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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
#include <boost/scoped_ptr.hpp>
#include <boost/lexical_cast.hpp>
#include <boost/program_options/option.hpp>
#include <boost/program_options/options_description.hpp>
#include <boost/program_options/variables_map.hpp>
#include <boost/program_options/cmdline.hpp>
#include <boost/program_options/parsers.hpp>
#include <iostream>
#include <set>
#include <sstream>
#include <stdlib.h>
#include <fstream>
#include <iostream>
#include "common/Formatter.h"
#include "global/global_init.h"
#include "global/global_context.h"
#include "dumb_backend.h"
#include "bencher.h"
#include "rados_backend.h"
#include "detailed_stat_collector.h"
#include "distribution.h"
namespace po = boost::program_options;
using namespace std;
int main(int argc, char **argv)
{
po::options_description desc("Allowed options");
desc.add_options()
("help", "produce help message")
("num-concurrent-ops", po::value<unsigned>()->default_value(10),
"set number of concurrent ops")
("num-objects", po::value<unsigned>()->default_value(500),
"set number of objects to use")
("object-size", po::value<unsigned>()->default_value(4<<20),
"set object size")
("io-size", po::value<unsigned>()->default_value(4<<10),
"set io size")
("write-ratio", po::value<double>()->default_value(0.75),
"set ratio of read to write")
("duration", po::value<unsigned>()->default_value(0),
"set max duration, 0 for unlimited")
("max-ops", po::value<unsigned>()->default_value(0),
"set max ops, 0 for unlimited")
("seed", po::value<unsigned>(),
"seed")
("num-colls", po::value<unsigned>()->default_value(20),
"number of collections")
("op-dump-file", po::value<string>()->default_value(""),
"set file for dumping op details, omit for stderr")
("filestore-path", po::value<string>(),
"path to filestore directory, mandatory")
("offset-align", po::value<unsigned>()->default_value(4096),
"align offset by")
("fsync", po::value<bool>()->default_value(false),
"fsync after each write")
("sync-file-range", po::value<bool>()->default_value(false),
"sync-file-range after each write")
("fadvise", po::value<bool>()->default_value(false),
"fadvise after each write")
("sync-interval", po::value<unsigned>()->default_value(30),
"frequency to sync")
("sequential", po::value<bool>()->default_value(false),
"use sequential access pattern")
("disable-detailed-ops", po::value<bool>()->default_value(false),
"don't dump per op stats")
;
po::variables_map vm;
po::parsed_options parsed =
po::command_line_parser(argc, argv).options(desc).allow_unregistered().run();
po::store(
parsed,
vm);
po::notify(vm);
vector<const char *> ceph_options, def_args;
vector<string> ceph_option_strings = po::collect_unrecognized(
parsed.options, po::include_positional);
ceph_options.reserve(ceph_option_strings.size());
for (vector<string>::iterator i = ceph_option_strings.begin();
i != ceph_option_strings.end();
++i) {
ceph_options.push_back(i->c_str());
}
global_init(
&def_args, ceph_options, CEPH_ENTITY_TYPE_CLIENT,
CODE_ENVIRONMENT_UTILITY,
CINIT_FLAG_NO_DEFAULT_CONFIG_FILE);
common_init_finish(g_ceph_context);
g_ceph_context->_conf->apply_changes(NULL);
if (!vm.count("filestore-path")) {
cout << "Must provide filestore-path" << std::endl
<< desc << std::endl;
return 1;
}
if (vm.count("help")) {
cout << desc << std::endl;
return 1;
}
rngen_t rng;
if (vm.count("seed"))
rng = rngen_t(vm["seed"].as<unsigned>());
set<pair<double, Bencher::OpType> > ops;
ops.insert(make_pair(vm["write-ratio"].as<double>(), Bencher::WRITE));
ops.insert(make_pair(1-vm["write-ratio"].as<double>(), Bencher::READ));
cout << "Creating objects.." << std::endl;
bufferlist bl;
for (uint64_t i = 0; i < vm["object-size"].as<unsigned>(); ++i) {
bl.append(0);
}
set<string> objects;
for (uint64_t num = 0; num < vm["num-objects"].as<unsigned>(); ++num) {
unsigned col_num = num % vm["num-colls"].as<unsigned>();
stringstream coll, obj;
coll << "collection_" << col_num;
obj << "obj_" << num;
if (num == col_num) {
std::cout << "collection " << coll.str() << std::endl;
string coll_str(
vm["filestore-path"].as<string>() + string("/") + coll.str());
int r = ::mkdir(
coll_str.c_str(),
0777);
if (r < 0) {
std::cerr << "Error " << errno << " creating collection" << std::endl;
return 1;
}
}
objects.insert(coll.str() + "/" + obj.str());
}
string meta_str(vm["filestore-path"].as<string>() + string("/meta"));
int r = ::mkdir(
meta_str.c_str(),
0777);
if (r < 0) {
std::cerr << "Error " << errno << " creating collection" << std::endl;
return 1;
}
r = ::open(meta_str.c_str(), 0);
if (r < 0) {
std::cerr << "Error " << errno << " opening meta" << std::endl;
return 1;
}
int sync_fd = r;
ostream *detailed_ops = 0;
ofstream myfile;
if (vm["disable-detailed-ops"].as<bool>()) {
detailed_ops = 0;
} else if (vm["op-dump-file"].as<string>().size()) {
myfile.open(vm["op-dump-file"].as<string>().c_str());
detailed_ops = &myfile;
} else {
detailed_ops = &cerr;
}
Distribution<
boost::tuple<string, uint64_t, uint64_t, Bencher::OpType> > *gen = 0;
if (vm["sequential"].as<bool>()) {
std::cout << "Using Sequential generator" << std::endl;
gen = new SequentialLoad(
objects,
vm["object-size"].as<unsigned>(),
vm["io-size"].as<unsigned>(),
new WeightedDist<Bencher::OpType>(rng, ops)
);
} else {
std::cout << "Using random generator" << std::endl;
gen = new FourTupleDist<string, uint64_t, uint64_t, Bencher::OpType>(
new RandomDist<string>(rng, objects),
new Align(
new UniformRandom(
rng,
0,
vm["object-size"].as<unsigned>() - vm["io-size"].as<unsigned>()),
vm["offset-align"].as<unsigned>()
),
new Uniform(vm["io-size"].as<unsigned>()),
new WeightedDist<Bencher::OpType>(rng, ops)
);
}
Bencher bencher(
gen,
new DetailedStatCollector(1, new JSONFormatter, detailed_ops, &cout),
new DumbBackend(
vm["filestore-path"].as<string>(),
vm["fsync"].as<bool>(),
vm["sync-file-range"].as<bool>(),
vm["fadvise"].as<bool>(),
vm["sync-interval"].as<unsigned>(),
sync_fd,
10,
g_ceph_context),
vm["num-concurrent-ops"].as<unsigned>(),
vm["duration"].as<unsigned>(),
vm["max-ops"].as<unsigned>());
bencher.init(objects, vm["object-size"].as<unsigned>(), &std::cout);
cout << "Created objects..." << std::endl;
bencher.run_bench();
if (vm["op-dump-file"].as<string>().size()) {
myfile.close();
}
return 0;
}
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