Examples with ServerInstance com.linkedin.pinot.common.response.ServerInstance used on opensource projects

Example 16 with ServerInstance

use of com.linkedin.pinot.common.response.ServerInstance in project pinot by linkedin.

the class ReplicaSelectionTest method testHashBasedSelection.

@Test
public void testHashBasedSelection() {
    ReplicaSelection sel1 = new HashReplicaSelection();
    ServerInstance s1 = new ServerInstance("localhost", 8080);
    ServerInstance s2 = new ServerInstance("localhost", 8081);
    ServerInstance s3 = new ServerInstance("localhost", 8082);
    BucketKey k1 = new BucketKey(0);
    BucketKey k2 = new BucketKey(1);
    BucketKey k3 = new BucketKey(2);
    BucketKey[] ks = { k1, k2, k3 };
    ServerInstance[] servers = { s1, s2, s3 };
    // Verify for an empty list, selectServer returns null
    List<ServerInstance> candidates = new ArrayList<ServerInstance>();
    Assert.assertNull(sel1.selectServer(new SegmentId("1"), candidates, null));
    candidates.addAll(Arrays.asList(servers));
    for (int i = 0; i < 10; i++) {
        int num = i % candidates.size();
        BucketKey k = ks[num];
        Assert.assertEquals(sel1.selectServer(new SegmentId("0"), candidates, k), candidates.get(num), "Round :" + i);
    }
}

Example 17 with ServerInstance

use of com.linkedin.pinot.common.response.ServerInstance in project pinot by linkedin.

the class RoutingTableTest method assertResourceRequest.

private void assertResourceRequest(HelixExternalViewBasedRouting routingTable, String resource, String expectedSegmentList, int expectedNumSegment) {
    RoutingTableLookupRequest request = new RoutingTableLookupRequest(resource, Collections.<String>emptyList());
    Map<ServerInstance, SegmentIdSet> serversMap = routingTable.findServers(request);
    List<String> selectedSegments = new ArrayList<String>();
    for (ServerInstance serverInstance : serversMap.keySet()) {
        LOGGER.trace(serverInstance.toString());
        SegmentIdSet segmentIdSet = serversMap.get(serverInstance);
        LOGGER.trace(segmentIdSet.toString());
        selectedSegments.addAll(segmentIdSet.getSegmentsNameList());
    }
    String[] selectedSegmentArray = selectedSegments.toArray(new String[0]);
    Arrays.sort(selectedSegmentArray);
    Assert.assertEquals(selectedSegments.size(), expectedNumSegment);
    Assert.assertEquals(Arrays.toString(selectedSegmentArray), expectedSegmentList);
    LOGGER.trace("********************************");
}

Example 18 with ServerInstance

use of com.linkedin.pinot.common.response.ServerInstance in project pinot by linkedin.

the class ScatterGatherTest method testMultipleServerTimeout.

@Test
public void testMultipleServerTimeout() throws Exception {
    MetricsRegistry registry = new MetricsRegistry();
    // Server start
    int serverPort1 = 7081;
    int serverPort2 = 7082;
    int serverPort3 = 7083;
    // Timeout server
    int serverPort4 = 7084;
    NettyTCPServer server1 = new NettyTCPServer(serverPort1, new TestRequestHandlerFactory(0, 1), null);
    NettyTCPServer server2 = new NettyTCPServer(serverPort2, new TestRequestHandlerFactory(1, 1), null);
    NettyTCPServer server3 = new NettyTCPServer(serverPort3, new TestRequestHandlerFactory(2, 1), null);
    NettyTCPServer server4 = new NettyTCPServer(serverPort4, new TestRequestHandlerFactory(3, 1, 7000, false), null);
    Thread t1 = new Thread(server1);
    Thread t2 = new Thread(server2);
    Thread t3 = new Thread(server3);
    Thread t4 = new Thread(server4);
    t1.start();
    t2.start();
    t3.start();
    t4.start();
    //Client setup
    ScheduledExecutorService timedExecutor = new ScheduledThreadPoolExecutor(1);
    ExecutorService service = new ThreadPoolExecutor(5, 5, 5, TimeUnit.DAYS, new LinkedBlockingDeque<Runnable>());
    EventLoopGroup eventLoopGroup = new NioEventLoopGroup();
    NettyClientMetrics clientMetrics = new NettyClientMetrics(registry, "client_");
    PooledNettyClientResourceManager rm = new PooledNettyClientResourceManager(eventLoopGroup, new HashedWheelTimer(), clientMetrics);
    KeyedPoolImpl<ServerInstance, NettyClientConnection> pool = new KeyedPoolImpl<ServerInstance, NettyClientConnection>(1, 1, 300000, 1, rm, timedExecutor, service, registry);
    rm.setPool(pool);
    SegmentIdSet pg1 = new SegmentIdSet();
    pg1.addSegment(new SegmentId("0"));
    SegmentIdSet pg2 = new SegmentIdSet();
    pg2.addSegment(new SegmentId("1"));
    SegmentIdSet pg3 = new SegmentIdSet();
    pg3.addSegment(new SegmentId("2"));
    SegmentIdSet pg4 = new SegmentIdSet();
    pg4.addSegment(new SegmentId("3"));
    ServerInstance serverInstance1 = new ServerInstance("localhost", serverPort1);
    ServerInstance serverInstance2 = new ServerInstance("localhost", serverPort2);
    ServerInstance serverInstance3 = new ServerInstance("localhost", serverPort3);
    ServerInstance serverInstance4 = new ServerInstance("localhost", serverPort4);
    Map<ServerInstance, SegmentIdSet> pgMap = new HashMap<ServerInstance, SegmentIdSet>();
    pgMap.put(serverInstance1, pg1);
    pgMap.put(serverInstance2, pg2);
    pgMap.put(serverInstance3, pg3);
    pgMap.put(serverInstance4, pg4);
    String request1 = "request_0";
    String request2 = "request_1";
    String request3 = "request_2";
    String request4 = "request_3";
    Map<SegmentIdSet, String> pgMapStr = new HashMap<SegmentIdSet, String>();
    pgMapStr.put(pg1, request1);
    pgMapStr.put(pg2, request2);
    pgMapStr.put(pg3, request3);
    pgMapStr.put(pg4, request4);
    ScatterGatherRequest req = new TestScatterGatherRequest(pgMap, pgMapStr, new RoundRobinReplicaSelection(), ReplicaSelectionGranularity.SEGMENT_ID_SET, 0, 1000);
    ScatterGatherImpl scImpl = new ScatterGatherImpl(pool, service);
    final ScatterGatherStats scatterGatherStats = new ScatterGatherStats();
    BrokerMetrics brokerMetrics = new BrokerMetrics(new MetricsRegistry());
    CompositeFuture<ServerInstance, ByteBuf> fut = scImpl.scatterGather(req, scatterGatherStats, brokerMetrics);
    Map<ServerInstance, ByteBuf> v = fut.get();
    //Only 3 servers return value.
    Assert.assertEquals(v.size(), 3);
    ByteBuf b = v.get(serverInstance1);
    byte[] b2 = new byte[b.readableBytes()];
    b.readBytes(b2);
    String response = new String(b2);
    Assert.assertEquals(response, "response_0_0");
    b = v.get(serverInstance2);
    b2 = new byte[b.readableBytes()];
    b.readBytes(b2);
    response = new String(b2);
    Assert.assertEquals(response, "response_1_0");
    b = v.get(serverInstance3);
    b2 = new byte[b.readableBytes()];
    b.readBytes(b2);
    response = new String(b2);
    Assert.assertEquals(response, "response_2_0");
    //No  response from 4th server
    Assert.assertNull(v.get(serverInstance4), "No response from 4th server");
    Map<ServerInstance, Throwable> errorMap = fut.getError();
    Assert.assertEquals(errorMap.size(), 1, "One error");
    Assert.assertNotNull(errorMap.get(serverInstance4), "Server4 returned timeout");
    Thread.sleep(3000);
    pool.getStats().refresh();
    Assert.assertEquals(pool.getStats().getTotalBadDestroyed(), 1, "Total Bad destroyed");
    pool.shutdown();
    service.shutdown();
    eventLoopGroup.shutdownGracefully();
    server1.shutdownGracefully();
    server2.shutdownGracefully();
    server3.shutdownGracefully();
    server4.shutdownGracefully();
}

Example 19 with ServerInstance

use of com.linkedin.pinot.common.response.ServerInstance in project pinot by linkedin.

the class ScatterGatherTest method testMultipleServerHappy.

@Test
public void testMultipleServerHappy() throws Exception {
    MetricsRegistry registry = new MetricsRegistry();
    // Server start
    int serverPort1 = 7071;
    int serverPort2 = 7072;
    int serverPort3 = 7073;
    int serverPort4 = 7074;
    NettyTCPServer server1 = new NettyTCPServer(serverPort1, new TestRequestHandlerFactory(0, 1), null);
    NettyTCPServer server2 = new NettyTCPServer(serverPort2, new TestRequestHandlerFactory(1, 1), null);
    NettyTCPServer server3 = new NettyTCPServer(serverPort3, new TestRequestHandlerFactory(2, 1), null);
    NettyTCPServer server4 = new NettyTCPServer(serverPort4, new TestRequestHandlerFactory(3, 1), null);
    Thread t1 = new Thread(server1);
    Thread t2 = new Thread(server2);
    Thread t3 = new Thread(server3);
    Thread t4 = new Thread(server4);
    t1.start();
    t2.start();
    t3.start();
    t4.start();
    //Client setup
    ScheduledExecutorService timedExecutor = new ScheduledThreadPoolExecutor(1);
    ExecutorService poolExecutor = MoreExecutors.sameThreadExecutor();
    ExecutorService service = new ThreadPoolExecutor(1, 1, 1, TimeUnit.DAYS, new LinkedBlockingDeque<Runnable>());
    EventLoopGroup eventLoopGroup = new NioEventLoopGroup();
    NettyClientMetrics clientMetrics = new NettyClientMetrics(registry, "client_");
    PooledNettyClientResourceManager rm = new PooledNettyClientResourceManager(eventLoopGroup, new HashedWheelTimer(), clientMetrics);
    KeyedPoolImpl<ServerInstance, NettyClientConnection> pool = new KeyedPoolImpl<ServerInstance, NettyClientConnection>(1, 1, 300000, 1, rm, timedExecutor, poolExecutor, registry);
    rm.setPool(pool);
    SegmentIdSet pg1 = new SegmentIdSet();
    pg1.addSegment(new SegmentId("0"));
    SegmentIdSet pg2 = new SegmentIdSet();
    pg2.addSegment(new SegmentId("1"));
    SegmentIdSet pg3 = new SegmentIdSet();
    pg3.addSegment(new SegmentId("2"));
    SegmentIdSet pg4 = new SegmentIdSet();
    pg4.addSegment(new SegmentId("3"));
    ServerInstance serverInstance1 = new ServerInstance("localhost", serverPort1);
    ServerInstance serverInstance2 = new ServerInstance("localhost", serverPort2);
    ServerInstance serverInstance3 = new ServerInstance("localhost", serverPort3);
    ServerInstance serverInstance4 = new ServerInstance("localhost", serverPort4);
    Map<ServerInstance, SegmentIdSet> pgMap = new HashMap<ServerInstance, SegmentIdSet>();
    pgMap.put(serverInstance1, pg1);
    pgMap.put(serverInstance2, pg2);
    pgMap.put(serverInstance3, pg3);
    pgMap.put(serverInstance4, pg4);
    String request1 = "request_0";
    String request2 = "request_1";
    String request3 = "request_2";
    String request4 = "request_3";
    Map<SegmentIdSet, String> pgMapStr = new HashMap<SegmentIdSet, String>();
    pgMapStr.put(pg1, request1);
    pgMapStr.put(pg2, request2);
    pgMapStr.put(pg3, request3);
    pgMapStr.put(pg4, request4);
    ScatterGatherRequest req = new TestScatterGatherRequest(pgMap, pgMapStr);
    ScatterGatherImpl scImpl = new ScatterGatherImpl(pool, service);
    final ScatterGatherStats scatterGatherStats = new ScatterGatherStats();
    BrokerMetrics brokerMetrics = new BrokerMetrics(new MetricsRegistry());
    CompositeFuture<ServerInstance, ByteBuf> fut = scImpl.scatterGather(req, scatterGatherStats, brokerMetrics);
    Map<ServerInstance, ByteBuf> v = fut.get();
    Assert.assertEquals(v.size(), 4);
    ByteBuf b = v.get(serverInstance1);
    byte[] b2 = new byte[b.readableBytes()];
    b.readBytes(b2);
    String response = new String(b2);
    Assert.assertEquals(response, "response_0_0");
    b = v.get(serverInstance2);
    b2 = new byte[b.readableBytes()];
    b.readBytes(b2);
    response = new String(b2);
    Assert.assertEquals(response, "response_1_0");
    b = v.get(serverInstance3);
    b2 = new byte[b.readableBytes()];
    b.readBytes(b2);
    response = new String(b2);
    Assert.assertEquals(response, "response_2_0");
    b = v.get(serverInstance4);
    b2 = new byte[b.readableBytes()];
    b.readBytes(b2);
    response = new String(b2);
    Assert.assertEquals(response, "response_3_0");
    server1.shutdownGracefully();
    server2.shutdownGracefully();
    server3.shutdownGracefully();
    server4.shutdownGracefully();
    pool.shutdown();
    service.shutdown();
    eventLoopGroup.shutdownGracefully();
}

Example 20 with ServerInstance

use of com.linkedin.pinot.common.response.ServerInstance in project pinot by linkedin.

the class ScatterGatherPerfClient method sendRequestAndGetResponse.

/**
   * Helper to send request to server and get back response
   * @param request
   * @return
   * @throws InterruptedException
   * @throws ExecutionException
   * @throws IOException
   * @throws ClassNotFoundException
   */
private String sendRequestAndGetResponse(SimpleScatterGatherRequest request, final ScatterGatherStats scatterGatherStats) throws InterruptedException, ExecutionException, IOException, ClassNotFoundException {
    BrokerMetrics brokerMetrics = new BrokerMetrics(new MetricsRegistry());
    CompositeFuture<ServerInstance, ByteBuf> future = _scatterGather.scatterGather(request, scatterGatherStats, brokerMetrics);
    ByteBuf b = future.getOne();
    String r = null;
    if (null != b) {
        byte[] b2 = new byte[b.readableBytes()];
        b.readBytes(b2);
        r = new String(b2);
    }
    return r;
}