239 lines
9.6 KiB
C++
239 lines
9.6 KiB
C++
// Copyright 2022 Memgraph Ltd.
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//
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// Use of this software is governed by the Business Source License
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// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
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// License, and you may not use this file except in compliance with the Business Source License.
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//
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// As of the Change Date specified in that file, in accordance with
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// the Business Source License, use of this software will be governed
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// by the Apache License, Version 2.0, included in the file
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// licenses/APL.txt.
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#include <chrono>
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#include <deque>
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#include <iostream>
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#include <map>
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#include <optional>
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#include <set>
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#include <thread>
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#include <vector>
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#include "coordinator/coordinator_client.hpp"
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#include "coordinator/coordinator_rsm.hpp"
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#include "io/address.hpp"
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#include "io/errors.hpp"
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#include "io/rsm/raft.hpp"
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#include "io/rsm/rsm_client.hpp"
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#include "io/rsm/shard_rsm.hpp"
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#include "io/simulator/simulator.hpp"
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#include "io/simulator/simulator_transport.hpp"
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#include "query/v2/middleware.hpp"
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#include "storage/v2/property_value.hpp"
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#include "storage/v3/property_value.hpp"
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#include "utils/result.hpp"
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using memgraph::coordinator::AddressAndStatus;
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using memgraph::coordinator::CompoundKey;
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using memgraph::coordinator::Coordinator;
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using memgraph::coordinator::CoordinatorClient;
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using memgraph::coordinator::CoordinatorRsm;
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using memgraph::coordinator::HlcRequest;
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using memgraph::coordinator::HlcResponse;
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using memgraph::coordinator::Shard;
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using memgraph::coordinator::ShardMap;
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using memgraph::coordinator::Shards;
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using memgraph::coordinator::Status;
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using memgraph::io::Address;
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using memgraph::io::Io;
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using memgraph::io::ResponseEnvelope;
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using memgraph::io::ResponseFuture;
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using memgraph::io::Time;
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using memgraph::io::TimedOut;
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using memgraph::io::rsm::Raft;
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using memgraph::io::rsm::ReadRequest;
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using memgraph::io::rsm::ReadResponse;
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using memgraph::io::rsm::RsmClient;
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using memgraph::io::rsm::StorageReadRequest;
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using memgraph::io::rsm::StorageReadResponse;
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using memgraph::io::rsm::StorageRsm;
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using memgraph::io::rsm::StorageWriteRequest;
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using memgraph::io::rsm::StorageWriteResponse;
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using memgraph::io::rsm::WriteRequest;
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using memgraph::io::rsm::WriteResponse;
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using memgraph::io::simulator::Simulator;
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using memgraph::io::simulator::SimulatorConfig;
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using memgraph::io::simulator::SimulatorStats;
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using memgraph::io::simulator::SimulatorTransport;
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using memgraph::utils::BasicResult;
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using StorageClient =
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RsmClient<SimulatorTransport, StorageWriteRequest, StorageWriteResponse, StorageReadRequest, StorageReadResponse>;
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namespace {
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ShardMap CreateDummyShardmap(memgraph::coordinator::Address a_io_1, memgraph::coordinator::Address a_io_2,
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memgraph::coordinator::Address a_io_3, memgraph::coordinator::Address b_io_1,
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memgraph::coordinator::Address b_io_2, memgraph::coordinator::Address b_io_3) {
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ShardMap sm1;
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auto &shards = sm1.GetShards();
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// 1
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std::string label1 = std::string("label1");
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auto key1 = memgraph::storage::v3::PropertyValue(3);
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auto key2 = memgraph::storage::v3::PropertyValue(4);
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CompoundKey cm1 = {key1, key2};
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AddressAndStatus aas1_1{.address = a_io_1, .status = Status::CONSENSUS_PARTICIPANT};
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AddressAndStatus aas1_2{.address = a_io_2, .status = Status::CONSENSUS_PARTICIPANT};
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AddressAndStatus aas1_3{.address = a_io_3, .status = Status::CONSENSUS_PARTICIPANT};
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Shard shard1 = {aas1_1, aas1_2, aas1_3};
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Shards shards1;
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shards1[cm1] = shard1;
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// 2
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std::string label2 = std::string("label2");
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auto key3 = memgraph::storage::v3::PropertyValue(12);
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auto key4 = memgraph::storage::v3::PropertyValue(13);
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CompoundKey cm2 = {key3, key4};
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AddressAndStatus aas2_1{.address = b_io_1, .status = Status::CONSENSUS_PARTICIPANT};
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AddressAndStatus aas2_2{.address = b_io_2, .status = Status::CONSENSUS_PARTICIPANT};
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AddressAndStatus aas2_3{.address = b_io_3, .status = Status::CONSENSUS_PARTICIPANT};
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Shard shard2 = {aas2_1, aas2_2, aas2_3};
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Shards shards2;
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shards2[cm2] = shard2;
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shards[label1] = shards1;
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shards[label2] = shards2;
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return sm1;
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}
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} // namespace
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using ConcreteCoordinatorRsm = CoordinatorRsm<SimulatorTransport>;
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using ConcreteStorageRsm = Raft<SimulatorTransport, StorageRsm, StorageWriteRequest, StorageWriteResponse,
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StorageReadRequest, StorageReadResponse>;
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template <typename IoImpl>
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void RunStorageRaft(
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Raft<IoImpl, StorageRsm, StorageWriteRequest, StorageWriteResponse, StorageReadRequest, StorageReadResponse>
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server) {
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server.Run();
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}
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int main() {
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SimulatorConfig config{
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.drop_percent = 0,
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.perform_timeouts = false,
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.scramble_messages = false,
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.rng_seed = 0,
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.start_time = Time::min() + std::chrono::microseconds{256 * 1024},
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.abort_time = Time::min() + std::chrono::microseconds{2 * 8 * 1024 * 1024},
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};
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auto simulator = Simulator(config);
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Io<SimulatorTransport> cli_io = simulator.RegisterNew();
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// Register
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Io<SimulatorTransport> a_io_1 = simulator.RegisterNew();
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Io<SimulatorTransport> a_io_2 = simulator.RegisterNew();
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Io<SimulatorTransport> a_io_3 = simulator.RegisterNew();
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Io<SimulatorTransport> b_io_1 = simulator.RegisterNew();
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Io<SimulatorTransport> b_io_2 = simulator.RegisterNew();
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Io<SimulatorTransport> b_io_3 = simulator.RegisterNew();
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// Preconfigure coordinator with kv shard 'A' and 'B'
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auto sm1 = CreateDummyShardmap(a_io_1.GetAddress(), a_io_2.GetAddress(), a_io_3.GetAddress(), b_io_1.GetAddress(),
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b_io_2.GetAddress(), b_io_3.GetAddress());
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auto sm2 = CreateDummyShardmap(a_io_1.GetAddress(), a_io_2.GetAddress(), a_io_3.GetAddress(), b_io_1.GetAddress(),
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b_io_2.GetAddress(), b_io_3.GetAddress());
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auto sm3 = CreateDummyShardmap(a_io_1.GetAddress(), a_io_2.GetAddress(), a_io_3.GetAddress(), b_io_1.GetAddress(),
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b_io_2.GetAddress(), b_io_3.GetAddress());
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// Spin up shard A
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std::vector<Address> a_addrs = {a_io_1.GetAddress(), a_io_2.GetAddress(), a_io_3.GetAddress()};
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std::vector<Address> a_1_peers = {a_addrs[1], a_addrs[2]};
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std::vector<Address> a_2_peers = {a_addrs[0], a_addrs[2]};
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std::vector<Address> a_3_peers = {a_addrs[0], a_addrs[1]};
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ConcreteStorageRsm a_1{std::move(a_io_1), a_1_peers, StorageRsm{}};
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ConcreteStorageRsm a_2{std::move(a_io_2), a_2_peers, StorageRsm{}};
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ConcreteStorageRsm a_3{std::move(a_io_3), a_3_peers, StorageRsm{}};
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auto a_thread_1 = std::jthread(RunStorageRaft<SimulatorTransport>, std::move(a_1));
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simulator.IncrementServerCountAndWaitForQuiescentState(a_addrs[0]);
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auto a_thread_2 = std::jthread(RunStorageRaft<SimulatorTransport>, std::move(a_2));
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simulator.IncrementServerCountAndWaitForQuiescentState(a_addrs[1]);
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auto a_thread_3 = std::jthread(RunStorageRaft<SimulatorTransport>, std::move(a_3));
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simulator.IncrementServerCountAndWaitForQuiescentState(a_addrs[2]);
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// Spin up shard B
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std::vector<Address> b_addrs = {b_io_1.GetAddress(), b_io_2.GetAddress(), b_io_3.GetAddress()};
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std::vector<Address> b_1_peers = {b_addrs[1], b_addrs[2]};
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std::vector<Address> b_2_peers = {b_addrs[0], b_addrs[2]};
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std::vector<Address> b_3_peers = {b_addrs[0], b_addrs[1]};
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ConcreteStorageRsm b_1{std::move(b_io_1), b_1_peers, StorageRsm{}};
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ConcreteStorageRsm b_2{std::move(b_io_2), b_2_peers, StorageRsm{}};
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ConcreteStorageRsm b_3{std::move(b_io_3), b_3_peers, StorageRsm{}};
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auto b_thread_1 = std::jthread(RunStorageRaft<SimulatorTransport>, std::move(b_1));
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simulator.IncrementServerCountAndWaitForQuiescentState(b_addrs[0]);
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auto b_thread_2 = std::jthread(RunStorageRaft<SimulatorTransport>, std::move(b_2));
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simulator.IncrementServerCountAndWaitForQuiescentState(b_addrs[1]);
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auto b_thread_3 = std::jthread(RunStorageRaft<SimulatorTransport>, std::move(b_3));
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simulator.IncrementServerCountAndWaitForQuiescentState(b_addrs[2]);
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// Spin up coordinators
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Io<SimulatorTransport> c_io_1 = simulator.RegisterNew();
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Io<SimulatorTransport> c_io_2 = simulator.RegisterNew();
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Io<SimulatorTransport> c_io_3 = simulator.RegisterNew();
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std::vector<Address> c_addrs = {c_io_1.GetAddress(), c_io_2.GetAddress(), c_io_3.GetAddress()};
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std::vector<Address> c_1_peers = {c_addrs[1], c_addrs[2]};
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std::vector<Address> c_2_peers = {c_addrs[0], c_addrs[2]};
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std::vector<Address> c_3_peers = {c_addrs[0], c_addrs[1]};
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ConcreteCoordinatorRsm c_1{std::move(c_io_1), c_1_peers, Coordinator{(sm1)}};
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ConcreteCoordinatorRsm c_2{std::move(c_io_2), c_2_peers, Coordinator{(sm2)}};
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ConcreteCoordinatorRsm c_3{std::move(c_io_3), c_3_peers, Coordinator{(sm3)}};
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auto c_thread_1 = std::jthread([c_1]() mutable { c_1.Run(); });
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simulator.IncrementServerCountAndWaitForQuiescentState(c_addrs[0]);
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auto c_thread_2 = std::jthread([c_2]() mutable { c_2.Run(); });
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simulator.IncrementServerCountAndWaitForQuiescentState(c_addrs[1]);
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auto c_thread_3 = std::jthread([c_3]() mutable { c_3.Run(); });
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simulator.IncrementServerCountAndWaitForQuiescentState(c_addrs[2]);
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std::cout << "beginning test after servers have become quiescent" << std::endl;
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// Have client contact coordinator RSM for a new transaction ID and
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// also get the current shard map
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CoordinatorClient<SimulatorTransport> coordinator_client(cli_io, c_addrs[0], c_addrs);
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QueryEngineMiddleware<SimulatorTransport> io(std::move(cli_io), std::move(coordinator_client));
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ExecutionState state;
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state.key = std::make_optional<CompoundKey>(
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std::vector{memgraph::storage::v3::PropertyValue(3), memgraph::storage::v3::PropertyValue(4)});
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state.label = "label1";
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auto result = io.Request(state);
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simulator.ShutDown();
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std::cout << "Result is: " << result;
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return 0;
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}
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