X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-akka-raft%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fraft%2FSnapshotManager.java;h=b195686d2092ff4f54353a6d18295c62ebfe9bec;hp=9571173175ff220aa3fb5b6b9ba757eee150ffe4;hb=dc538304e4d5f91185c140cc227575f4305344df;hpb=f1c3050779d7770ef6a12a67a1870765c3dfd9eb diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/SnapshotManager.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/SnapshotManager.java index 9571173175..b195686d20 100644 --- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/SnapshotManager.java +++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/SnapshotManager.java @@ -8,10 +8,10 @@ package org.opendaylight.controller.cluster.raft; -import akka.japi.Procedure; import akka.persistence.SnapshotSelectionCriteria; import com.google.common.annotations.VisibleForTesting; import java.util.List; +import java.util.function.Consumer; import org.opendaylight.controller.cluster.raft.base.messages.ApplySnapshot; import org.opendaylight.controller.cluster.raft.base.messages.CaptureSnapshot; import org.opendaylight.controller.cluster.raft.base.messages.SendInstallSnapshot; @@ -37,10 +37,10 @@ public class SnapshotManager implements SnapshotState { private CaptureSnapshot captureSnapshot; private long lastSequenceNumber = -1; - private Procedure createSnapshotProcedure; + private Runnable createSnapshotProcedure; private ApplySnapshot applySnapshot; - private Procedure applySnapshotProcedure; + private Consumer applySnapshotProcedure; public SnapshotManager(RaftActorContext context, Logger logger) { this.context = context; @@ -72,13 +72,13 @@ public class SnapshotManager implements SnapshotState { } @Override - public void persist(byte[] snapshotBytes, RaftActorBehavior currentBehavior, long totalMemory) { - currentState.persist(snapshotBytes, currentBehavior, totalMemory); + public void persist(final byte[] snapshotBytes, final long totalMemory) { + currentState.persist(snapshotBytes, totalMemory); } @Override - public void commit(long sequenceNumber, RaftActorBehavior currentBehavior) { - currentState.commit(sequenceNumber, currentBehavior); + public void commit(final long sequenceNumber) { + currentState.commit(sequenceNumber); } @Override @@ -87,15 +87,15 @@ public class SnapshotManager implements SnapshotState { } @Override - public long trimLog(long desiredTrimIndex, RaftActorBehavior currentBehavior) { - return currentState.trimLog(desiredTrimIndex, currentBehavior); + public long trimLog(final long desiredTrimIndex) { + return currentState.trimLog(desiredTrimIndex); } - public void setCreateSnapshotCallable(Procedure createSnapshotProcedure) { + public void setCreateSnapshotRunnable(Runnable createSnapshotProcedure) { this.createSnapshotProcedure = createSnapshotProcedure; } - public void setApplySnapshotProcedure(Procedure applySnapshotProcedure) { + public void setApplySnapshotConsumer(Consumer applySnapshotProcedure) { this.applySnapshotProcedure = applySnapshotProcedure; } @@ -139,8 +139,8 @@ public class SnapshotManager implements SnapshotState { lastLogEntryIndex = lastLogEntry.getIndex(); lastLogEntryTerm = lastLogEntry.getTerm(); } else { - LOG.warn("Capturing Snapshot : lastLogEntry is null. Using lastAppliedIndex {} and lastAppliedTerm {} instead.", - lastAppliedIndex, lastAppliedTerm); + LOG.debug("{}: Capturing Snapshot : lastLogEntry is null. Using lastAppliedIndex {} and lastAppliedTerm {} instead.", + persistenceId(), lastAppliedIndex, lastAppliedTerm); } return new CaptureSnapshot(lastLogEntryIndex, lastLogEntryTerm, lastAppliedIndex, lastAppliedTerm, @@ -172,12 +172,12 @@ public class SnapshotManager implements SnapshotState { } @Override - public void persist(byte[] snapshotBytes, RaftActorBehavior currentBehavior, long totalMemory) { + public void persist(final byte[] snapshotBytes, final long totalMemory) { LOG.debug("persist should not be called in state {}", this); } @Override - public void commit(long sequenceNumber, RaftActorBehavior currentBehavior) { + public void commit(final long sequenceNumber) { LOG.debug("commit should not be called in state {}", this); } @@ -187,12 +187,12 @@ public class SnapshotManager implements SnapshotState { } @Override - public long trimLog(long desiredTrimIndex, RaftActorBehavior currentBehavior) { + public long trimLog(final long desiredTrimIndex) { LOG.debug("trimLog should not be called in state {}", this); return -1; } - protected long doTrimLog(long desiredTrimIndex, RaftActorBehavior currentBehavior){ + protected long doTrimLog(final long desiredTrimIndex) { // we would want to keep the lastApplied as its used while capturing snapshots long lastApplied = context.getLastApplied(); long tempMin = Math.min(desiredTrimIndex, (lastApplied > -1 ? lastApplied - 1 : -1)); @@ -211,7 +211,10 @@ public class SnapshotManager implements SnapshotState { context.getReplicatedLog().snapshotPreCommit(tempMin, entry.getTerm()); context.getReplicatedLog().snapshotCommit(); return tempMin; - } else if(tempMin > currentBehavior.getReplicatedToAllIndex()) { + } + + final RaftActorBehavior currentBehavior = context.getCurrentBehavior(); + if(tempMin > currentBehavior.getReplicatedToAllIndex()) { // It's possible a follower was lagging and an install snapshot advanced its match index past // the current replicatedToAllIndex. Since the follower is now caught up we should advance the // replicatedToAllIndex (to tempMin). The fact that tempMin wasn't found in the log is likely @@ -242,12 +245,12 @@ public class SnapshotManager implements SnapshotState { lastSequenceNumber = context.getPersistenceProvider().getLastSequenceNumber(); - LOG.debug("lastSequenceNumber prior to capture: {}", lastSequenceNumber); + LOG.debug("{}: lastSequenceNumber prior to capture: {}", persistenceId(), lastSequenceNumber); SnapshotManager.this.currentState = CREATING; try { - createSnapshotProcedure.apply(null); + createSnapshotProcedure.run(); } catch (Exception e) { SnapshotManager.this.currentState = IDLE; LOG.error("Error creating snapshot", e); @@ -286,15 +289,15 @@ public class SnapshotManager implements SnapshotState { } @Override - public long trimLog(long desiredTrimIndex, RaftActorBehavior currentBehavior) { - return doTrimLog(desiredTrimIndex, currentBehavior); + public long trimLog(final long desiredTrimIndex) { + return doTrimLog(desiredTrimIndex); } } private class Creating extends AbstractSnapshotState { @Override - public void persist(byte[] snapshotBytes, RaftActorBehavior currentBehavior, long totalMemory) { + public void persist(final byte[] snapshotBytes, final long totalMemory) { // create a snapshot object from the state provided and save it // when snapshot is saved async, SaveSnapshotSuccess is raised. @@ -303,7 +306,7 @@ public class SnapshotManager implements SnapshotState { captureSnapshot.getLastIndex(), captureSnapshot.getLastTerm(), captureSnapshot.getLastAppliedIndex(), captureSnapshot.getLastAppliedTerm(), context.getTermInformation().getCurrentTerm(), - context.getTermInformation().getVotedFor()); + context.getTermInformation().getVotedFor(), context.getPeerServerInfo(true)); context.getPersistenceProvider().saveSnapshot(snapshot); @@ -316,6 +319,7 @@ public class SnapshotManager implements SnapshotState { boolean logSizeExceededSnapshotBatchCount = context.getReplicatedLog().size() >= context.getConfigParams().getSnapshotBatchCount(); + final RaftActorBehavior currentBehavior = context.getCurrentBehavior(); if (dataSizeThresholdExceeded || logSizeExceededSnapshotBatchCount) { if(LOG.isDebugEnabled()) { if(dataSizeThresholdExceeded) { @@ -381,29 +385,33 @@ public class SnapshotManager implements SnapshotState { private class Persisting extends AbstractSnapshotState { @Override - public void commit(long sequenceNumber, RaftActorBehavior currentBehavior) { - LOG.debug("Snapshot success sequence number: {}", sequenceNumber); + public void commit(final long sequenceNumber) { + LOG.debug("{}: Snapshot success - sequence number: {}", persistenceId(), sequenceNumber); if(applySnapshot != null) { try { Snapshot snapshot = applySnapshot.getSnapshot(); - applySnapshotProcedure.apply(snapshot.getState()); //clears the followers log, sets the snapshot index to ensure adjusted-index works - context.setReplicatedLog(ReplicatedLogImpl.newInstance(snapshot, context, currentBehavior)); + context.setReplicatedLog(ReplicatedLogImpl.newInstance(snapshot, context)); context.setLastApplied(snapshot.getLastAppliedIndex()); context.setCommitIndex(snapshot.getLastAppliedIndex()); + context.getTermInformation().update(snapshot.getElectionTerm(), snapshot.getElectionVotedFor()); + + if(snapshot.getState().length > 0 ) { + applySnapshotProcedure.accept(snapshot.getState()); + } applySnapshot.getCallback().onSuccess(); } catch (Exception e) { - LOG.error("Error applying snapshot", e); + LOG.error("{}: Error applying snapshot", context.getId(), e); } } else { context.getReplicatedLog().snapshotCommit(); } context.getPersistenceProvider().deleteSnapshots(new SnapshotSelectionCriteria( - sequenceNumber - context.getConfigParams().getSnapshotBatchCount(), 43200000)); + sequenceNumber - context.getConfigParams().getSnapshotBatchCount(), Long.MAX_VALUE, 0L, 0L)); context.getPersistenceProvider().deleteMessages(lastSequenceNumber);