadRevision().toString();
+        store.checkpoint(expiryTime);
+        assertEquals(r1, store.getCheckpoints().getOldestRevisionToKeep().toString());
 
         //Trigger expiry by forwarding the clock to future
         clock.waitUntil(clock.getTime() + expiryTime + 1);
@@ -70,12 +72,12 @@ public class CheckpointsTest {
     @Test
     public void testCheckpointPurgeByCount() throws Exception {
         long expiryTime = TimeUnit.HOURS.toMillis(1);
-        Revision r1 = null;
+        String head = store.getHeadRevision().toString();
         for(int i = 0; i < Checkpoints.CLEANUP_INTERVAL; i++){
-            r1 = Revision.fromString(store.checkpoint(expiryTime));
+            store.checkpoint(expiryTime);
             store.setRoot(new RevisionVector(Revision.newRevision(store.getClusterId())));
         }
-        assertEquals(r1, store.getCheckpoints().getOldestRevisionToKeep());
+        assertEquals(head, store.getCheckpoints().getOldestRevisionToKeep().toString());
         assertEquals(Checkpoints.CLEANUP_INTERVAL, store.getCheckpoints().size());
 
         //Trigger expiry by forwarding the clock to future
@@ -94,42 +96,51 @@ public class CheckpointsTest {
 
         //Create CP with higher expiry first and then one with
         //lower expiry
-        Revision r2 = Revision.fromString(store.checkpoint(e2));
-        Revision r1 = Revision.fromString(store.checkpoint(e1));
+        String r2 = store.getHeadRevision().toString();
+        String c2 = store.checkpoint(e2);
+
+        //Do some commit to change headRevision
+        NodeBuilder b2 = store.getRoot().builder();
+        b2.child("x");
+        store.merge(b2, EmptyHook.INSTANCE, CommitInfo.EMPTY);
+
+        String c1 = store.checkpoint(e1);
 
         clock.waitUntil(clock.getTime() + e1 + 1);
 
         //The older checkpoint was for greater duration so checkpoint
         //must not be GC
-        assertEquals(r2, store.getCheckpoints().getOldestRevisionToKeep());
+        assertEquals(r2, store.getCheckpoints().getOldestRevisionToKeep().toString());
         // after getOldestRevisionToKeep() only one must be remaining
         assertEquals(1, store.getCheckpoints().size());
-        assertNull(store.retrieve(r1.toString()));
-        assertNotNull(store.retrieve(r2.toString()));
+        assertNull(store.retrieve(c1));
+        assertNotNull(store.retrieve(c2));
     }
 
     @Test
     public void testGetOldestRevisionToKeep() throws Exception {
         long et1 = 1000, et2 = et1 + 1000;
 
-        Revision r1 = Revision.fromString(store.checkpoint(et1));
+        String r1 = store.getHeadRevision().toString();
+        Revision c1 = Revision.fromString(store.checkpoint(et1));
 
         //Do some commit to change headRevision
         NodeBuilder b2 = store.getRoot().builder();
         b2.child("x");
         store.merge(b2, EmptyHook.INSTANCE, CommitInfo.EMPTY);
 
-        Revision r2 = Revision.fromString(store.checkpoint(et2));
-        assertNotSame(r1, r2);
+        String r2 = store.getHeadRevision().toString();
+        Revision c2 = Revision.fromString(store.checkpoint(et2));
+        assertNotEquals(c1, c2);
 
-        //r2 has the later expiry
-        assertEquals(r2, store.getCheckpoints().getOldestRevisionToKeep());
+        // r1 is older
+        assertEquals(r1, store.getCheckpoints().getOldestRevisionToKeep().toString());
 
         long starttime = clock.getTime();
 
         //Trigger expiry by forwarding the clock to future e1
         clock.waitUntil(starttime + et1 + 1);
-        assertEquals(r2, store.getCheckpoints().getOldestRevisionToKeep());
+        assertEquals(r2, store.getCheckpoints().getOldestRevisionToKeep().toString());
 
         //Trigger expiry by forwarding the clock to future e2
         //This time no valid checkpoint
@@ -137,27 +148,53 @@ public class CheckpointsTest {
         assertNull(store.getCheckpoints().getOldestRevisionToKeep());
     }
 
+    // OAK-4552
+    @Test
+    public void testGetOldestRevisionToKeep2() throws Exception {
+        long lifetime = TimeUnit.HOURS.toMillis(1);
+
+        String r1 = store.getHeadRevision().toString();
+        String c1 = store.checkpoint(lifetime);
+
+        // Do some commit to change headRevision
+        NodeBuilder b2 = store.getRoot().builder();
+        b2.child("x");
+        store.merge(b2, EmptyHook.INSTANCE, CommitInfo.EMPTY);
+
+        String r2 = store.getHeadRevision().toString();
+        String c2 = store.checkpoint(lifetime);
+        assertNotEquals(r1, r2);
+        assertNotEquals(c1, c2);
+
+        // r1 is older
+        assertEquals(r1, store.getCheckpoints().getOldestRevisionToKeep().toString());
+    }
+
     @Test
     public void checkpointRemove() throws Exception{
-        long et1 = 1000, et2 = et1 + 1000;
-        String cp1 = store.checkpoint(et1);
-        Revision r1 = Revision.fromString(cp1);
+        long lifetime = TimeUnit.HOURS.toMillis(1);
+        String r1 = store.getHeadRevision().toString();
+        String cp1 = store.checkpoint(lifetime);
 
         //Do some commit to change headRevision
         NodeBuilder b2 = store.getRoot().builder();
         b2.child("x");
         store.merge(b2, EmptyHook.INSTANCE, CommitInfo.EMPTY);
 
-        String cp2 = store.checkpoint(et2);
-        Revision r2 = Revision.fromString(cp2);
+        String r2 = store.getHeadRevision().toString();
+        String cp2 = store.checkpoint(lifetime);
 
         assertEquals(2, store.getCheckpoints().size());
-        assertEquals(r2, store.getCheckpoints().getOldestRevisionToKeep());
+        assertEquals(r1, store.getCheckpoints().getOldestRevisionToKeep().toString());
 
-        store.release(cp2);
+        store.release(cp1);
 
         assertEquals(1, store.getCheckpoints().size());
-        assertEquals(r1, store.getCheckpoints().getOldestRevisionToKeep());
+        assertEquals(r2, store.getCheckpoints().getOldestRevisionToKeep().toString());
+
+        store.release(cp2);
+        assertEquals(0, store.getCheckpoints().size());
+        assertNull(store.getCheckpoints().getOldestRevisionToKeep());
     }
 
     @Test