Examples with SegmentId com.linkedin.pinot.transport.common.SegmentId used on opensource projects

Example 1 with SegmentId

use of com.linkedin.pinot.transport.common.SegmentId in project pinot by linkedin.

the class ServerToSegmentSetMap method toString.

@Override
public String toString() {
    try {
        JSONObject ret = new JSONObject();
        for (ServerInstance i : _routingTable.keySet()) {
            JSONArray serverInstanceSegmentList = new JSONArray();
            List<String> sortedSegmentIds = new ArrayList<>();
            for (SegmentId segmentId : _routingTable.get(i).getSegments()) {
                sortedSegmentIds.add(segmentId.getSegmentId());
            }
            Collections.sort(sortedSegmentIds);
            for (String sortedSegmentId : sortedSegmentIds) {
                serverInstanceSegmentList.put(sortedSegmentId);
            }
            ret.put(i.toString(), serverInstanceSegmentList);
        }
        return ret.toString();
    } catch (Exception e) {
        logger.error("error toString()", e);
        return "routing table : [ " + _routingTable + " ] ";
    }
}

Example 2 with SegmentId

use of com.linkedin.pinot.transport.common.SegmentId in project pinot by linkedin.

the class ScatterGatherImpl method selectServicesPerPartition.

/**
   * For each segmentId in the instanceToSegmentMap, we select one (or more speculative) servers
   *
   * @param requestContext
   */
private void selectServicesPerPartition(ScatterGatherRequestContext requestContext) {
    Map<ServerInstance, SegmentIdSet> selectedServers = new HashMap<ServerInstance, SegmentIdSet>();
    ScatterGatherRequest request = requestContext.getRequest();
    Map<List<ServerInstance>, SegmentIdSet> instanceToSegmentMap = requestContext.getInvertedMap();
    ReplicaSelection selection = request.getReplicaSelection();
    for (Entry<List<ServerInstance>, SegmentIdSet> e : instanceToSegmentMap.entrySet()) {
        SegmentId firstPartition = null;
        for (SegmentId p : e.getValue().getSegments()) {
            /**
         * For selecting the server, we always use first segmentId in the group. This will provide
         * more chance for fanning out the query
         */
            if (null == firstPartition) {
                firstPartition = p;
            }
            ServerInstance s = selection.selectServer(firstPartition, e.getKey(), request.getHashKey());
            mergePartitionGroup(selectedServers, s, p);
        }
    }
    requestContext.setSelectedServers(selectedServers);
}

Example 3 with SegmentId

use of com.linkedin.pinot.transport.common.SegmentId 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 4 with SegmentId

use of com.linkedin.pinot.transport.common.SegmentId 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 5 with SegmentId

use of com.linkedin.pinot.transport.common.SegmentId in project pinot by linkedin.

the class PerTableRoutingConfig method buildRequestRoutingMap.

//
//  /**
//   * Builds a map needed for routing the partitions in the partition-group passed.
//   * There could be different set of servers for each partition in the passed partition-group.
//   *
//   * @param pg segmentSet for which the routing map needs to be built.
//   * @return
//   */
//  public Map<SegmentIdSet, List<ServerInstance>> buildRequestRoutingMap() {
//    Map<SegmentIdSet, List<ServerInstance>> resultMap = new HashMap<SegmentIdSet, List<ServerInstance>>();
//
//    /**
//     * NOTE: After we removed the concept of partition, this needed rewriting.
//     * For now, The File-based routing config maps nodeIds to Instances instead of segments to instances.
//     * This is because, it becomes difficult for configuring all segments in routing config. Instead,
//     * we configure the number of nodes that constitute a replica-set. For each node, different instances
//     * (as comma-seperated list) is provided. we pick one instance from each node.
//     *
//     */
//    for (Entry<Integer, List<ServerInstance>> e : _nodeToInstancesMap.entrySet()) {
//      SegmentId id = new SegmentId("" + e.getKey());
//      SegmentIdSet idSet = new SegmentIdSet();
//      idSet.addSegment(id);
//      resultMap.put(idSet, e.getValue());
//    }
//
//    // Add default
//    SegmentId id = new SegmentId("default");
//    SegmentIdSet idSet = new SegmentIdSet();
//    idSet.addSegment(id);
//    resultMap.put(idSet, _defaultServers);
//    return resultMap;
//  }
/**
   * Builds a map needed for routing the partitions in the partition-group passed.
   * There could be different set of servers for each partition in the passed partition-group.
   *
   * @return
   */
public Map<ServerInstance, SegmentIdSet> buildRequestRoutingMap() {
    Map<ServerInstance, SegmentIdSet> resultMap = new HashMap<ServerInstance, SegmentIdSet>();
    for (ServerInstance serverInstance : _defaultServers) {
        SegmentId id = new SegmentId("default");
        SegmentIdSet idSet = new SegmentIdSet();
        idSet.addSegment(id);
        resultMap.put(serverInstance, idSet);
    }
    return resultMap;
}