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%2FDefaultConfigParamsImpl.java;h=37ed729bed3e4edaf8f5f013c6a497edb8ba7eb6;hp=3e6742c17d37c178d30c7d570490ff993c068806;hb=7cb260aeb0738104e3bee8a086de9e2e5f77b7e0;hpb=e3998d55e33da9f6ecb69da75ecc71a047b6362b diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/DefaultConfigParamsImpl.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/DefaultConfigParamsImpl.java index 3e6742c17d..37ed729bed 100644 --- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/DefaultConfigParamsImpl.java +++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/DefaultConfigParamsImpl.java @@ -7,22 +7,37 @@ */ package org.opendaylight.controller.cluster.raft; +import static com.google.common.base.Preconditions.checkArgument; +import static java.util.Objects.requireNonNull; + +import com.google.common.base.Strings; +import com.google.common.base.Suppliers; import java.util.concurrent.TimeUnit; +import java.util.function.Supplier; +import org.eclipse.jdt.annotation.NonNull; +import org.opendaylight.controller.cluster.raft.policy.DefaultRaftPolicy; +import org.opendaylight.controller.cluster.raft.policy.RaftPolicy; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; import scala.concurrent.duration.FiniteDuration; /** - * Default implementation of the ConfigParams - * - * If no implementation is provided for ConfigParams, then this will be used. + * Default implementation of the ConfigParams. */ public class DefaultConfigParamsImpl implements ConfigParams { + private static final Logger LOG = LoggerFactory.getLogger(DefaultConfigParamsImpl.class); + private static final int SNAPSHOT_BATCH_COUNT = 20000; + /** + * Interval after which a snapshot should be taken during the recovery process. 0 if never. + */ + private static final int RECOVERY_SNAPSHOT_INTERVAL_SECONDS = 0; private static final int JOURNAL_RECOVERY_LOG_BATCH_SIZE = 1000; /** - * The maximum election time variance + * The maximum election time variance. */ private static final int ELECTION_TIME_MAX_VARIANCE = 100; @@ -31,47 +46,104 @@ public class DefaultConfigParamsImpl implements ConfigParams { /** * The interval at which a heart beat message will be sent to the remote - * RaftActor - *

+ * RaftActor. + * + *

* Since this is set to 100 milliseconds the Election timeout should be * at least 200 milliseconds */ public static final FiniteDuration HEART_BEAT_INTERVAL = new FiniteDuration(100, TimeUnit.MILLISECONDS); + private final Supplier policySupplier = Suppliers.memoize(this::getPolicy); + private FiniteDuration heartBeatInterval = HEART_BEAT_INTERVAL; private long snapshotBatchCount = SNAPSHOT_BATCH_COUNT; private int journalRecoveryLogBatchSize = JOURNAL_RECOVERY_LOG_BATCH_SIZE; + private int recoverySnapshotIntervalSeconds = RECOVERY_SNAPSHOT_INTERVAL_SECONDS; private long isolatedLeaderCheckInterval = HEART_BEAT_INTERVAL.$times(1000).toMillis(); + private FiniteDuration electionTimeOutInterval; // 12 is just an arbitrary percentage. This is the amount of the total memory that a raft actor's // in-memory journal can use before it needs to snapshot private int snapshotDataThresholdPercentage = 12; + // max size of in-memory journal in MB + // 0 means direct threshold if disabled + private int snapshotDataThreshold = 0; + + private int snapshotChunkSize = SNAPSHOT_CHUNK_SIZE; + private long electionTimeoutFactor = 2; + private long candidateElectionTimeoutDivisor = 1; + private String customRaftPolicyImplementationClass; - public void setHeartBeatInterval(FiniteDuration heartBeatInterval) { + private PeerAddressResolver peerAddressResolver = NoopPeerAddressResolver.INSTANCE; + + private String tempFileDirectory = ""; + + private int fileBackedStreamingThreshold = 128 * MEGABYTE; + + private long syncIndexThreshold = 10; + + public void setHeartBeatInterval(final FiniteDuration heartBeatInterval) { this.heartBeatInterval = heartBeatInterval; + electionTimeOutInterval = null; } - public void setSnapshotBatchCount(long snapshotBatchCount) { + public void setSnapshotBatchCount(final long snapshotBatchCount) { this.snapshotBatchCount = snapshotBatchCount; } - public void setSnapshotDataThresholdPercentage(int snapshotDataThresholdPercentage){ + public void setRecoverySnapshotIntervalSeconds(int recoverySnapshotInterval) { + checkArgument(recoverySnapshotInterval >= 0); + this.recoverySnapshotIntervalSeconds = recoverySnapshotInterval; + } + + public void setSnapshotDataThresholdPercentage(final int snapshotDataThresholdPercentage) { this.snapshotDataThresholdPercentage = snapshotDataThresholdPercentage; } - public void setJournalRecoveryLogBatchSize(int journalRecoveryLogBatchSize) { + public void setSnapshotDataThreshold(final int snapshotDataThreshold) { + this.snapshotDataThreshold = snapshotDataThreshold; + } + + public void setSnapshotChunkSize(final int snapshotChunkSize) { + this.snapshotChunkSize = snapshotChunkSize; + } + + public void setJournalRecoveryLogBatchSize(final int journalRecoveryLogBatchSize) { this.journalRecoveryLogBatchSize = journalRecoveryLogBatchSize; } - public void setIsolatedLeaderCheckInterval(FiniteDuration isolatedLeaderCheckInterval) { + public void setIsolatedLeaderCheckInterval(final FiniteDuration isolatedLeaderCheckInterval) { this.isolatedLeaderCheckInterval = isolatedLeaderCheckInterval.toMillis(); } - public void setElectionTimeoutFactor(long electionTimeoutFactor){ + public void setElectionTimeoutFactor(final long electionTimeoutFactor) { this.electionTimeoutFactor = electionTimeoutFactor; + electionTimeOutInterval = null; + } + + public void setCandidateElectionTimeoutDivisor(final long candidateElectionTimeoutDivisor) { + this.candidateElectionTimeoutDivisor = candidateElectionTimeoutDivisor; + } + + public void setTempFileDirectory(final String tempFileDirectory) { + this.tempFileDirectory = tempFileDirectory; + } + + public void setFileBackedStreamingThreshold(final int fileBackedStreamingThreshold) { + this.fileBackedStreamingThreshold = fileBackedStreamingThreshold; + } + + public void setCustomRaftPolicyImplementationClass(final String customRaftPolicyImplementationClass) { + this.customRaftPolicyImplementationClass = customRaftPolicyImplementationClass; + } + + @Override + public String getCustomRaftPolicyImplementationClass() { + return customRaftPolicyImplementationClass; } @Override @@ -84,6 +156,15 @@ public class DefaultConfigParamsImpl implements ConfigParams { return snapshotDataThresholdPercentage; } + @Override + public int getSnapshotDataThreshold() { + return snapshotDataThreshold; + } + + @Override + public int getRecoverySnapshotIntervalSeconds() { + return this.recoverySnapshotIntervalSeconds; + } @Override public FiniteDuration getHeartBeatInterval() { @@ -92,7 +173,16 @@ public class DefaultConfigParamsImpl implements ConfigParams { @Override public FiniteDuration getElectionTimeOutInterval() { - return getHeartBeatInterval().$times(electionTimeoutFactor); + if (electionTimeOutInterval == null) { + electionTimeOutInterval = getHeartBeatInterval().$times(electionTimeoutFactor); + } + + return electionTimeOutInterval; + } + + @Override + public long getCandidateElectionTimeoutDivisor() { + return candidateElectionTimeoutDivisor; } @Override @@ -102,7 +192,7 @@ public class DefaultConfigParamsImpl implements ConfigParams { @Override public int getSnapshotChunkSize() { - return SNAPSHOT_CHUNK_SIZE; + return snapshotChunkSize; } @Override @@ -119,4 +209,61 @@ public class DefaultConfigParamsImpl implements ConfigParams { public long getElectionTimeoutFactor() { return electionTimeoutFactor; } + + @Override + public RaftPolicy getRaftPolicy() { + return policySupplier.get(); + } + + @Override + public String getTempFileDirectory() { + return tempFileDirectory; + } + + @Override + public int getFileBackedStreamingThreshold() { + return fileBackedStreamingThreshold; + } + + + @Override + public PeerAddressResolver getPeerAddressResolver() { + return peerAddressResolver; + } + + public void setPeerAddressResolver(final @NonNull PeerAddressResolver peerAddressResolver) { + this.peerAddressResolver = requireNonNull(peerAddressResolver); + } + + @Override + public long getSyncIndexThreshold() { + return syncIndexThreshold; + } + + public void setSyncIndexThreshold(final long syncIndexThreshold) { + checkArgument(syncIndexThreshold >= 0); + this.syncIndexThreshold = syncIndexThreshold; + } + + @SuppressWarnings("checkstyle:IllegalCatch") + private RaftPolicy getPolicy() { + if (Strings.isNullOrEmpty(DefaultConfigParamsImpl.this.customRaftPolicyImplementationClass)) { + LOG.debug("No custom RaftPolicy specified. Using DefaultRaftPolicy"); + return DefaultRaftPolicy.INSTANCE; + } + + try { + String className = DefaultConfigParamsImpl.this.customRaftPolicyImplementationClass; + LOG.info("Trying to use custom RaftPolicy {}", className); + return (RaftPolicy)Class.forName(className).getDeclaredConstructor().newInstance(); + } catch (ClassCastException | ReflectiveOperationException e) { + if (LOG.isDebugEnabled()) { + LOG.error("Could not create custom raft policy, will stick with default", e); + } else { + LOG.error("Could not create custom raft policy, will stick with default : cause = {}", + e.getMessage()); + } + } + return DefaultRaftPolicy.INSTANCE; + } }