X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2Fjmx%2Fmbeans%2Fshard%2FShardStats.java;h=6e8ff146d4790f376fba19c33a8e0a474a4f3e86;hb=925cb4a228d0fda99c7bfeb432eb25285a223887;hp=22ad8e7f5a3408ff7457876635ced85f19ad2842;hpb=67d58d1ab50f3c3bbe19a96fb6f0d9d94211829f;p=controller.git

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/jmx/mbeans/shard/ShardStats.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/jmx/mbeans/shard/ShardStats.java
index 22ad8e7f5a..6e8ff146d4 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/jmx/mbeans/shard/ShardStats.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/jmx/mbeans/shard/ShardStats.java
@@ -8,59 +8,108 @@
 
 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;
 
 /**
+ * Maintains statistics for a shard.
+ *
  * @author  Basheeruddin syedbahm@cisco.com
  */
-public class ShardStats extends AbstractBaseMBean implements ShardStatsMBean {
+public class ShardStats extends AbstractMXBean implements ShardStatsMXBean {
+    public static String JMX_CATEGORY_SHARD = "Shards";
 
-    private final String shardName;
+    private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
 
-    private long committedTransactionsCount = 0L;
+    private static final Cache<String, OnDemandRaftState> ONDEMAND_RAFT_STATE_CACHE =
+            CacheBuilder.newBuilder().expireAfterWrite(2, TimeUnit.SECONDS).build();
 
-    private long readOnlyTransactionCount = 0L;
+    private long committedTransactionsCount;
 
-    private long writeOnlyTransactionCount = 0L;
+    private long readOnlyTransactionCount;
 
-    private long readWriteTransactionCount = 0L;
+    private long writeOnlyTransactionCount;
 
-    private String leader;
+    private long readWriteTransactionCount;
 
-    private String raftState;
+    private long lastCommittedTransactionTime;
 
-    private long lastLogTerm = -1L;
+    private long failedTransactionsCount;
 
-    private long lastLogIndex = -1L;
+    private final AtomicLong failedReadTransactionsCount = new AtomicLong();
 
-    private long currentTerm = -1L;
+    private long abortTransactionsCount;
 
-    private long commitIndex = -1L;
+    private boolean followerInitialSyncStatus = false;
 
-    private long lastApplied = -1L;
+    private Shard shard;
 
-    private Date lastCommittedTransactionTime = new Date(0L);
+    private String statRetrievalError;
 
-    private long failedTransactionsCount = 0L;
+    private String statRetrievalTime;
 
-    private long failedReadTransactionsCount = 0L;
+    private long leadershipChangeCount;
 
-    private long abortTransactionsCount = 0L;
+    private long lastLeadershipChangeTime;
 
-    private SimpleDateFormat sdf =
-        new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
+    public ShardStats(final String shardName, final String mxBeanType) {
+        super(shardName, mxBeanType, JMX_CATEGORY_SHARD);
+    }
 
-    ShardStats(String shardName) {
-        this.shardName = shardName;
+    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();
+                }
+            }
+
+            state = state != null ? state : OnDemandRaftState.builder().build();
+        }
+
+        return state;
+    }
 
     @Override
     public String getShardName() {
-        return shardName;
+        return getMBeanName();
     }
 
     @Override
@@ -68,161 +117,250 @@ public class ShardStats extends AbstractBaseMBean implements ShardStatsMBean {
         return committedTransactionsCount;
     }
 
-    @Override public String getLeader() {
-        return leader;
+    @Override
+    public String getLeader() {
+        return getOnDemandRaftState().getLeader();
     }
 
-    @Override public String getRaftState() {
-        return raftState;
+    @Override
+    public String getRaftState() {
+        return getOnDemandRaftState().getRaftState();
     }
 
-    @Override public long getReadOnlyTransactionCount() {
+    @Override
+    public long getReadOnlyTransactionCount() {
         return readOnlyTransactionCount;
     }
 
-    @Override public long getWriteOnlyTransactionCount() {
+    @Override
+    public long getWriteOnlyTransactionCount() {
         return writeOnlyTransactionCount;
     }
 
-    @Override public long getReadWriteTransactionCount() {
+    @Override
+    public long getReadWriteTransactionCount() {
         return readWriteTransactionCount;
     }
 
-    @Override public long getLastLogIndex() {
-        return lastLogIndex;
+    @Override
+    public long getLastLogIndex() {
+        return getOnDemandRaftState().getLastLogIndex();
     }
 
-    @Override public long getLastLogTerm() {
-        return lastLogTerm;
+    @Override
+    public long getLastLogTerm() {
+        return getOnDemandRaftState().getLastLogTerm();
     }
 
-    @Override public long getCurrentTerm() {
-        return currentTerm;
+    @Override
+    public long getCurrentTerm() {
+        return getOnDemandRaftState().getCurrentTerm();
     }
 
-    @Override public long getCommitIndex() {
-        return commitIndex;
+    @Override
+    public long getCommitIndex() {
+        return getOnDemandRaftState().getCommitIndex();
     }
 
-    @Override public long getLastApplied() {
-        return lastApplied;
+    @Override
+    public long getLastApplied() {
+        return getOnDemandRaftState().getLastApplied();
     }
 
     @Override
-    public String getLastCommittedTransactionTime() {
+    public long getLastIndex() {
+        return getOnDemandRaftState().getLastIndex();
+    }
 
-        return sdf.format(lastCommittedTransactionTime);
+    @Override
+    public long getLastTerm() {
+        return getOnDemandRaftState().getLastTerm();
     }
 
-    @Override public long getFailedTransactionsCount() {
-        return failedTransactionsCount;
+    @Override
+    public long getSnapshotIndex() {
+        return getOnDemandRaftState().getSnapshotIndex();
     }
 
-    @Override public long getFailedReadTransactionsCount() {
-        return failedReadTransactionsCount;
+    @Override
+    public long getSnapshotTerm() {
+        return getOnDemandRaftState().getSnapshotTerm();
     }
 
-    @Override public long getAbortTransactionsCount() {
-        return abortTransactionsCount;
+    @Override
+    public long getReplicatedToAllIndex() {
+        return getOnDemandRaftState().getReplicatedToAllIndex();
     }
 
-    public long incrementCommittedTransactionCount() {
-        return committedTransactionsCount++;
+    @Override
+    public String getVotedFor() {
+        return getOnDemandRaftState().getVotedFor();
     }
 
-    public long incrementReadOnlyTransactionCount() {
-        return readOnlyTransactionCount++;
+    @Override
+    public boolean isVoting() {
+        return getOnDemandRaftState().isVoting();
     }
 
-    public long incrementWriteOnlyTransactionCount() {
-        return writeOnlyTransactionCount++;
+    @Override
+    public String getPeerVotingStates() {
+        return toStringMap(getOnDemandRaftState().getPeerVotingStates());
     }
 
-    public long incrementReadWriteTransactionCount() {
-        return readWriteTransactionCount++;
+    @Override
+    public boolean isSnapshotCaptureInitiated() {
+        return getOnDemandRaftState().isSnapshotCaptureInitiated();
     }
 
-    public long incrementFailedTransactionsCount() {
-        return failedTransactionsCount++;
+    @Override
+    public String getLastCommittedTransactionTime() {
+        return DATE_FORMAT.format(new Date(lastCommittedTransactionTime));
     }
 
-    public long incrementFailedReadTransactionsCount() {
-        return failedReadTransactionsCount++;
+    @Override
+    public long getFailedTransactionsCount() {
+        return failedTransactionsCount;
     }
 
-    public long incrementAbortTransactionsCount () { return abortTransactionsCount++;}
+    @Override
+    public long getFailedReadTransactionsCount() {
+        return failedReadTransactionsCount.get();
+    }
 
-    public void setLeader(String leader) {
-        this.leader = leader;
+    @Override
+    public long getAbortTransactionsCount() {
+        return abortTransactionsCount;
     }
 
-    public void setRaftState(String raftState) {
-        this.raftState = raftState;
+    public long incrementCommittedTransactionCount() {
+        return ++committedTransactionsCount;
     }
 
-    public void setLastLogTerm(long lastLogTerm) {
-        this.lastLogTerm = lastLogTerm;
+    public long incrementReadOnlyTransactionCount() {
+        return ++readOnlyTransactionCount;
     }
 
-    public void setLastLogIndex(long lastLogIndex) {
-        this.lastLogIndex = lastLogIndex;
+    public long incrementWriteOnlyTransactionCount() {
+        return ++writeOnlyTransactionCount;
     }
 
-    public void setCurrentTerm(long currentTerm) {
-        this.currentTerm = currentTerm;
+    public long incrementReadWriteTransactionCount() {
+        return ++readWriteTransactionCount;
     }
 
-    public void setCommitIndex(long commitIndex) {
-        this.commitIndex = commitIndex;
+    public long incrementFailedTransactionsCount() {
+        return ++failedTransactionsCount;
     }
 
-    public void setLastApplied(long lastApplied) {
-        this.lastApplied = lastApplied;
+    public long incrementFailedReadTransactionsCount() {
+        return failedReadTransactionsCount.incrementAndGet();
     }
 
+    public long incrementAbortTransactionsCount() {
+        return ++abortTransactionsCount;
+    }
 
-    public void setLastCommittedTransactionTime(
-        Date lastCommittedTransactionTime) {
+    public void setLastCommittedTransactionTime(final long lastCommittedTransactionTime) {
         this.lastCommittedTransactionTime = lastCommittedTransactionTime;
     }
 
     @Override
-    protected String getMBeanName() {
-        return shardName;
+    public long getInMemoryJournalDataSize() {
+        return getOnDemandRaftState().getInMemoryJournalDataSize();
     }
 
     @Override
-    protected String getMBeanType() {
-        return JMX_TYPE_DISTRIBUTED_DATASTORE;
+    public long getInMemoryJournalLogSize() {
+        return getOnDemandRaftState().getInMemoryJournalLogSize();
     }
 
+    /**
+     * Resets the counters related to transactions.
+     */
     @Override
-    protected String getMBeanCategory() {
-        return JMX_CATEGORY_SHARD;
+    public void resetTransactionCounters() {
+        committedTransactionsCount = 0;
+
+        readOnlyTransactionCount = 0;
+
+        writeOnlyTransactionCount = 0;
+
+        readWriteTransactionCount = 0;
+
+        lastCommittedTransactionTime = 0;
+
+        failedTransactionsCount = 0;
+
+        failedReadTransactionsCount.set(0);
+
+        abortTransactionsCount = 0;
+
     }
 
-    /**
-     * resets the counters related to transactions
-     */
+    public void setFollowerInitialSyncStatus(boolean followerInitialSyncStatus) {
+        this.followerInitialSyncStatus = followerInitialSyncStatus;
+    }
 
-    public void resetTransactionCounters(){
-        committedTransactionsCount = 0L;
+    @Override
+    public boolean getFollowerInitialSyncStatus() {
+        return followerInitialSyncStatus;
+    }
 
-        readOnlyTransactionCount = 0L;
+    @Override
+    public List<FollowerInfo> getFollowerInfo() {
+        return getOnDemandRaftState().getFollowerInfoList();
+    }
 
-        writeOnlyTransactionCount = 0L;
+    @Override
+    public String getPeerAddresses() {
+        return toStringMap(getOnDemandRaftState().getPeerAddresses());
+    }
 
-        readWriteTransactionCount = 0L;
+    private static String toStringMap(Map<?, ?> map) {
+        return Joiner.on(", ").withKeyValueSeparator(": ").join(map);
+    }
 
-        lastCommittedTransactionTime = new Date(0L);
+    @Override
+    public String getStatRetrievalTime() {
+        getOnDemandRaftState();
+        return statRetrievalTime;
+    }
 
-        failedTransactionsCount = 0L;
+    @Override
+    public String getStatRetrievalError() {
+        getOnDemandRaftState();
+        return statRetrievalError;
+    }
 
-        failedReadTransactionsCount = 0L;
+    @Override
+    public long getLeadershipChangeCount() {
+        return leadershipChangeCount;
+    }
+
+    public void incrementLeadershipChangeCount() {
+        leadershipChangeCount++;
+        lastLeadershipChangeTime = System.currentTimeMillis();
+    }
 
-        abortTransactionsCount = 0L;
+    @Override
+    public String getLastLeadershipChangeTime() {
+        return DATE_FORMAT.format(new Date(lastLeadershipChangeTime));
+    }
 
+    @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());
+        }
+    }
 }