X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-akka-raft%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fraft%2FRaftActor.java;h=285be39c0b3286c2abbdaf3c08e09c1f85c0224f;hb=13b8e537dfe1cb63f9ca312894ea94a7c2d37ad6;hp=65254f2d6277c34c9773570e5938d8a005ab3015;hpb=49d32b6d3e7a93ce3d0030d6c964dc3b7b6bafc5;p=controller.git

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActor.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActor.java
index 65254f2d62..285be39c0b 100644
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActor.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActor.java
@@ -22,6 +22,7 @@ import com.google.common.base.Stopwatch;
 import com.google.protobuf.ByteString;
 import java.io.Serializable;
 import java.util.Map;
+import java.util.concurrent.TimeUnit;
 import org.opendaylight.controller.cluster.DataPersistenceProvider;
 import org.opendaylight.controller.cluster.common.actor.AbstractUntypedPersistentActor;
 import org.opendaylight.controller.cluster.notifications.RoleChanged;
@@ -82,6 +83,9 @@ import org.slf4j.LoggerFactory;
  * </ul>
  */
 public abstract class RaftActor extends AbstractUntypedPersistentActor {
+
+    private static final long APPLY_STATE_DELAY_THRESHOLD_IN_NANOS = TimeUnit.MILLISECONDS.toNanos(50L); // 50 millis
+
     protected final Logger LOG = LoggerFactory.getLogger(getClass());
 
     /**
@@ -278,6 +282,12 @@ public abstract class RaftActor extends AbstractUntypedPersistentActor {
         if (message instanceof ApplyState){
             ApplyState applyState = (ApplyState) message;
 
+            long elapsedTime = (System.nanoTime() - applyState.getStartTime());
+            if(elapsedTime >= APPLY_STATE_DELAY_THRESHOLD_IN_NANOS){
+                LOG.warn("ApplyState took more time than expected. Elapsed Time = {} ms ApplyState = {}",
+                        TimeUnit.NANOSECONDS.toMillis(elapsedTime), applyState);
+            }
+
             if(LOG.isDebugEnabled()) {
                 LOG.debug("{}: Applying state for log index {} data {}",
                     persistenceId(), applyState.getReplicatedLogEntry().getIndex(),
@@ -667,12 +677,22 @@ public abstract class RaftActor extends AbstractUntypedPersistentActor {
             context.getReplicatedLog().snapshotPreCommit(captureSnapshot.getLastAppliedIndex(),
                     captureSnapshot.getLastAppliedTerm());
 
-        } else {
+            getCurrentBehavior().setReplicatedToAllIndex(captureSnapshot.getReplicatedToAllIndex());
+        } else if(captureSnapshot.getReplicatedToAllIndex() != -1){
             // clear the log based on replicatedToAllIndex
             context.getReplicatedLog().snapshotPreCommit(captureSnapshot.getReplicatedToAllIndex(),
                     captureSnapshot.getReplicatedToAllTerm());
+
+            getCurrentBehavior().setReplicatedToAllIndex(captureSnapshot.getReplicatedToAllIndex());
+        } else {
+            // The replicatedToAllIndex was not found in the log
+            // This means that replicatedToAllIndex never moved beyond -1 or that it is already in the snapshot.
+            // In this scenario we may need to save the snapshot to the akka persistence
+            // snapshot for recovery but we do not need to do the replicated log trimming.
+            context.getReplicatedLog().snapshotPreCommit(replicatedLog.getSnapshotIndex(),
+                    replicatedLog.getSnapshotTerm());
         }
-        getCurrentBehavior().setReplicatedToAllIndex(captureSnapshot.getReplicatedToAllIndex());
+
 
         LOG.info("{}: Removed in-memory snapshotted entries, adjusted snaphsotIndex:{} " +
             "and term:{}", persistenceId(), captureSnapshot.getLastAppliedIndex(),