ClickHouse/dbms/programs/performance-test/ReportBuilder.cpp

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#include "ReportBuilder.h"
#include <algorithm>
#include <regex>
#include <sstream>
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#include <thread>
#include <Common/getNumberOfPhysicalCPUCores.h>
#include <Common/getFQDNOrHostName.h>
#include <common/getMemoryAmount.h>
#include "JSONString.h"
namespace DB
{
namespace
{
const std::regex QUOTE_REGEX{"\""};
std::string getMainMetric(const PerformanceTestInfo & test_info)
{
std::string main_metric;
if (test_info.main_metric.empty())
if (test_info.exec_type == ExecutionType::Loop)
main_metric = "min_time";
else
main_metric = "rows_per_second";
else
main_metric = test_info.main_metric;
return main_metric;
}
}
ReportBuilder::ReportBuilder(const std::string & server_version_)
: server_version(server_version_)
, hostname(getFQDNOrHostName())
, num_cores(getNumberOfPhysicalCPUCores())
, num_threads(std::thread::hardware_concurrency())
, ram(getMemoryAmount())
{
}
std::string ReportBuilder::getCurrentTime() const
{
return DateLUT::instance().timeToString(time(nullptr));
}
std::string ReportBuilder::buildFullReport(
const PerformanceTestInfo & test_info,
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std::vector<TestStats> & stats,
const std::vector<std::size_t> & queries_to_run) const
{
JSONString json_output;
json_output.set("hostname", hostname);
json_output.set("num_cores", num_cores);
json_output.set("num_threads", num_threads);
json_output.set("ram", ram);
json_output.set("server_version", server_version);
json_output.set("time", getCurrentTime());
json_output.set("test_name", test_info.test_name);
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json_output.set("path", test_info.path);
json_output.set("main_metric", getMainMetric(test_info));
if (test_info.substitutions.size())
{
JSONString json_parameters(2); /// here, 2 is the size of \t padding
for (auto it = test_info.substitutions.begin(); it != test_info.substitutions.end(); ++it)
{
std::string parameter = it->first;
Strings values = it->second;
std::ostringstream array_string;
array_string << "[";
for (size_t i = 0; i != values.size(); ++i)
{
array_string << '"' << std::regex_replace(values[i], QUOTE_REGEX, "\\\"") << '"';
if (i != values.size() - 1)
{
array_string << ", ";
}
}
array_string << ']';
json_parameters.set(parameter, array_string.str());
}
json_output.set("parameters", json_parameters.asString());
}
std::vector<JSONString> run_infos;
for (size_t query_index = 0; query_index < test_info.queries.size(); ++query_index)
{
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if (!queries_to_run.empty() && std::find(queries_to_run.begin(), queries_to_run.end(), query_index) == queries_to_run.end())
continue;
for (size_t number_of_launch = 0; number_of_launch < test_info.times_to_run; ++number_of_launch)
{
size_t stat_index = number_of_launch * test_info.queries.size() + query_index;
TestStats & statistics = stats[stat_index];
if (!statistics.ready)
continue;
JSONString runJSON;
auto query = std::regex_replace(test_info.queries[query_index], QUOTE_REGEX, "\\\"");
runJSON.set("query", query);
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runJSON.set("query_index", query_index);
if (!statistics.exception.empty())
runJSON.set("exception", statistics.exception);
if (test_info.exec_type == ExecutionType::Loop)
{
/// in seconds
runJSON.set("min_time", statistics.min_time / double(1000));
if (statistics.sampler.size() != 0)
{
JSONString quantiles(4); /// here, 4 is the size of \t padding
for (double percent = 10; percent <= 90; percent += 10)
{
std::string quantile_key = std::to_string(percent / 100.0);
while (quantile_key.back() == '0')
quantile_key.pop_back();
quantiles.set(quantile_key,
statistics.sampler.quantileInterpolated(percent / 100.0));
}
quantiles.set("0.95",
statistics.sampler.quantileInterpolated(95 / 100.0));
quantiles.set("0.99",
statistics.sampler.quantileInterpolated(99 / 100.0));
quantiles.set("0.999",
statistics.sampler.quantileInterpolated(99.9 / 100.0));
quantiles.set("0.9999",
statistics.sampler.quantileInterpolated(99.99 / 100.0));
runJSON.set("quantiles", quantiles.asString());
}
runJSON.set("total_time", statistics.total_time);
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if (statistics.total_time != 0)
{
runJSON.set("queries_per_second", static_cast<double>(statistics.queries) / statistics.total_time);
runJSON.set("rows_per_second", static_cast<double>(statistics.total_rows_read) / statistics.total_time);
runJSON.set("bytes_per_second", static_cast<double>(statistics.total_bytes_read) / statistics.total_time);
}
}
else
{
runJSON.set("max_rows_per_second", statistics.max_rows_speed);
runJSON.set("max_bytes_per_second", statistics.max_bytes_speed);
runJSON.set("avg_rows_per_second", statistics.avg_rows_speed_value);
runJSON.set("avg_bytes_per_second", statistics.avg_bytes_speed_value);
}
run_infos.push_back(runJSON);
}
}
json_output.set("runs", run_infos);
return json_output.asString();
}
std::string ReportBuilder::buildCompactReport(
const PerformanceTestInfo & test_info,
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std::vector<TestStats> & stats,
const std::vector<std::size_t> & queries_to_run) const
{
std::ostringstream output;
for (size_t query_index = 0; query_index < test_info.queries.size(); ++query_index)
{
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if (!queries_to_run.empty() && std::find(queries_to_run.begin(), queries_to_run.end(), query_index) == queries_to_run.end())
continue;
for (size_t number_of_launch = 0; number_of_launch < test_info.times_to_run; ++number_of_launch)
{
if (test_info.queries.size() > 1)
output << "query \"" << test_info.queries[query_index] << "\", ";
output << "run " << std::to_string(number_of_launch + 1) << ": ";
std::string main_metric = getMainMetric(test_info);
output << main_metric << " = ";
size_t index = number_of_launch * test_info.queries.size() + query_index;
output << stats[index].getStatisticByName(main_metric);
output << "\n";
}
}
return output.str();
}
}