*/
package org.opendaylight.controller.cluster.raft;
-import scala.concurrent.duration.FiniteDuration;
-
import java.util.concurrent.TimeUnit;
+import scala.concurrent.duration.FiniteDuration;
/**
* Default implementation of the ConfigParams
public static final FiniteDuration HEART_BEAT_INTERVAL =
new FiniteDuration(100, TimeUnit.MILLISECONDS);
-
private FiniteDuration heartBeatInterval = HEART_BEAT_INTERVAL;
private long snapshotBatchCount = SNAPSHOT_BATCH_COUNT;
private int journalRecoveryLogBatchSize = JOURNAL_RECOVERY_LOG_BATCH_SIZE;
+ private long isolatedLeaderCheckInterval = HEART_BEAT_INTERVAL.$times(1000).toMillis();
+ private FiniteDuration electionTimeOutInterval;
+
+ // 12 is just an arbitrary percentage. This is the amount of the total memory that a raft actor's
+ // in-memory journal can use before it needs to snapshot
+ private int snapshotDataThresholdPercentage = 12;
+
+ private long electionTimeoutFactor = 2;
public void setHeartBeatInterval(FiniteDuration heartBeatInterval) {
this.heartBeatInterval = heartBeatInterval;
+ electionTimeOutInterval = null;
}
public void setSnapshotBatchCount(long snapshotBatchCount) {
this.snapshotBatchCount = snapshotBatchCount;
}
+ public void setSnapshotDataThresholdPercentage(int snapshotDataThresholdPercentage){
+ this.snapshotDataThresholdPercentage = snapshotDataThresholdPercentage;
+ }
+
public void setJournalRecoveryLogBatchSize(int journalRecoveryLogBatchSize) {
this.journalRecoveryLogBatchSize = journalRecoveryLogBatchSize;
}
+ public void setIsolatedLeaderCheckInterval(FiniteDuration isolatedLeaderCheckInterval) {
+ this.isolatedLeaderCheckInterval = isolatedLeaderCheckInterval.toMillis();
+ }
+
+ public void setElectionTimeoutFactor(long electionTimeoutFactor){
+ this.electionTimeoutFactor = electionTimeoutFactor;
+ electionTimeOutInterval = null;
+ }
+
@Override
public long getSnapshotBatchCount() {
return snapshotBatchCount;
}
+ @Override
+ public int getSnapshotDataThresholdPercentage() {
+ return snapshotDataThresholdPercentage;
+ }
+
+
@Override
public FiniteDuration getHeartBeatInterval() {
return heartBeatInterval;
@Override
public FiniteDuration getElectionTimeOutInterval() {
- // returns 2 times the heart beat interval
- return getHeartBeatInterval().$times(2);
+ if(electionTimeOutInterval == null) {
+ electionTimeOutInterval = getHeartBeatInterval().$times(electionTimeoutFactor);
+ }
+
+ return electionTimeOutInterval;
}
@Override
public int getJournalRecoveryLogBatchSize() {
return journalRecoveryLogBatchSize;
}
+
+ @Override
+ public long getIsolatedCheckIntervalInMillis() {
+ return isolatedLeaderCheckInterval;
+ }
+
+ @Override
+ public long getElectionTimeoutFactor() {
+ return electionTimeoutFactor;
+ }
}