mirror of https://github.com/facebook/rocksdb.git
85 lines
2.7 KiB
C++
85 lines
2.7 KiB
C++
// Copyright (c) 2013, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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#include <vector>
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#include "util/testharness.h"
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#include "util/benchharness.h"
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#include "db/version_set.h"
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#include "util/mutexlock.h"
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namespace rocksdb {
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std::string MakeKey(unsigned int num) {
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char buf[30];
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snprintf(buf, sizeof(buf), "%016u", num);
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return std::string(buf);
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}
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void BM_LogAndApply(int iters, int num_base_files) {
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VersionSet* vset;
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ColumnFamilyData* default_cfd;
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uint64_t fnum = 1;
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port::Mutex mu;
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MutexLock l(&mu);
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BENCHMARK_SUSPEND {
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std::string dbname = test::TmpDir() + "/rocksdb_test_benchmark";
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ASSERT_OK(DestroyDB(dbname, Options()));
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DB* db = nullptr;
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Options opts;
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opts.create_if_missing = true;
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Status s = DB::Open(opts, dbname, &db);
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ASSERT_OK(s);
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ASSERT_TRUE(db != nullptr);
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delete db;
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db = nullptr;
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Options options;
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EnvOptions sopt;
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// Notice we are using the default options not through SanitizeOptions().
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// We might want to initialize some options manually if needed.
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options.db_paths.emplace_back(dbname, 0);
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// The parameter of table cache is passed in as null, so any file I/O
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// operation is likely to fail.
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vset = new VersionSet(dbname, &options, sopt, nullptr);
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std::vector<ColumnFamilyDescriptor> dummy;
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dummy.push_back(ColumnFamilyDescriptor());
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ASSERT_OK(vset->Recover(dummy));
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default_cfd = vset->GetColumnFamilySet()->GetDefault();
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VersionEdit vbase;
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for (int i = 0; i < num_base_files; i++) {
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InternalKey start(MakeKey(2 * fnum), 1, kTypeValue);
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InternalKey limit(MakeKey(2 * fnum + 1), 1, kTypeDeletion);
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vbase.AddFile(2, ++fnum, 0, 1 /* file size */, start, limit, 1, 1);
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}
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ASSERT_OK(vset->LogAndApply(default_cfd, &vbase, &mu));
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}
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for (int i = 0; i < iters; i++) {
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VersionEdit vedit;
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vedit.DeleteFile(2, fnum);
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InternalKey start(MakeKey(2 * fnum), 1, kTypeValue);
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InternalKey limit(MakeKey(2 * fnum + 1), 1, kTypeDeletion);
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vedit.AddFile(2, ++fnum, 0, 1 /* file size */, start, limit, 1, 1);
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vset->LogAndApply(default_cfd, &vedit, &mu);
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}
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}
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BENCHMARK_NAMED_PARAM(BM_LogAndApply, 1000_iters_1_file, 1000, 1)
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BENCHMARK_NAMED_PARAM(BM_LogAndApply, 1000_iters_100_files, 1000, 100)
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BENCHMARK_NAMED_PARAM(BM_LogAndApply, 1000_iters_10000_files, 1000, 10000)
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BENCHMARK_NAMED_PARAM(BM_LogAndApply, 100_iters_100000_files, 100, 100000)
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} // namespace rocksdb
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int main(int argc, char** argv) {
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rocksdb::benchmark::RunBenchmarks();
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return 0;
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}
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