mirror of
https://github.com/facebook/rocksdb.git
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79edf0a7a8
Summary: log_write_bench doesn't compile due to some recent API changes. This patch fixes the compile by adding the missing params for OptimizeForLogWrite() and WritableFileWriter(). Signed-off-by: Yuan Zhou <yuan.zhou@intel.com> Pull Request resolved: https://github.com/facebook/rocksdb/pull/5335 Differential Revision: D15588875 Pulled By: miasantreble fbshipit-source-id: 726ff4dc227733e915c3b796df25bd3ab0b431ac
87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#ifndef GFLAGS
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#include <cstdio>
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int main() {
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fprintf(stderr, "Please install gflags to run rocksdb tools\n");
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return 1;
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}
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#else
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#include "monitoring/histogram.h"
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#include "rocksdb/env.h"
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#include "test_util/testharness.h"
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#include "test_util/testutil.h"
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#include "util/file_reader_writer.h"
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#include "util/gflags_compat.h"
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using GFLAGS_NAMESPACE::ParseCommandLineFlags;
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using GFLAGS_NAMESPACE::SetUsageMessage;
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// A simple benchmark to simulate transactional logs
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DEFINE_int32(num_records, 6000, "Number of records.");
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DEFINE_int32(record_size, 249, "Size of each record.");
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DEFINE_int32(record_interval, 10000, "Interval between records (microSec)");
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DEFINE_int32(bytes_per_sync, 0, "bytes_per_sync parameter in EnvOptions");
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DEFINE_bool(enable_sync, false, "sync after each write.");
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namespace rocksdb {
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void RunBenchmark() {
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std::string file_name = test::PerThreadDBPath("log_write_benchmark.log");
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DBOptions options;
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Env* env = Env::Default();
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EnvOptions env_options = env->OptimizeForLogWrite(EnvOptions(), options);
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env_options.bytes_per_sync = FLAGS_bytes_per_sync;
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std::unique_ptr<WritableFile> file;
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env->NewWritableFile(file_name, &file, env_options);
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std::unique_ptr<WritableFileWriter> writer;
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writer.reset(new WritableFileWriter(std::move(file), file_name, env_options,
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env, nullptr /* stats */,
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options.listeners));
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std::string record;
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record.assign(FLAGS_record_size, 'X');
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HistogramImpl hist;
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uint64_t start_time = env->NowMicros();
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for (int i = 0; i < FLAGS_num_records; i++) {
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uint64_t start_nanos = env->NowNanos();
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writer->Append(record);
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writer->Flush();
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if (FLAGS_enable_sync) {
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writer->Sync(false);
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}
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hist.Add(env->NowNanos() - start_nanos);
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if (i % 1000 == 1) {
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fprintf(stderr, "Wrote %d records...\n", i);
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}
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int time_to_sleep =
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(i + 1) * FLAGS_record_interval - (env->NowMicros() - start_time);
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if (time_to_sleep > 0) {
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env->SleepForMicroseconds(time_to_sleep);
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}
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}
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fprintf(stderr, "Distribution of latency of append+flush: \n%s",
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hist.ToString().c_str());
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}
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} // namespace rocksdb
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int main(int argc, char** argv) {
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SetUsageMessage(std::string("\nUSAGE:\n") + std::string(argv[0]) +
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" [OPTIONS]...");
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ParseCommandLineFlags(&argc, &argv, true);
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rocksdb::RunBenchmark();
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return 0;
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}
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#endif // GFLAGS
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