83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
/*
|
|
* client_memory_test.cpp
|
|
*
|
|
* This source file is part of the FoundationDB open source project
|
|
*
|
|
* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#define FDB_USE_LATEST_API_VERSION
|
|
#include <foundationdb/fdb_c.h>
|
|
|
|
#include "unit/fdb_api.hpp"
|
|
|
|
#include <thread>
|
|
#include <iostream>
|
|
#include <vector>
|
|
|
|
void fdb_check(fdb_error_t e) {
|
|
if (e) {
|
|
std::cerr << fdb_get_error(e) << std::endl;
|
|
std::abort();
|
|
}
|
|
}
|
|
|
|
FDBDatabase* fdb_open_database(const char* clusterFile) {
|
|
FDBDatabase* db;
|
|
fdb_check(fdb_create_database(clusterFile, &db));
|
|
return db;
|
|
}
|
|
|
|
int main(int argc, char** argv) {
|
|
if (argc != 2) {
|
|
printf("Usage: %s <cluster_file>", argv[0]);
|
|
}
|
|
fdb_check(fdb_select_api_version(FDB_API_VERSION));
|
|
fdb_check(fdb_setup_network());
|
|
std::thread network_thread{ [] { fdb_check(fdb_run_network()); } };
|
|
|
|
fdb_check(
|
|
fdb_network_set_option(FDBNetworkOption::FDB_NET_OPTION_TRACE_ENABLE, reinterpret_cast<const uint8_t*>(""), 0));
|
|
fdb_check(fdb_network_set_option(
|
|
FDBNetworkOption::FDB_NET_OPTION_TRACE_FORMAT, reinterpret_cast<const uint8_t*>("json"), 4));
|
|
|
|
// Use a bunch of memory from different client threads
|
|
FDBDatabase* db = fdb_open_database(argv[1]);
|
|
auto thread_func = [&]() {
|
|
fdb::Transaction tr(db);
|
|
for (int i = 0; i < 10000; ++i) {
|
|
tr.set(std::to_string(i), std::string(i, '\x00'));
|
|
}
|
|
tr.cancel();
|
|
};
|
|
std::vector<std::thread> threads;
|
|
constexpr auto kThreadCount = 64;
|
|
for (int i = 0; i < kThreadCount; ++i) {
|
|
threads.emplace_back(thread_func);
|
|
}
|
|
for (auto& thread : threads) {
|
|
thread.join();
|
|
}
|
|
fdb_database_destroy(db);
|
|
db = nullptr;
|
|
|
|
// Memory usage should go down now if the allocator is returning memory to the OS. It's expected that something is
|
|
// externally monitoring the memory usage of this process during this sleep.
|
|
using namespace std::chrono_literals;
|
|
std::this_thread::sleep_for(10s);
|
|
|
|
fdb_check(fdb_stop_network());
|
|
network_thread.join();
|
|
} |