lib/wsrep-lib
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Finished dbsim integration with refactored client API.

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This commit is contained in:
Teemu Ollakka
2018-06-16 10:25:14 +03:00
parent ae68122d59
commit 6dcac8ce4d
15 changed files with 203 additions and 97 deletions
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138
dbsim/db_simulator.cpp
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@ -6,6 +6,70 @@
#include <boost/filesystem.hpp>
#include <sstream>
void db::simulator::run()
{
start();
stop();
std::flush(std::cerr);
std::cout << "Results:\n";
std::cout << stats() << std::endl;
}
void db::simulator::sst(db::server& server,
const std::string& request,
const wsrep::gtid& gtid,
bool bypass)
{
size_t id;
std::istringstream is(request);
is >> id;
wsrep::unique_lock<wsrep::mutex> lock(mutex_);
auto i(servers_.find(id));
if (i == servers_.end())
{
throw wsrep::runtime_error("Server " + request + " not found");
}
if (bypass == false)
{
wsrep::log_info() << "SST " << server.server_context().id() << " -> " << id;
}
i->second->server_context().sst_received(gtid, 0);
server.server_context().sst_sent(gtid, 0);
}
std::string db::simulator::stats() const
{
size_t transactions(params_.n_servers * params_.n_clients
* params_.n_transactions);
auto duration(std::chrono::duration<double>(
clients_stop_ - clients_start_).count());
long long bf_aborts(0);
for (const auto& s : servers_)
{
bf_aborts += s.second->storage_engine().bf_aborts();
}
std::ostringstream os;
os << "Number of transactions: " << transactions
<< "\n"
<< "Seconds: " << duration
<< " \n"
<< "Transactions per second: " << transactions/duration
<< "\n"
<< "BF aborts: "
<< bf_aborts
<< "\n"
<< "Client commits: " << stats_.commits
<< "\n"
<< "Client rollbacks: " << stats_.rollbacks
<< "\n"
<< "Client replays: " << stats_.replays;
return os.str();
}
////////////////////////////////////////////////////////////////////////////////
// Private //
////////////////////////////////////////////////////////////////////////////////
void db::simulator::start()
{
wsrep::log() << "Provider: " << params_.wsrep_provider;
@ -65,64 +129,38 @@ void db::simulator::start()
void db::simulator::stop()
{
}
void db::simulator::sst(db::server& server,
const std::string& request,
const wsrep::gtid& gtid,
bool bypass)
{
size_t id;
std::istringstream is(request);
is >> id;
wsrep::unique_lock<wsrep::mutex> lock(mutex_);
auto i(servers_.find(id));
if (i == servers_.end())
for (auto& i : servers_)
{
throw wsrep::runtime_error("Server " + request + " not found");
db::server& server(*i.second);
server.stop_clients();
}
if (bypass == false)
clients_stop_ = std::chrono::steady_clock::now();
wsrep::log() << "######## Stats ############";
wsrep::log() << stats();
wsrep::log() << "######## Stats ############";
if (params_.fast_exit)
{
wsrep::log_info() << "SST " << server.server_context().id() << " -> " << id;
exit(0);
}
i->second->server_context().sst_received(gtid, 0);
server.server_context().sst_sent(gtid, 0);
}
std::string db::simulator::stats() const
{
size_t transactions(params_.n_servers * params_.n_clients
* params_.n_transactions);
auto duration(std::chrono::duration<double>(
clients_stop_ - clients_start_).count());
long long bf_aborts(0);
for (const auto& s : servers_)
for (auto& i : servers_)
{
bf_aborts += s.second->storage_engine().bf_aborts();
db::server& server(*i.second);
wsrep::log_info() << "Status for server: "
<< server.server_context().id();
auto status(server.server_context().provider().status());
for_each(status.begin(), status.end(),
[](const wsrep::provider::status_variable& sv)
{
wsrep::log() << sv.name() << " = " << sv.value();
});
server.server_context().disconnect();
server.server_context().wait_until_state(
wsrep::server_context::s_disconnected);
server.stop_applier();
server.server_context().unload_provider();
}
std::ostringstream os;
os << "Number of transactions: " << transactions
<< "\n"
<< "Seconds: " << duration
<< " \n"
<< "Transactions per second: " << transactions/duration
<< "\n"
<< "BF aborts: "
<< bf_aborts
<< "\n"
<< "Client commits: " << stats_.commits
<< "\n"
<< "Client aborts: " << stats_.aborts
<< "\n"
<< "Client replays: " << stats_.replays;
return os.str();
}
////////////////////////////////////////////////////////////////////////////////
// Private //
////////////////////////////////////////////////////////////////////////////////
std::string db::simulator::server_port(size_t i) const
{
std::ostringstream os;