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Diffstat (limited to 'vdslib/src/tests/distribution/distributiontest.cpp')
-rw-r--r-- | vdslib/src/tests/distribution/distributiontest.cpp | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/vdslib/src/tests/distribution/distributiontest.cpp b/vdslib/src/tests/distribution/distributiontest.cpp index f0b48faebef..5a337433bdb 100644 --- a/vdslib/src/tests/distribution/distributiontest.cpp +++ b/vdslib/src/tests/distribution/distributiontest.cpp @@ -13,10 +13,14 @@ #include <vespa/vespalib/io/fileutil.h> #include <vespa/vespalib/stllike/lexical_cast.h> #include <vespa/vespalib/text/stringtokenizer.h> +#include <vespa/vespalib/util/benchmark_timer.h> +#include <gmock/gmock.h> #include <chrono> #include <thread> #include <fstream> +using namespace ::testing; + namespace storage::lib { template <typename T> @@ -1143,4 +1147,106 @@ TEST(DistributionTest, test_hierarchical_distribute_less_than_redundancy) } } +TEST(DistributionTest, wildcard_top_level_distribution_gives_expected_node_results) { + std::string raw_config = R"(redundancy 2 +initial_redundancy 2 +ensure_primary_persisted true +ready_copies 2 +active_per_leaf_group false +distributor_auto_ownership_transfer_on_whole_group_down true +group[0].index "invalid" +group[0].name "invalid" +group[0].capacity 5 +group[0].partitions "*" +group[1].index "0" +group[1].name "switch0" +group[1].capacity 3 +group[1].partitions "" +group[1].nodes[0].index 0 +group[1].nodes[0].retired false +group[1].nodes[1].index 1 +group[1].nodes[1].retired false +group[1].nodes[2].index 2 +group[1].nodes[2].retired false +group[2].index "1" +group[2].name "switch1" +group[2].capacity 2 +group[2].partitions "" +group[2].nodes[0].index 3 +group[2].nodes[0].retired false +group[2].nodes[1].index 4 +group[2].nodes[1].retired false +disk_distribution "MODULO_BID" +)"; + Distribution distr(raw_config); + ClusterState state("version:1 distributor:5 storage:5"); + + auto nodes_of = [&](uint32_t bucket){ + std::vector<uint16_t> actual; + distr.getIdealNodes(NodeType::STORAGE, state, document::BucketId(16, bucket), actual); + return actual; + }; + + EXPECT_THAT(nodes_of(1), ElementsAre(0, 2)); + EXPECT_THAT(nodes_of(2), ElementsAre(2, 0)); + EXPECT_THAT(nodes_of(3), ElementsAre(4, 3)); + EXPECT_THAT(nodes_of(4), ElementsAre(3, 4)); + EXPECT_THAT(nodes_of(5), ElementsAre(4, 3)); + EXPECT_THAT(nodes_of(6), ElementsAre(1, 0)); + EXPECT_THAT(nodes_of(7), ElementsAre(2, 0)); +} + +namespace { + +std::string generate_config_with_n_1node_groups(int n_groups) { + std::ostringstream config_os; + std::ostringstream partition_os; + for (int i = 0; i < n_groups - 1; ++i) { + partition_os << "1|"; + } + partition_os << '*'; + config_os << "redundancy " << n_groups << "\n" + << "initial_redundancy " << n_groups << "\n" + << "ensure_primary_persisted true\n" + << "ready_copies " << n_groups << "\n" + << "active_per_leaf_group true\n" + << "distributor_auto_ownership_transfer_on_whole_group_down true\n" + << "group[0].index \"invalid\"\n" + << "group[0].name \"invalid\"\n" + << "group[0].capacity " << n_groups << "\n" + << "group[0].partitions \"" << partition_os.str() << "\"\n"; + + for (int i = 0; i < n_groups; ++i) { + int g = i + 1; + config_os << "group[" << g << "].index \"" << i << "\"\n" + << "group[" << g << "].name \"group" << g << "\"\n" + << "group[" << g << "].capacity 1\n" + << "group[" << g << "].partitions \"\"\n" + << "group[" << g << "].nodes[0].index \"" << i << "\"\n" + << "group[" << g << "].nodes[0].retired false\n"; + } + return config_os.str(); +} + +std::string generate_state_with_n_nodes_up(int n_nodes) { + std::ostringstream state_os; + state_os << "version:1 bits:8 distributor:" << n_nodes << " storage:" << n_nodes; + return state_os.str(); +} + +} + +TEST(DistributionTest, DISABLED_benchmark_ideal_state_for_many_groups) { + const int n_groups = 150; + Distribution distr(generate_config_with_n_1node_groups(n_groups)); + ClusterState state(generate_state_with_n_nodes_up(n_groups)); + + std::vector<uint16_t> actual; + uint32_t bucket = 0; + auto min_time = vespalib::BenchmarkTimer::benchmark([&]{ + distr.getIdealNodes(NodeType::STORAGE, state, document::BucketId(16, (bucket++ & 0xffffU)), actual); + }, 5.0); + fprintf(stderr, "%.10f seconds\n", min_time); +} + } |