BUG 2676 : Apply backpressure when creating transactions

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / ShardManager.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardManager.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardManager.java
index 10876045ae272c436e54143c8a0da8bf1c2e41e7..9c8f0b24440775a68f6047e3be19210583e66dbb 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardManager.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardManager.java
@@ -15,8 +15,6 @@ import akka.actor.OneForOneStrategy;
 import akka.actor.Props;
 import akka.actor.SupervisorStrategy;
 import akka.cluster.ClusterEvent;
-import akka.event.Logging;
-import akka.event.LoggingAdapter;
 import akka.japi.Creator;
 import akka.japi.Function;
 import akka.japi.Procedure;
@@ -27,6 +25,15 @@ import com.google.common.base.Preconditions;
 import com.google.common.base.Supplier;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Lists;
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
 import org.opendaylight.controller.cluster.DataPersistenceProvider;
 import org.opendaylight.controller.cluster.common.actor.AbstractUntypedPersistentActorWithMetering;
 import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
@@ -45,16 +52,9 @@ import org.opendaylight.controller.cluster.datastore.messages.PrimaryNotFound;
 import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
 import org.opendaylight.yangtools.yang.model.api.ModuleIdentifier;
 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import scala.concurrent.duration.Duration;
-import java.io.Serializable;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
 
 /**
  * The ShardManager has the following jobs,
@@ -67,8 +67,7 @@ import java.util.Set;
  */
 public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
 
-    protected final LoggingAdapter LOG =
-        Logging.getLogger(getContext().system(), this);
+    private final Logger LOG = LoggerFactory.getLogger(getClass());
 
     // Stores a mapping between a member name and the address of the member
     // Member names look like "member-1", "member-2" etc and are as specified
@@ -186,7 +185,7 @@ public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
                 knownModules = ImmutableSet.copyOf(msg.getModules());
             } else if (message instanceof RecoveryFailure) {
                 RecoveryFailure failure = (RecoveryFailure) message;
-                LOG.error(failure.cause(), "Recovery failed");
+                LOG.error("Recovery failed", failure.cause());
             } else if (message instanceof RecoveryCompleted) {
                 LOG.info("Recovery complete : {}", persistenceId());
 
@@ -424,12 +423,7 @@ public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
             new Function<Throwable, SupervisorStrategy.Directive>() {
                 @Override
                 public SupervisorStrategy.Directive apply(Throwable t) {
-                    StringBuilder sb = new StringBuilder();
-                    for(StackTraceElement element : t.getStackTrace()) {
-                       sb.append("\n\tat ")
-                         .append(element.toString());
-                    }
-                    LOG.warning("Supervisor Strategy of resume applied {}",sb.toString());
+                    LOG.warn("Supervisor Strategy caught unexpected exception - resuming", t);
                     return SupervisorStrategy.resume();
                 }
             }
@@ -555,7 +549,8 @@ public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
     }
 
     static class SchemaContextModules implements Serializable {
-        private static final long serialVersionUID = 1L;
+        private static final long serialVersionUID = -8884620101025936590L;
+
         private final Set<String> modules;
 
         SchemaContextModules(Set<String> modules){