Examples with RedisClusterMaster org.redisson.api.redisnode.RedisClusterMaster used on opensource projects

Example 1 with RedisClusterMaster

use of org.redisson.api.redisnode.RedisClusterMaster in project redisson by redisson.

the class RedissonTest method testFailoverWithoutErrorsInCluster.

@Test
public void testFailoverWithoutErrorsInCluster() throws Exception {
    RedisRunner master1 = new RedisRunner().port(6890).randomDir().nosave();
    RedisRunner master2 = new RedisRunner().port(6891).randomDir().nosave();
    RedisRunner master3 = new RedisRunner().port(6892).randomDir().nosave();
    RedisRunner slave1 = new RedisRunner().port(6900).randomDir().nosave();
    RedisRunner slave2 = new RedisRunner().port(6901).randomDir().nosave();
    RedisRunner slave3 = new RedisRunner().port(6902).randomDir().nosave();
    ClusterRunner clusterRunner = new ClusterRunner().addNode(master1, slave1).addNode(master2, slave2).addNode(master3, slave3);
    ClusterProcesses process = clusterRunner.run();
    Config config = new Config();
    config.useClusterServers().setRetryAttempts(30).setReadMode(ReadMode.MASTER).setSubscriptionMode(SubscriptionMode.MASTER).setLoadBalancer(new RandomLoadBalancer()).addNodeAddress(process.getNodes().stream().findAny().get().getRedisServerAddressAndPort());
    RedissonClient redisson = Redisson.create(config);
    RedisProcess master = process.getNodes().stream().filter(x -> x.getRedisServerPort() == master1.getPort()).findFirst().get();
    List<RFuture<?>> futures = new ArrayList<RFuture<?>>();
    Set<InetSocketAddress> oldMasters = new HashSet<>();
    Collection<RedisClusterMaster> masterNodes = redisson.getRedisNodes(RedisNodes.CLUSTER).getMasters();
    for (RedisClusterMaster clusterNode : masterNodes) {
        oldMasters.add(clusterNode.getAddr());
    }
    master.stop();
    for (int j = 0; j < 2000; j++) {
        RFuture<?> f2 = redisson.getBucket("" + j).setAsync("");
        futures.add(f2);
    }
    System.out.println("master " + master.getRedisServerAddressAndPort() + " has been stopped!");
    Thread.sleep(TimeUnit.SECONDS.toMillis(40));
    RedisProcess newMaster = null;
    Collection<RedisClusterMaster> newMasterNodes = redisson.getRedisNodes(RedisNodes.CLUSTER).getMasters();
    for (RedisClusterMaster clusterNode : newMasterNodes) {
        if (!oldMasters.contains(clusterNode.getAddr())) {
            newMaster = process.getNodes().stream().filter(x -> x.getRedisServerPort() == clusterNode.getAddr().getPort()).findFirst().get();
            break;
        }
    }
    assertThat(newMaster).isNotNull();
    for (RFuture<?> rFuture : futures) {
        try {
            rFuture.toCompletableFuture().join();
        } catch (Exception e) {
        // skip
        }
        if (!rFuture.isSuccess()) {
            Assertions.fail();
        }
    }
    redisson.shutdown();
    process.shutdown();
}

Example 2 with RedisClusterMaster

use of org.redisson.api.redisnode.RedisClusterMaster in project redisson by redisson.

the class RedissonTest method testFailoverInCluster.

@Test
public void testFailoverInCluster() throws Exception {
    RedisRunner master1 = new RedisRunner().port(6890).randomDir().nosave();
    RedisRunner master2 = new RedisRunner().port(6891).randomDir().nosave();
    RedisRunner master3 = new RedisRunner().port(6892).randomDir().nosave();
    RedisRunner slave1 = new RedisRunner().port(6900).randomDir().nosave();
    RedisRunner slave2 = new RedisRunner().port(6901).randomDir().nosave();
    RedisRunner slave3 = new RedisRunner().port(6902).randomDir().nosave();
    RedisRunner slave4 = new RedisRunner().port(6903).randomDir().nosave();
    ClusterRunner clusterRunner = new ClusterRunner().addNode(master1, slave1, slave4).addNode(master2, slave2).addNode(master3, slave3);
    ClusterProcesses process = clusterRunner.run();
    Thread.sleep(5000);
    Config config = new Config();
    config.useClusterServers().setLoadBalancer(new RandomLoadBalancer()).addNodeAddress(process.getNodes().stream().findAny().get().getRedisServerAddressAndPort());
    RedissonClient redisson = Redisson.create(config);
    RedisProcess master = process.getNodes().stream().filter(x -> x.getRedisServerPort() == master1.getPort()).findFirst().get();
    List<RFuture<?>> futures = new ArrayList<RFuture<?>>();
    CountDownLatch latch = new CountDownLatch(1);
    Thread t = new Thread() {

        public void run() {
            for (int i = 0; i < 2000; i++) {
                RFuture<?> f1 = redisson.getBucket("i" + i).getAsync();
                RFuture<?> f2 = redisson.getBucket("i" + i).setAsync("");
                RFuture<?> f3 = redisson.getTopic("topic").publishAsync("testmsg");
                futures.add(f1);
                futures.add(f2);
                futures.add(f3);
                try {
                    Thread.sleep(100);
                } catch (InterruptedException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                if (i % 100 == 0) {
                    System.out.println("step: " + i);
                }
            }
            latch.countDown();
        }
    };
    t.start();
    t.join(1000);
    Set<InetSocketAddress> oldMasters = new HashSet<>();
    Collection<RedisClusterMaster> masterNodes = redisson.getRedisNodes(RedisNodes.CLUSTER).getMasters();
    for (RedisClusterMaster clusterNode : masterNodes) {
        oldMasters.add(clusterNode.getAddr());
    }
    master.stop();
    System.out.println("master " + master.getRedisServerAddressAndPort() + " has been stopped!");
    Thread.sleep(TimeUnit.SECONDS.toMillis(90));
    RedisProcess newMaster = null;
    Collection<RedisClusterMaster> newMasterNodes = redisson.getRedisNodes(RedisNodes.CLUSTER).getMasters();
    for (RedisClusterMaster clusterNode : newMasterNodes) {
        if (!oldMasters.contains(clusterNode.getAddr())) {
            newMaster = process.getNodes().stream().filter(x -> x.getRedisServerPort() == clusterNode.getAddr().getPort()).findFirst().get();
            break;
        }
    }
    assertThat(newMaster).isNotNull();
    Thread.sleep(30000);
    newMaster.stop();
    System.out.println("new master " + newMaster.getRedisServerAddressAndPort() + " has been stopped!");
    Thread.sleep(TimeUnit.SECONDS.toMillis(80));
    assertThat(latch.await(30, TimeUnit.SECONDS)).isTrue();
    int errors = 0;
    int success = 0;
    int readonlyErrors = 0;
    for (RFuture<?> rFuture : futures) {
        try {
            rFuture.toCompletableFuture().join();
        } catch (Exception e) {
        // skip
        }
        if (!rFuture.isSuccess()) {
            errors++;
        } else {
            success++;
        }
    }
    redisson.shutdown();
    process.shutdown();
    assertThat(readonlyErrors).isZero();
    assertThat(errors).isLessThan(1000);
    assertThat(success).isGreaterThan(5000);
}