[ASTERIXDB-1992][ING] Reduce logging level for active events

- user model changes: no
- storage format changes: no
- interface changes: no

Change-Id: Ic3f8e406cfd0d5a5926703bd50de44d9213a41df
Reviewed-on: https://asterix-gerrit.ics.uci.edu/1903
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
BAD: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Murtadha Hubail <mhubail@apache.org>
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/ActiveEntityEventsListener.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/ActiveEntityEventsListener.java
index caf4bec..995e372 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/ActiveEntityEventsListener.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/ActiveEntityEventsListener.java
@@ -130,7 +130,7 @@
     }
 
     protected synchronized void setState(ActivityState newState) {
-        LOGGER.log(Level.WARNING, "State is being set to " + newState + " from " + state);
+        LOGGER.log(Level.FINE, "State is being set to " + newState + " from " + state);
         this.prevState = state;
         this.state = newState;
         if (newState == ActivityState.SUSPENDED) {
@@ -142,7 +142,7 @@
     @Override
     public synchronized void notify(ActiveEvent event) {
         try {
-            LOGGER.warning("EventListener is notified.");
+            LOGGER.fine("EventListener is notified.");
             ActiveEvent.Kind eventKind = event.getEventKind();
             switch (eventKind) {
                 case JOB_CREATED:
@@ -158,7 +158,7 @@
                     handle((ActivePartitionMessage) event.getEventObject());
                     break;
                 default:
-                    LOGGER.log(Level.WARNING, "Unhandled feed event notification: " + event);
+                    LOGGER.log(Level.FINE, "Unhandled feed event notification: " + event);
                     break;
             }
             notifySubscribers(event);
@@ -271,10 +271,10 @@
     @SuppressWarnings("unchecked")
     @Override
     public void refreshStats(long timeout) throws HyracksDataException {
-        LOGGER.log(Level.WARNING, "refreshStats called");
+        LOGGER.log(Level.FINE, "refreshStats called");
         synchronized (this) {
             if (state != ActivityState.RUNNING || isFetchingStats) {
-                LOGGER.log(Level.WARNING,
+                LOGGER.log(Level.FINE,
                         "returning immediately since state = " + state + " and fetchingStats = " + isFetchingStats);
                 return;
             } else {
@@ -348,33 +348,32 @@
 
     @Override
     public synchronized void recover() throws HyracksDataException {
-        LOGGER.log(Level.WARNING, "Recover is called on " + entityId);
+        LOGGER.log(Level.FINE, "Recover is called on " + entityId);
         if (recoveryTask != null) {
-            LOGGER.log(Level.WARNING,
-                    "But recovery task for " + entityId + " is already there!! throwing an exception");
+            LOGGER.log(Level.FINE, "But recovery task for " + entityId + " is already there!! throwing an exception");
             throw new RuntimeDataException(ErrorCode.DOUBLE_RECOVERY_ATTEMPTS);
         }
         if (retryPolicyFactory == NoRetryPolicyFactory.INSTANCE) {
-            LOGGER.log(Level.WARNING, "But it has no recovery policy, so it is set to permanent failure");
+            LOGGER.log(Level.FINE, "But it has no recovery policy, so it is set to permanent failure");
             setState(ActivityState.PERMANENTLY_FAILED);
         } else {
             ExecutorService executor = appCtx.getServiceContext().getControllerService().getExecutor();
             IRetryPolicy policy = retryPolicyFactory.create(this);
             cancelRecovery = false;
             setState(ActivityState.TEMPORARILY_FAILED);
-            LOGGER.log(Level.WARNING, "Recovery task has been submitted");
+            LOGGER.log(Level.FINE, "Recovery task has been submitted");
             recoveryTask = executor.submit(() -> doRecover(policy));
         }
     }
 
     protected Void doRecover(IRetryPolicy policy)
             throws AlgebricksException, HyracksDataException, InterruptedException {
-        LOGGER.log(Level.WARNING, "Actual Recovery task has started");
+        LOGGER.log(Level.FINE, "Actual Recovery task has started");
         if (getState() != ActivityState.TEMPORARILY_FAILED) {
-            LOGGER.log(Level.WARNING, "but its state is not temp failure and so we're just returning");
+            LOGGER.log(Level.FINE, "but its state is not temp failure and so we're just returning");
             return null;
         }
-        LOGGER.log(Level.WARNING, "calling the policy");
+        LOGGER.log(Level.FINE, "calling the policy");
         while (policy.retry()) {
             synchronized (this) {
                 if (cancelRecovery) {
@@ -516,10 +515,10 @@
         WaitForStateSubscriber subscriber;
         Future<Void> suspendTask;
         synchronized (this) {
-            LOGGER.log(Level.WARNING, "suspending entity " + entityId);
-            LOGGER.log(Level.WARNING, "Waiting for ongoing activities");
+            LOGGER.log(Level.FINE, "suspending entity " + entityId);
+            LOGGER.log(Level.FINE, "Waiting for ongoing activities");
             waitForNonTransitionState();
-            LOGGER.log(Level.WARNING, "Proceeding with suspension. Current state is " + state);
+            LOGGER.log(Level.FINE, "Proceeding with suspension. Current state is " + state);
             if (state == ActivityState.STOPPED || state == ActivityState.PERMANENTLY_FAILED) {
                 suspended = true;
                 return;
@@ -537,12 +536,12 @@
                     EnumSet.of(ActivityState.SUSPENDED, ActivityState.TEMPORARILY_FAILED));
             suspendTask = metadataProvider.getApplicationContext().getServiceContext().getControllerService()
                     .getExecutor().submit(() -> doSuspend(metadataProvider));
-            LOGGER.log(Level.WARNING, "Suspension task has been submitted");
+            LOGGER.log(Level.FINE, "Suspension task has been submitted");
         }
         try {
-            LOGGER.log(Level.WARNING, "Waiting for suspension task to complete");
+            LOGGER.log(Level.FINE, "Waiting for suspension task to complete");
             suspendTask.get();
-            LOGGER.log(Level.WARNING, "waiting for state to become SUSPENDED or TEMPORARILY_FAILED");
+            LOGGER.log(Level.FINE, "waiting for state to become SUSPENDED or TEMPORARILY_FAILED");
             subscriber.sync();
         } catch (Exception e) {
             synchronized (this) {
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/ActiveNotificationHandler.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/ActiveNotificationHandler.java
index b34d011..c5e5dbb 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/ActiveNotificationHandler.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/active/ActiveNotificationHandler.java
@@ -73,13 +73,13 @@
         EntityId entityId = jobId2EntityId.get(event.getJobId());
         if (entityId != null) {
             IActiveEntityEventsListener listener = entityEventListeners.get(entityId);
-            LOGGER.log(Level.WARNING, "Next event is of type " + event.getEventKind());
+            LOGGER.log(Level.FINE, "Next event is of type " + event.getEventKind());
             if (event.getEventKind() == Kind.JOB_FINISHED) {
-                LOGGER.log(Level.WARNING, "Removing the job");
+                LOGGER.log(Level.FINE, "Removing the job");
                 jobId2EntityId.remove(event.getJobId());
             }
             if (listener != null) {
-                LOGGER.log(Level.WARNING, "Notifying the listener");
+                LOGGER.log(Level.FINE, "Notifying the listener");
                 listener.notify(event);
             }
         } else {
@@ -91,17 +91,17 @@
 
     @Override
     public void notifyJobCreation(JobId jobId, JobSpecification jobSpecification) throws HyracksDataException {
-        LOGGER.log(Level.WARNING,
+        LOGGER.log(Level.FINE,
                 "notifyJobCreation(JobId jobId, JobSpecification jobSpecification) was called with jobId = " + jobId);
         Object property = jobSpecification.getProperty(ACTIVE_ENTITY_PROPERTY_NAME);
         if (property == null || !(property instanceof EntityId)) {
-            LOGGER.log(Level.WARNING, "Job is not of type active job. property found to be: " + property);
+            LOGGER.log(Level.FINE, "Job is not of type active job. property found to be: " + property);
             return;
         }
         EntityId entityId = (EntityId) property;
         monitorJob(jobId, entityId);
         boolean found = jobId2EntityId.get(jobId) != null;
-        LOGGER.log(Level.WARNING, "Job was found to be: " + (found ? "Active" : "Inactive"));
+        LOGGER.log(Level.FINE, "Job was found to be: " + (found ? "Active" : "Inactive"));
         add(new ActiveEvent(jobId, Kind.JOB_CREATED, entityId, jobSpecification));
     }
 
@@ -120,7 +120,7 @@
                 LOGGER.log(Level.WARNING, "monitoring started for job id: " + jobId);
             }
         } else {
-            LOGGER.severe("No listener was found for the entity: " + entityId);
+            LOGGER.info("No listener was found for the entity: " + entityId);
         }
         jobId2EntityId.put(jobId, entityId);
     }
@@ -194,7 +194,7 @@
         if (suspended) {
             throw new RuntimeDataException(ErrorCode.ACTIVE_NOTIFICATION_HANDLER_IS_SUSPENDED);
         }
-        LOGGER.log(Level.WARNING, "unregisterListener(IActiveEntityEventsListener listener) was called for the entity "
+        LOGGER.log(Level.FINE, "unregisterListener(IActiveEntityEventsListener listener) was called for the entity "
                 + listener.getEntityId());
         IActiveEntityEventsListener registeredListener = entityEventListeners.remove(listener.getEntityId());
         if (registeredListener == null) {
@@ -221,16 +221,16 @@
 
     @Override
     public synchronized void recover() throws HyracksDataException {
-        LOGGER.log(Level.WARNING, "Starting active recovery");
+        LOGGER.log(Level.FINE, "Starting active recovery");
         for (IActiveEntityEventsListener listener : entityEventListeners.values()) {
             synchronized (listener) {
-                LOGGER.log(Level.WARNING, "Entity " + listener.getEntityId() + " is " + listener.getStats());
+                LOGGER.log(Level.FINE, "Entity " + listener.getEntityId() + " is " + listener.getStats());
                 if (listener.getState() == ActivityState.PERMANENTLY_FAILED
                         && listener instanceof IActiveEntityController) {
-                    LOGGER.log(Level.WARNING, "Recovering");
+                    LOGGER.log(Level.FINE, "Recovering");
                     ((IActiveEntityController) listener).recover();
                 } else {
-                    LOGGER.log(Level.WARNING, "Only notifying");
+                    LOGGER.log(Level.FINE, "Only notifying");
                     listener.notifyAll();
                 }
             }
@@ -243,7 +243,7 @@
             if (suspended) {
                 throw new RuntimeDataException(ErrorCode.ACTIVE_EVENT_HANDLER_ALREADY_SUSPENDED);
             }
-            LOGGER.log(Level.WARNING, "Suspending active events handler");
+            LOGGER.log(Level.FINE, "Suspending active events handler");
             suspended = true;
         }
         IMetadataLockManager lockManager = mdProvider.getApplicationContext().getMetadataLockManager();
@@ -253,27 +253,27 @@
             // exclusive lock all the datasets
             String dataverseName = listener.getEntityId().getDataverse();
             String entityName = listener.getEntityId().getEntityName();
-            LOGGER.log(Level.WARNING, "Suspending " + listener.getEntityId());
-            LOGGER.log(Level.WARNING, "Acquiring locks");
+            LOGGER.log(Level.FINE, "Suspending " + listener.getEntityId());
+            LOGGER.log(Level.FINE, "Acquiring locks");
             lockManager.acquireActiveEntityWriteLock(mdProvider.getLocks(), dataverseName + '.' + entityName);
             List<Dataset> datasets = ((ActiveEntityEventsListener) listener).getDatasets();
             for (Dataset dataset : datasets) {
                 lockManager.acquireDatasetExclusiveModificationLock(mdProvider.getLocks(),
                         DatasetUtil.getFullyQualifiedName(dataset));
             }
-            LOGGER.log(Level.WARNING, "locks acquired");
+            LOGGER.log(Level.FINE, "locks acquired");
             ((ActiveEntityEventsListener) listener).suspend(mdProvider);
-            LOGGER.log(Level.WARNING, listener.getEntityId() + " suspended");
+            LOGGER.log(Level.FINE, listener.getEntityId() + " suspended");
         }
     }
 
     public void resume(MetadataProvider mdProvider)
             throws AsterixException, HyracksDataException, InterruptedException {
-        LOGGER.log(Level.WARNING, "Resuming active events handler");
+        LOGGER.log(Level.FINE, "Resuming active events handler");
         for (IActiveEntityEventsListener listener : entityEventListeners.values()) {
-            LOGGER.log(Level.WARNING, "Resuming " + listener.getEntityId());
+            LOGGER.log(Level.FINE, "Resuming " + listener.getEntityId());
             ((ActiveEntityEventsListener) listener).resume(mdProvider);
-            LOGGER.log(Level.WARNING, listener.getEntityId() + " resumed");
+            LOGGER.log(Level.FINE, listener.getEntityId() + " resumed");
         }
         synchronized (this) {
             suspended = false;