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%2Fbehaviors%2FCandidate.java;h=7c111d28de818e225eb4b1ab8e10d4f962198c72;hb=8049fd4d06da0f4616180e46fbbe95f98cf698ea;hp=b86d28b5f79c4deaa8f2f8a4923305248ffd4762;hpb=660c3e22ca97bc613ea6f6288503620bba6fb233;p=controller.git

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Candidate.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Candidate.java
index b86d28b5f7..7c111d28de 100644
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Candidate.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Candidate.java
@@ -24,7 +24,8 @@ import org.opendaylight.controller.cluster.raft.messages.RequestVoteReply;
 
 /**
  * The behavior of a RaftActor when it is in the Candidate raft state.
- * <p/>
+ *
+ * <p>
  * Candidates (§5.2):
  * <ul>
  * <li> On conversion to candidate, start election:
@@ -87,8 +88,8 @@ public class Candidate extends AbstractRaftActorBehavior {
 
         // Some other candidate for the same term became a leader and sent us an append entry
         if (currentTerm() == appendEntries.getTerm()) {
-            log.debug("{}: New Leader sent an append entry to Candidate for term {} will switch to Follower",
-                    logName(), currentTerm());
+            log.info("{}: New Leader {} sent an AppendEntries to Candidate for term {} - will switch to Follower",
+                    logName(), appendEntries.getLeaderId(), currentTerm());
 
             return switchBehavior(new Follower(context));
         }
@@ -111,8 +112,8 @@ public class Candidate extends AbstractRaftActorBehavior {
 
         if (voteCount >= votesRequired) {
             if (context.getLastApplied() < context.getReplicatedLog().lastIndex()) {
-                log.debug("{}: LastApplied index {} is behind last index {}", logName(), context.getLastApplied(),
-                        context.getReplicatedLog().lastIndex());
+                log.info("{}: LastApplied index {} is behind last index {} - switching to PreLeader",
+                        logName(), context.getLastApplied(), context.getReplicatedLog().lastIndex());
                 return internalSwitchBehavior(RaftState.PreLeader);
             } else {
                 return internalSwitchBehavior(RaftState.Leader);
@@ -153,6 +154,9 @@ public class Candidate extends AbstractRaftActorBehavior {
             // set currentTerm = T, convert to follower (§5.1)
             // This applies to all RPC messages and responses
             if (rpc.getTerm() > context.getTermInformation().getCurrentTerm()) {
+                log.info("{}: Term {} in \"{}\" message is greater than Candidate's term {} - switching to Follower",
+                        logName(), rpc.getTerm(), rpc, context.getTermInformation().getCurrentTerm());
+
                 context.getTermInformation().updateAndPersist(rpc.getTerm(), null);
 
                 // The raft paper does not say whether or not a Candidate can/should process a RequestVote in
@@ -180,7 +184,7 @@ public class Candidate extends AbstractRaftActorBehavior {
         long newTerm = currentTerm + 1;
         context.getTermInformation().updateAndPersist(newTerm, context.getId());
 
-        log.debug("{}: Starting new term {}", logName(), newTerm);
+        log.info("{}: Starting new election term {}", logName(), newTerm);
 
         // Request for a vote
         // TODO: Retry request for vote if replies do not arrive in a reasonable