package org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard;
+import akka.actor.ActorRef;
+import akka.pattern.Patterns;
+import akka.util.Timeout;
+import com.google.common.base.Joiner;
+import com.google.common.base.Stopwatch;
+import com.google.common.cache.Cache;
+import com.google.common.cache.CacheBuilder;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicLong;
+import org.opendaylight.controller.cluster.datastore.Shard;
+import org.opendaylight.controller.cluster.raft.base.messages.InitiateCaptureSnapshot;
+import org.opendaylight.controller.cluster.raft.client.messages.FollowerInfo;
+import org.opendaylight.controller.cluster.raft.client.messages.GetOnDemandRaftState;
+import org.opendaylight.controller.cluster.raft.client.messages.OnDemandRaftState;
import org.opendaylight.controller.md.sal.common.util.jmx.AbstractMXBean;
-import org.opendaylight.controller.md.sal.common.util.jmx.QueuedNotificationManagerMXBeanImpl;
-import org.opendaylight.controller.md.sal.common.util.jmx.ThreadExecutorStats;
-import org.opendaylight.controller.md.sal.common.util.jmx.ThreadExecutorStatsMXBeanImpl;
-import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore;
-import org.opendaylight.yangtools.util.concurrent.ListenerNotificationQueueStats;
-import org.opendaylight.yangtools.util.concurrent.QueuedNotificationManager;
+import scala.concurrent.Await;
/**
* Maintains statistics for a shard.
public class ShardStats extends AbstractMXBean implements ShardStatsMXBean {
public static String JMX_CATEGORY_SHARD = "Shards";
+ private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
+
+ private static final Cache<String, OnDemandRaftState> ONDEMAND_RAFT_STATE_CACHE =
+ CacheBuilder.newBuilder().expireAfterWrite(2, TimeUnit.SECONDS).build();
+
private long committedTransactionsCount;
private long readOnlyTransactionCount;
private long readWriteTransactionCount;
- private String leader;
-
- private String raftState;
-
- private long lastLogTerm = -1L;
-
- private long lastLogIndex = -1L;
-
- private long currentTerm = -1L;
-
- private long commitIndex = -1L;
-
- private long lastApplied = -1L;
-
private long lastCommittedTransactionTime;
private long failedTransactionsCount;
private long abortTransactionsCount;
- private ThreadExecutorStatsMXBeanImpl notificationExecutorStatsBean;
+ private boolean followerInitialSyncStatus = false;
+
+ private Shard shard;
- private QueuedNotificationManagerMXBeanImpl notificationManagerStatsBean;
+ private String statRetrievalError;
- private long dataSize = 0;
+ private String statRetrievalTime;
- private final SimpleDateFormat sdf =
- new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
+ private long leadershipChangeCount;
- private boolean followerInitialSyncStatus = false;
+ private long lastLeadershipChangeTime;
public ShardStats(final String shardName, final String mxBeanType) {
super(shardName, mxBeanType, JMX_CATEGORY_SHARD);
}
- public void setNotificationManager(final QueuedNotificationManager<?, ?> manager) {
- this.notificationManagerStatsBean = new QueuedNotificationManagerMXBeanImpl(manager,
- "notification-manager", getMBeanType(), getMBeanCategory());
+ public void setShard(Shard shard) {
+ this.shard = shard;
+ }
+
+ @SuppressWarnings("checkstyle:IllegalCatch")
+ private OnDemandRaftState getOnDemandRaftState() {
+ String name = getShardName();
+ OnDemandRaftState state = ONDEMAND_RAFT_STATE_CACHE.getIfPresent(name);
+ if (state == null) {
+ statRetrievalError = null;
+ statRetrievalTime = null;
+
+ if (shard != null) {
+ Timeout timeout = new Timeout(10, TimeUnit.SECONDS);
+ try {
+ Stopwatch timer = Stopwatch.createStarted();
+
+ state = (OnDemandRaftState) Await.result(Patterns.ask(shard.getSelf(),
+ GetOnDemandRaftState.INSTANCE, timeout), timeout.duration());
+
+ statRetrievalTime = timer.stop().toString();
+ ONDEMAND_RAFT_STATE_CACHE.put(name, state);
+ } catch (Exception e) {
+ statRetrievalError = e.toString();
+ }
+ }
- this.notificationExecutorStatsBean = ThreadExecutorStatsMXBeanImpl.create(manager.getExecutor());
+ state = state != null ? state : OnDemandRaftState.builder().build();
+ }
+
+ return state;
}
@Override
@Override
public String getLeader() {
- return leader;
+ return getOnDemandRaftState().getLeader();
}
@Override
public String getRaftState() {
- return raftState;
+ return getOnDemandRaftState().getRaftState();
}
@Override
@Override
public long getLastLogIndex() {
- return lastLogIndex;
+ return getOnDemandRaftState().getLastLogIndex();
}
@Override
public long getLastLogTerm() {
- return lastLogTerm;
+ return getOnDemandRaftState().getLastLogTerm();
}
@Override
public long getCurrentTerm() {
- return currentTerm;
+ return getOnDemandRaftState().getCurrentTerm();
}
@Override
public long getCommitIndex() {
- return commitIndex;
+ return getOnDemandRaftState().getCommitIndex();
}
@Override
public long getLastApplied() {
- return lastApplied;
+ return getOnDemandRaftState().getLastApplied();
}
@Override
- public String getLastCommittedTransactionTime() {
+ public long getLastIndex() {
+ return getOnDemandRaftState().getLastIndex();
+ }
- return sdf.format(new Date(lastCommittedTransactionTime));
+ @Override
+ public long getLastTerm() {
+ return getOnDemandRaftState().getLastTerm();
+ }
+
+ @Override
+ public long getSnapshotIndex() {
+ return getOnDemandRaftState().getSnapshotIndex();
+ }
+
+ @Override
+ public long getSnapshotTerm() {
+ return getOnDemandRaftState().getSnapshotTerm();
+ }
+
+ @Override
+ public long getReplicatedToAllIndex() {
+ return getOnDemandRaftState().getReplicatedToAllIndex();
+ }
+
+ @Override
+ public String getVotedFor() {
+ return getOnDemandRaftState().getVotedFor();
+ }
+
+ @Override
+ public boolean isVoting() {
+ return getOnDemandRaftState().isVoting();
+ }
+
+ @Override
+ public String getPeerVotingStates() {
+ return toStringMap(getOnDemandRaftState().getPeerVotingStates());
+ }
+
+ @Override
+ public boolean isSnapshotCaptureInitiated() {
+ return getOnDemandRaftState().isSnapshotCaptureInitiated();
+ }
+
+ @Override
+ public String getLastCommittedTransactionTime() {
+ return DATE_FORMAT.format(new Date(lastCommittedTransactionTime));
}
@Override
return failedReadTransactionsCount.incrementAndGet();
}
- public long incrementAbortTransactionsCount ()
- {
+ public long incrementAbortTransactionsCount() {
return ++abortTransactionsCount;
}
- public void setLeader(final String leader) {
- this.leader = leader;
+ public void setLastCommittedTransactionTime(final long lastCommittedTransactionTime) {
+ this.lastCommittedTransactionTime = lastCommittedTransactionTime;
}
- public void setRaftState(final String raftState) {
- this.raftState = raftState;
+ @Override
+ public long getInMemoryJournalDataSize() {
+ return getOnDemandRaftState().getInMemoryJournalDataSize();
}
- public void setLastLogTerm(final long lastLogTerm) {
- this.lastLogTerm = lastLogTerm;
+ @Override
+ public long getInMemoryJournalLogSize() {
+ return getOnDemandRaftState().getInMemoryJournalLogSize();
}
- public void setLastLogIndex(final long lastLogIndex) {
- this.lastLogIndex = lastLogIndex;
- }
+ /**
+ * Resets the counters related to transactions.
+ */
+ @Override
+ public void resetTransactionCounters() {
+ committedTransactionsCount = 0;
- public void setCurrentTerm(final long currentTerm) {
- this.currentTerm = currentTerm;
- }
+ readOnlyTransactionCount = 0;
- public void setCommitIndex(final long commitIndex) {
- this.commitIndex = commitIndex;
- }
+ writeOnlyTransactionCount = 0;
- public void setLastApplied(final long lastApplied) {
- this.lastApplied = lastApplied;
- }
+ readWriteTransactionCount = 0;
+
+ lastCommittedTransactionTime = 0;
+
+ failedTransactionsCount = 0;
+
+ failedReadTransactionsCount.set(0);
+
+ abortTransactionsCount = 0;
- public void setLastCommittedTransactionTime(final long lastCommittedTransactionTime) {
- this.lastCommittedTransactionTime = lastCommittedTransactionTime;
}
- public void setInMemoryJournalDataSize(long dataSize){
- this.dataSize = dataSize;
+ public void setFollowerInitialSyncStatus(boolean followerInitialSyncStatus) {
+ this.followerInitialSyncStatus = followerInitialSyncStatus;
}
@Override
- public long getInMemoryJournalDataSize(){
- return dataSize;
+ public boolean getFollowerInitialSyncStatus() {
+ return followerInitialSyncStatus;
}
@Override
- public ThreadExecutorStats getDataStoreExecutorStats() {
- // FIXME: this particular thing does not work, as it really is DS-specific
- return null;
+ public List<FollowerInfo> getFollowerInfo() {
+ return getOnDemandRaftState().getFollowerInfoList();
}
@Override
- public ThreadExecutorStats getNotificationMgrExecutorStats() {
- return notificationExecutorStatsBean.toThreadExecutorStats();
+ public String getPeerAddresses() {
+ return toStringMap(getOnDemandRaftState().getPeerAddresses());
}
- @Override
- public List<ListenerNotificationQueueStats> getCurrentNotificationMgrListenerQueueStats() {
- return notificationManagerStatsBean.getCurrentListenerQueueStats();
+ private static String toStringMap(Map<?, ?> map) {
+ return Joiner.on(", ").withKeyValueSeparator(": ").join(map);
}
@Override
- public int getMaxNotificationMgrListenerQueueSize() {
- return notificationManagerStatsBean.getMaxListenerQueueSize();
+ public String getStatRetrievalTime() {
+ getOnDemandRaftState();
+ return statRetrievalTime;
}
- /**
- * resets the counters related to transactions
- */
@Override
- public void resetTransactionCounters(){
- committedTransactionsCount = 0;
-
- readOnlyTransactionCount = 0;
-
- writeOnlyTransactionCount = 0;
-
- readWriteTransactionCount = 0;
-
- lastCommittedTransactionTime = 0;
-
- failedTransactionsCount = 0;
+ public String getStatRetrievalError() {
+ getOnDemandRaftState();
+ return statRetrievalError;
+ }
- failedReadTransactionsCount.set(0);
+ @Override
+ public long getLeadershipChangeCount() {
+ return leadershipChangeCount;
+ }
- abortTransactionsCount = 0;
+ public void incrementLeadershipChangeCount() {
+ leadershipChangeCount++;
+ lastLeadershipChangeTime = System.currentTimeMillis();
+ }
+ @Override
+ public String getLastLeadershipChangeTime() {
+ return DATE_FORMAT.format(new Date(lastLeadershipChangeTime));
}
- public void setDataStore(final InMemoryDOMDataStore store) {
- setNotificationManager(store.getDataChangeListenerNotificationManager());
+ @Override
+ public int getPendingTxCommitQueueSize() {
+ return shard.getPendingTxCommitQueueSize();
}
- public void setFollowerInitialSyncStatus(boolean followerInitialSyncStatus) {
- this.followerInitialSyncStatus = followerInitialSyncStatus;
+ @Override
+ public int getTxCohortCacheSize() {
+ return shard.getCohortCacheSize();
}
@Override
- public boolean getFollowerInitialSyncStatus() {
- return followerInitialSyncStatus;
+ public void captureSnapshot() {
+ if (shard != null) {
+ shard.getSelf().tell(new InitiateCaptureSnapshot(), ActorRef.noSender());
+ }
}
}