+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
package org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard;
-import org.opendaylight.controller.cluster.datastore.jmx.mbeans.AbstractBaseMBean;
+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 scala.concurrent.Await;
/**
- * @author: syedbahm
+ * Maintains statistics for a shard.
+ *
+ * @author Basheeruddin syedbahm@cisco.com
*/
-public class ShardStats extends AbstractBaseMBean implements ShardStatsMBean {
- private Long committedTransactionsCount;
- private Long journalMessagesCount;
- final private String shardName;
+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> onDemandRaftStateCache =
+ CacheBuilder.newBuilder().expireAfterWrite(2, TimeUnit.SECONDS).build();
+
+ private long committedTransactionsCount;
+
+ private long readOnlyTransactionCount;
+
+ private long writeOnlyTransactionCount;
+
+ private long readWriteTransactionCount;
+
+ private long lastCommittedTransactionTime;
+
+ private long failedTransactionsCount;
+
+ private final AtomicLong failedReadTransactionsCount = new AtomicLong();
+
+ private long abortTransactionsCount;
+
+ private boolean followerInitialSyncStatus = false;
+
+ private Shard shard;
+
+ private String statRetrievalError;
+
+ private String statRetrievalTime;
+
+ private long leadershipChangeCount;
+
+ private long lastLeadershipChangeTime;
+
+ public ShardStats(final String shardName, final String mxBeanType) {
+ super(shardName, mxBeanType, JMX_CATEGORY_SHARD);
+ }
+
+ public void setShard(Shard shard) {
+ this.shard = shard;
+ }
+
+ private OnDemandRaftState getOnDemandRaftState() {
+ String name = getShardName();
+ OnDemandRaftState state = onDemandRaftStateCache.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();
+ onDemandRaftStateCache.put(name, state);
+ } catch (Exception e) {
+ statRetrievalError = e.toString();
+ }
+ }
+
+ state = state != null ? state : OnDemandRaftState.builder().build();
+ }
+
+ return state;
+ }
+
+ @Override
+ public String getShardName() {
+ return getMBeanName();
+ }
+
+ @Override
+ public long getCommittedTransactionsCount() {
+ return committedTransactionsCount;
+ }
+
+ @Override
+ public String getLeader() {
+ return getOnDemandRaftState().getLeader();
+ }
+
+ @Override
+ public String getRaftState() {
+ return getOnDemandRaftState().getRaftState();
+ }
+
+ @Override
+ public long getReadOnlyTransactionCount() {
+ return readOnlyTransactionCount;
+ }
+
+ @Override
+ public long getWriteOnlyTransactionCount() {
+ return writeOnlyTransactionCount;
+ }
+
+ @Override
+ public long getReadWriteTransactionCount() {
+ return readWriteTransactionCount;
+ }
+
+ @Override
+ public long getLastLogIndex() {
+ return getOnDemandRaftState().getLastLogIndex();
+ }
+
+ @Override
+ public long getLastLogTerm() {
+ return getOnDemandRaftState().getLastLogTerm();
+ }
+
+ @Override
+ public long getCurrentTerm() {
+ return getOnDemandRaftState().getCurrentTerm();
+ }
+
+ @Override
+ public long getCommitIndex() {
+ return getOnDemandRaftState().getCommitIndex();
+ }
+
+ @Override
+ public long getLastApplied() {
+ return getOnDemandRaftState().getLastApplied();
+ }
+
+ @Override
+ public long getLastIndex() {
+ return getOnDemandRaftState().getLastIndex();
+ }
+
+ @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
+ public long getFailedTransactionsCount() {
+ return failedTransactionsCount;
+ }
+
+ @Override
+ public long getFailedReadTransactionsCount() {
+ return failedReadTransactionsCount.get();
+ }
+
+ @Override
+ public long getAbortTransactionsCount() {
+ return abortTransactionsCount;
+ }
+
+ public long incrementCommittedTransactionCount() {
+ return ++committedTransactionsCount;
+ }
+
+ public long incrementReadOnlyTransactionCount() {
+ return ++readOnlyTransactionCount;
+ }
+
+ public long incrementWriteOnlyTransactionCount() {
+ return ++writeOnlyTransactionCount;
+ }
+
+ public long incrementReadWriteTransactionCount() {
+ return ++readWriteTransactionCount;
+ }
+
+ public long incrementFailedTransactionsCount() {
+ return ++failedTransactionsCount;
+ }
+
+ public long incrementFailedReadTransactionsCount() {
+ return failedReadTransactionsCount.incrementAndGet();
+ }
+
+ public long incrementAbortTransactionsCount ()
+ {
+ return ++abortTransactionsCount;
+ }
+
+ public void setLastCommittedTransactionTime(final long lastCommittedTransactionTime) {
+ this.lastCommittedTransactionTime = lastCommittedTransactionTime;
+ }
+
+ @Override
+ public long getInMemoryJournalDataSize(){
+ return getOnDemandRaftState().getInMemoryJournalDataSize();
+ }
+
+ @Override
+ public long getInMemoryJournalLogSize() {
+ return getOnDemandRaftState().getInMemoryJournalLogSize();
+ }
+
+ /**
+ * resets the counters related to transactions
+ */
+ @Override
+ public void resetTransactionCounters(){
+ committedTransactionsCount = 0;
+
+ readOnlyTransactionCount = 0;
+
+ writeOnlyTransactionCount = 0;
- ShardStats(String shardName){
- this.shardName = shardName;
- committedTransactionsCount =0L;
- journalMessagesCount = 0L;
- };
+ readWriteTransactionCount = 0;
+ lastCommittedTransactionTime = 0;
- @Override
- public String getShardName() {
- return shardName;
- }
+ failedTransactionsCount = 0;
- @Override
- public Long getCommittedTransactionsCount() {
- return committedTransactionsCount;
- }
+ failedReadTransactionsCount.set(0);
- @Override
- public Long getJournalMessagesCount() {
- //FIXME: this will be populated once after integration with Raft stuff
- return journalMessagesCount;
- }
+ abortTransactionsCount = 0;
+ }
- public Long incrementCommittedTransactionCount() {
- return committedTransactionsCount++;
- }
+ public void setFollowerInitialSyncStatus(boolean followerInitialSyncStatus) {
+ this.followerInitialSyncStatus = followerInitialSyncStatus;
+ }
+ @Override
+ public boolean getFollowerInitialSyncStatus() {
+ return followerInitialSyncStatus;
+ }
- public void updateCommittedTransactionsCount(long currentCount){
- committedTransactionsCount = currentCount;
+ @Override
+ public List<FollowerInfo> getFollowerInfo() {
+ return getOnDemandRaftState().getFollowerInfoList();
+ }
- }
+ @Override
+ public String getPeerAddresses() {
+ return toStringMap(getOnDemandRaftState().getPeerAddresses());
+ }
- public void updateJournalMessagesCount(long currentCount){
- journalMessagesCount = currentCount;
+ private static String toStringMap(Map<?, ?> map) {
+ return Joiner.on(", ").withKeyValueSeparator(": ").join(map);
+ }
- }
+ @Override
+ public String getStatRetrievalTime() {
+ getOnDemandRaftState();
+ return statRetrievalTime;
+ }
+ @Override
+ public String getStatRetrievalError() {
+ getOnDemandRaftState();
+ return statRetrievalError;
+ }
+ @Override
+ public long getLeadershipChangeCount() {
+ return leadershipChangeCount;
+ }
- @Override
- protected String getMBeanName() {
- return shardName;
- }
+ public void incrementLeadershipChangeCount() {
+ leadershipChangeCount++;
+ lastLeadershipChangeTime = System.currentTimeMillis();
+ }
- @Override
- protected String getMBeanType() {
- return JMX_TYPE_DISTRIBUTED_DATASTORE;
- }
+ @Override
+ public String getLastLeadershipChangeTime() {
+ return DATE_FORMAT.format(new Date(lastLeadershipChangeTime));
+ }
- @Override
- protected String getMBeanCategory() {
- return JMX_CATEGORY_SHARD;
- }
+ @Override
+ public int getPendingTxCommitQueueSize() {
+ return shard.getPendingTxCommitQueueSize();
+ }
+ @Override
+ public int getTxCohortCacheSize() {
+ return shard.getCohortCacheSize();
+ }
+ @Override
+ public void captureSnapshot() {
+ if(shard != null) {
+ shard.getSelf().tell(new InitiateCaptureSnapshot(), ActorRef.noSender());
+ }
+ }
}
Code Review / controller.git / blobdiff