Package org.apache.tajo.rpc

Examples of org.apache.tajo.rpc.RpcConnectionPool

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              .setMinDiskSlotPerContainer(requiredDiskSlots)
              .setMaxDiskSlotPerContainer(requiredDiskSlots)
              .setExecutionBlockId(event.getExecutionBlockId().getProto())
              .build();

      RpcConnectionPool connPool = RpcConnectionPool.getPool(queryTaskContext.getConf());
      NettyClientBase tmClient = null;
      try {
        tmClient = connPool.getConnection(
            queryTaskContext.getQueryMasterContext().getWorkerContext().getTajoMasterAddress(),
            TajoMasterProtocol.class, true);
        TajoMasterProtocol.TajoMasterProtocolService masterClientService = tmClient.getStub();
        masterClientService.allocateWorkerResources(null, request, callBack);
      } catch (Exception e) {
        LOG.error(e.getMessage(), e);
      } finally {
        connPool.releaseConnection(tmClient);
      }

      TajoMasterProtocol.WorkerResourceAllocationResponse response = null;
      while(!stopped.get()) {
        try {
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    LOG.info("Stopping QueryMasterTask:" + queryId);

    CallFuture future = new CallFuture();

    RpcConnectionPool connPool = RpcConnectionPool.getPool(queryMasterContext.getConf());
    NettyClientBase tmClient = null;
    try {
      tmClient = connPool.getConnection(queryMasterContext.getWorkerContext().getTajoMasterAddress(),
          TajoMasterProtocol.class, true);
      TajoMasterProtocol.TajoMasterProtocolService masterClientService = tmClient.getStub();
      masterClientService.stopQueryMaster(null, queryId.getProto(), future);
    } catch (Exception e) {
      LOG.error(e.getMessage(), e);
    } finally {
      connPool.releaseConnection(tmClient);
    }

    try {
      future.get(3, TimeUnit.SECONDS);
    } catch (Throwable t) {
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    for(ContainerId eachContainerId: containerIds) {
      containerIdProtos.add(TajoWorkerContainerId.getContainerIdProto(eachContainerId));
    }

    RpcConnectionPool connPool = RpcConnectionPool.getPool(context.getConf());
    NettyClientBase tmClient = null;
    try {
        tmClient = connPool.getConnection(context.getQueryMasterContext().getWorkerContext().getTajoMasterAddress(),
            TajoMasterProtocol.class, true);
        TajoMasterProtocol.TajoMasterProtocolService masterClientService = tmClient.getStub();
        masterClientService.releaseWorkerResource(null,
          TajoMasterProtocol.WorkerResourceReleaseRequest.newBuilder()
              .setExecutionBlockId(executionBlockId.getProto())
              .addAllContainerIds(containerIdProtos)
              .build(),
          NullCallback.get());
    } catch (Exception e) {
      LOG.error(e.getMessage(), e);
    } finally {
      connPool.releaseConnection(tmClient);
    }
  }
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Related Classes of org.apache.tajo.rpc.RpcConnectionPool

  • org.apache.tajo.master.querymaster.QueryMasterTask
  • org.apache.tajo.master.TajoContainerProxy
  • org.apache.tajo.worker.TajoResourceAllocator$TajoWorkerAllocationThread
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