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e605cd4ff8
We see occasional bad_alloc failures in release mode; this is due to the random mutation generator generating large mutations. Reduce the mutation count to 300. I tested 100 runs and all passed, so it reduces the false positive rate to < 1%.
111 lines
4.8 KiB
C++
111 lines
4.8 KiB
C++
/*
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* Copyright (C) 2018 ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <seastar/core/thread.hh>
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#include <seastar/tests/test-utils.hh>
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#include <seastar/util/bool_class.hh>
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#include "mutation_fragment.hh"
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#include "mutation_source_test.hh"
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#include "flat_mutation_reader.hh"
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#include "multishard_writer.hh"
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#include "tests/cql_test_env.hh"
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struct generate_error_tag { };
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using generate_error = bool_class<generate_error_tag>;
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constexpr unsigned many_partitions() {
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return
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#ifndef SEASTAR_DEBUG
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300
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#else
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10
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#endif
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;
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}
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SEASTAR_TEST_CASE(test_multishard_writer) {
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return do_with_cql_env_thread([] (cql_test_env& e) {
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auto test_random_streams = [] (random_mutation_generator&& gen, size_t partition_nr, generate_error error = generate_error::no) {
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for (auto i = 0; i < 3; i++) {
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auto muts = gen(partition_nr);
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std::vector<size_t> shards_before(smp::count, 0);
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std::vector<size_t> shards_after(smp::count, 0);
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for (auto& m : muts) {
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auto shard = dht::global_partitioner().shard_of(m.token());
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shards_before[shard]++;
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}
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schema_ptr s = gen.schema();
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auto source_reader = partition_nr > 0 ? flat_mutation_reader_from_mutations(muts) : make_empty_flat_reader(s);
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size_t partitions_received = distribute_reader_and_consume_on_shards(s,
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dht::global_partitioner(),
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std::move(source_reader),
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[&shards_after, error] (flat_mutation_reader reader) mutable {
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if (error) {
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return make_exception_future<>(std::runtime_error("Failed to write"));
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}
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return repeat([&shards_after, reader = std::move(reader), error] () mutable {
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return reader().then([&shards_after, error] (mutation_fragment_opt mf_opt) mutable {
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if (mf_opt) {
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if (mf_opt->is_partition_start()) {
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auto shard = dht::global_partitioner().shard_of(mf_opt->as_partition_start().key().token());
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BOOST_REQUIRE_EQUAL(shard, engine().cpu_id());
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shards_after[shard]++;
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}
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return make_ready_future<stop_iteration>(stop_iteration::no);
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} else {
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return make_ready_future<stop_iteration>(stop_iteration::yes);
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}
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});
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});
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}
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).get0();
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BOOST_REQUIRE_EQUAL(partitions_received, partition_nr);
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BOOST_REQUIRE_EQUAL(shards_after, shards_before);
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}
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};
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test_random_streams(random_mutation_generator(random_mutation_generator::generate_counters::no, local_shard_only::no), 0);
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test_random_streams(random_mutation_generator(random_mutation_generator::generate_counters::yes, local_shard_only::no), 0);
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test_random_streams(random_mutation_generator(random_mutation_generator::generate_counters::no, local_shard_only::no), 1);
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test_random_streams(random_mutation_generator(random_mutation_generator::generate_counters::yes, local_shard_only::no), 1);
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test_random_streams(random_mutation_generator(random_mutation_generator::generate_counters::no, local_shard_only::no), many_partitions());
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test_random_streams(random_mutation_generator(random_mutation_generator::generate_counters::yes, local_shard_only::no), many_partitions());
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try {
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test_random_streams(random_mutation_generator(random_mutation_generator::generate_counters::no, local_shard_only::no), many_partitions(), generate_error::yes);
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BOOST_ASSERT(false);
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} catch (...) {
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}
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try {
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test_random_streams(random_mutation_generator(random_mutation_generator::generate_counters::yes, local_shard_only::no), many_partitions(), generate_error::yes);
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BOOST_ASSERT(false);
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} catch (...) {
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}
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});
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}
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