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Use a low raft leader election timeout when cluster size is one

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Change-Id: I0755411f0b20b8e4cd8f8f2fa58e173add4f32dc
This commit is contained in:
Madan Jampani 2015-04-02 15:29:26 -07:00 committed by Gerrit Code Review
parent 864cdd6a48
commit 1a4eca0459
1 changed files with 13 additions and 6 deletions
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19
core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DatabaseManager.java vendored
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@ -85,8 +85,7 @@ public class DatabaseManager implements StorageService, StorageAdminService {
public static final String BASE_PARTITION_NAME = "p0";
private static final int DATABASE_STARTUP_TIMEOUT_SEC = 60;
private static final int RAFT_ELECTION_TIMEOUT = 3000;
private static final int RAFT_HEARTBEAT_TIMEOUT = 1500;
private static final int RAFT_ELECTION_TIMEOUT_MILLIS = 3000;
private static final int DATABASE_OPERATION_TIMEOUT_MILLIS = 5000;
private ClusterCoordinator coordinator;
@ -132,8 +131,8 @@ public class DatabaseManager implements StorageService, StorageAdminService {
ClusterConfig clusterConfig = new ClusterConfig()
.withProtocol(newNettyProtocol())
.withElectionTimeout(RAFT_ELECTION_TIMEOUT)
.withHeartbeatInterval(RAFT_HEARTBEAT_TIMEOUT)
.withElectionTimeout(electionTimeoutMillis(activeNodeUris))
.withHeartbeatInterval(heartbeatTimeoutMillis(activeNodeUris))
.withMembers(activeNodeUris)
.withLocalMember(localNodeUri);
@ -264,14 +263,22 @@ public class DatabaseManager implements StorageService, StorageAdminService {
private DatabaseConfig newDatabaseConfig(String name, Log log, String[] replicas) {
return new DatabaseConfig()
.withName(name)
.withElectionTimeout(RAFT_ELECTION_TIMEOUT)
.withHeartbeatInterval(RAFT_HEARTBEAT_TIMEOUT)
.withElectionTimeout(electionTimeoutMillis(replicas))
.withHeartbeatInterval(heartbeatTimeoutMillis(replicas))
.withConsistency(Consistency.STRONG)
.withLog(log)
.withDefaultSerializer(new DatabaseSerializer())
.withReplicas(replicas);
}
private long electionTimeoutMillis(String[] replicas) {
return replicas.length == 1 ? 10L : RAFT_ELECTION_TIMEOUT_MILLIS;
}
private long heartbeatTimeoutMillis(String[] replicas) {
return electionTimeoutMillis(replicas) / 2;
}
/**
* Maps a Raft Database object to a PartitionInfo object.
*