Examples with ELECTION_TIMEOUT_MILLIS org.apache.ignite.raft.jraft.core.TestCluster.ELECTION_TIMEOUT_MILLIS used on opensource projects

Example 1 with ELECTION_TIMEOUT_MILLIS

use of org.apache.ignite.raft.jraft.core.TestCluster.ELECTION_TIMEOUT_MILLIS in project ignite-3 by apache.

the class ItNodeTest method testLeaderTransferWithReplicatorStateListener.

@Test
public void testLeaderTransferWithReplicatorStateListener() throws Exception {
    List<PeerId> peers = TestUtils.generatePeers(3);
    cluster = new TestCluster("unitest", dataPath, peers, new LinkedHashSet<>(), ELECTION_TIMEOUT_MILLIS, opts -> opts.setReplicationStateListeners(List.of(new UserReplicatorStateListener())), testInfo);
    for (PeerId peer : peers) assertTrue(cluster.start(peer.getEndpoint()));
    cluster.waitLeader();
    Node leader = cluster.getLeader();
    cluster.ensureLeader(leader);
    sendTestTaskAndWait(leader);
    Thread.sleep(100);
    List<Node> followers = cluster.getFollowers();
    assertTrue(waitForCondition(() -> startedCounter.get() == 2, 5_000), startedCounter.get() + "");
    PeerId targetPeer = followers.get(0).getNodeId().getPeerId().copy();
    LOG.info("Transfer leadership from {} to {}", leader, targetPeer);
    assertTrue(leader.transferLeadershipTo(targetPeer).isOk());
    Thread.sleep(1000);
    cluster.waitLeader();
    assertTrue(waitForCondition(() -> startedCounter.get() == 4, 5_000), startedCounter.get() + "");
    for (Node node : cluster.getNodes()) node.clearReplicatorStateListeners();
    assertEquals(0, cluster.getLeader().getReplicatorStateListeners().size());
    assertEquals(0, cluster.getFollowers().get(0).getReplicatorStateListeners().size());
    assertEquals(0, cluster.getFollowers().get(1).getReplicatorStateListeners().size());
}

Example 2 with ELECTION_TIMEOUT_MILLIS

use of org.apache.ignite.raft.jraft.core.TestCluster.ELECTION_TIMEOUT_MILLIS in project ignite-3 by apache.

the class ItNodeTest method testElectionTimeoutAutoAdjustWhenBlockedMessages.

private void testElectionTimeoutAutoAdjustWhenBlockedMessages(BiPredicate<Object, String> blockingPredicate) throws Exception {
    List<PeerId> peers = TestUtils.generatePeers(4);
    int maxElectionRoundsWithoutAdjusting = 3;
    cluster = new TestCluster("unittest", dataPath, peers, new LinkedHashSet<>(), ELECTION_TIMEOUT_MILLIS, opts -> opts.setElectionTimeoutStrategy(new ExponentialBackoffTimeoutStrategy(11_000, maxElectionRoundsWithoutAdjusting)), testInfo);
    for (PeerId peer : peers) {
        assertTrue(cluster.start(peer.getEndpoint()));
    }
    cluster.waitLeader();
    Node leader = cluster.getLeader();
    int initElectionTimeout = leader.getOptions().getElectionTimeoutMs();
    LOG.warn("Current leader {}, electTimeout={}", leader.getNodeId().getPeerId(), leader.getOptions().getElectionTimeoutMs());
    List<Node> followers = cluster.getFollowers();
    for (Node follower : followers) {
        NodeImpl follower0 = (NodeImpl) follower;
        assertEquals(initElectionTimeout, follower0.getOptions().getElectionTimeoutMs());
    }
    blockMessagesOnFollowers(followers, blockingPredicate);
    LOG.warn("Stop leader {}, curTerm={}", leader.getNodeId().getPeerId(), ((NodeImpl) leader).getCurrentTerm());
    assertTrue(cluster.stop(leader.getNodeId().getPeerId().getEndpoint()));
    assertNull(cluster.getLeader());
    assertTrue(waitForCondition(() -> followers.stream().allMatch(f -> f.getOptions().getElectionTimeoutMs() > initElectionTimeout), (long) maxElectionRoundsWithoutAdjusting * // need to multiply to 2 because stepDown happens after voteTimer timeout
    (initElectionTimeout + followers.get(0).getOptions().getRaftOptions().getMaxElectionDelayMs()) * 2));
    stopBlockingMessagesOnFollowers(followers);
    // elect new leader
    cluster.waitLeader();
    leader = cluster.getLeader();
    LOG.info("Elected new leader is {}, curTerm={}", leader.getLeaderId(), ((NodeImpl) leader).getCurrentTerm());
    assertTrue(waitForCondition(() -> followers.stream().allMatch(f -> f.getOptions().getElectionTimeoutMs() == initElectionTimeout), 3_000));
}

Example 3 with ELECTION_TIMEOUT_MILLIS

use of org.apache.ignite.raft.jraft.core.TestCluster.ELECTION_TIMEOUT_MILLIS in project ignite-3 by apache.

the class ItNodeTest method testTripleNodesWithReplicatorStateListener.

@Test
public void testTripleNodesWithReplicatorStateListener() throws Exception {
    List<PeerId> peers = TestUtils.generatePeers(3);
    // final TestCluster cluster = new TestCluster("unittest", this.dataPath, peers);
    UserReplicatorStateListener listener1 = new UserReplicatorStateListener();
    UserReplicatorStateListener listener2 = new UserReplicatorStateListener();
    cluster = new TestCluster("unitest", dataPath, peers, new LinkedHashSet<>(), ELECTION_TIMEOUT_MILLIS, opts -> opts.setReplicationStateListeners(List.of(listener1, listener2)), testInfo);
    for (PeerId peer : peers) assertTrue(cluster.start(peer.getEndpoint()));
    // elect leader
    cluster.waitLeader();
    cluster.ensureLeader(cluster.getLeader());
    for (Node follower : cluster.getFollowers()) waitForCondition(() -> follower.getLeaderId() != null, 5_000);
    assertEquals(4, startedCounter.get());
    assertEquals(2, cluster.getLeader().getReplicatorStateListeners().size());
    assertEquals(2, cluster.getFollowers().get(0).getReplicatorStateListeners().size());
    assertEquals(2, cluster.getFollowers().get(1).getReplicatorStateListeners().size());
    for (Node node : cluster.getNodes()) node.removeReplicatorStateListener(listener1);
    assertEquals(1, cluster.getLeader().getReplicatorStateListeners().size());
    assertEquals(1, cluster.getFollowers().get(0).getReplicatorStateListeners().size());
    assertEquals(1, cluster.getFollowers().get(1).getReplicatorStateListeners().size());
}