X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-akka-raft%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fraft%2Fbehaviors%2FAbstractLeader.java;h=31464c5aff818c7e44bcc2a42527db1af048c061;hp=68cf5027dff1244d145e93dac28f2680ed9ee20a;hb=726ee824671781b5031c0108794c22bd0d96eaad;hpb=20156b149d56b1b14a06d344366b8e1af1c22fe8

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/AbstractLeader.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/AbstractLeader.java
index 68cf5027df..31464c5aff 100644
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/AbstractLeader.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/AbstractLeader.java
@@ -346,6 +346,7 @@ public abstract class AbstractLeader extends AbstractRaftActorBehavior {
         followerLogInformation.markFollowerActive();
 
         if (followerToSnapshot.getChunkIndex() == reply.getChunkIndex()) {
+            boolean wasLastChunk = false;
             if (reply.isSuccess()) {
                 if(followerToSnapshot.isLastChunk(reply.getChunkIndex())) {
                     //this was the last chunk reply
@@ -373,6 +374,7 @@ public abstract class AbstractLeader extends AbstractRaftActorBehavior {
                         // we can remove snapshot from the memory
                         setSnapshot(Optional.<ByteString>absent());
                     }
+                    wasLastChunk = true;
 
                 } else {
                     followerToSnapshot.markSendStatus(true);
@@ -383,6 +385,14 @@ public abstract class AbstractLeader extends AbstractRaftActorBehavior {
 
                 followerToSnapshot.markSendStatus(false);
             }
+
+            if (!wasLastChunk && followerToSnapshot.canSendNextChunk()) {
+                ActorSelection followerActor = context.getPeerActorSelection(followerId);
+                if(followerActor != null) {
+                    sendSnapshotChunk(followerActor, followerId);
+                }
+            }
+
         } else {
             LOG.error("{}: Chunk index {} in InstallSnapshotReply from follower {} does not match expected index {}",
                     context.getId(), reply.getChunkIndex(), followerId,
@@ -546,7 +556,7 @@ public abstract class AbstractLeader extends AbstractRaftActorBehavior {
                         // no need to capture snapshot
                         sendSnapshotChunk(followerActor, e.getKey());
 
-                    } else {
+                    } else if (!context.isSnapshotCaptureInitiated()) {
                         initiateCaptureSnapshot();
                         //we just need 1 follower who would need snapshot to be installed.
                         // when we have the snapshot captured, we would again check (in SendInstallSnapshot)
@@ -579,6 +589,7 @@ public abstract class AbstractLeader extends AbstractRaftActorBehavior {
         actor().tell(new CaptureSnapshot(lastIndex(), lastTerm(),
                 lastAppliedIndex, lastAppliedTerm, isInstallSnapshotInitiated),
             actor());
+        context.setSnapshotCaptureInitiated(true);
     }
 
 
@@ -615,8 +626,8 @@ public abstract class AbstractLeader extends AbstractRaftActorBehavior {
                         context.getReplicatedLog().getSnapshotIndex(),
                         context.getReplicatedLog().getSnapshotTerm(),
                         nextSnapshotChunk,
-                        followerToSnapshot.incrementChunkIndex(),
-                        followerToSnapshot.getTotalChunks(),
+                            followerToSnapshot.incrementChunkIndex(),
+                            followerToSnapshot.getTotalChunks(),
                         Optional.of(followerToSnapshot.getLastChunkHashCode())
                     ).toSerializable(),
                     actor()
@@ -627,7 +638,7 @@ public abstract class AbstractLeader extends AbstractRaftActorBehavior {
                         followerToSnapshot.getTotalChunks());
             }
         } catch (IOException e) {
-            LOG.error(e, "{}: InstallSnapshot failed for Leader.", context.getId());
+            LOG.error("{}: InstallSnapshot failed for Leader.", context.getId(), e);
         }
     }