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tkrzw_dbm_perf.cc
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/*************************************************************************************************
* Performance checker of DBM implementations
*
* Copyright 2020 Google LLC
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of the License at
* https://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific language governing permissions
* and limitations under the License.
*************************************************************************************************/
#include "tkrzw_cmd_util.h"
namespace tkrzw {
// Prints the usage to the standard error and dies.
static void PrintUsageAndDie() {
auto P = EPrintF;
const char* progname = "tkrzw_dbm_perf";
P("%s: Performance checker of DBM implementations of Tkrzw\n", progname);
P("\n");
P("Usage:\n");
P(" %s sequence [options]\n", progname);
P(" : Checks setting/getting/removing performance in sequence.\n");
P(" %s parallel [options]\n", progname);
P(" : Checks setting/getting/removing performance in parallel.\n");
P(" %s wicked [options]\n", progname);
P(" : Checks consistency with various operations.\n");
P(" %s index [options]\n", progname);
P(" : Checks performance of on-memory indexing.\n");
P("\n");
P("Common options:\n");
P(" --dbm impl : The name of a DBM implementation:"
" auto, hash, tree, skip, tiny, baby, cache, stdhash, stdtree, poly, shard."
" (default: auto)\n");
P(" --iter num : The number of iterations. (default: 10000)\n");
P(" --size num : The size of each record value. (default: 8)\n");
P(" --threads num : The number of threads. (default: 1)\n");
P(" --random_seed num : The random seed or negative for real RNG. (default: 0)\n");
P(" --verbose : Prints verbose reports.\n");
P(" --path path : The path of the file to write or read.\n");
P(" --file impl : The name of a file implementation:"
" std, mmap-para, mmap-atom, pos-para, pos-atom. (default: mmap-para)\n");
P(" --no_wait : Fails if the file is locked by another process.\n");
P(" --no_lock : Omits file locking.\n");
P(" --sync_hard : Synchronizes the file physically when closing.\n");
P(" --alloc_init num : The initial allocation size. (default: %lld)\n",
File::DEFAULT_ALLOC_INIT_SIZE);
P(" --alloc_inc num : The allocation increment factor. (default: %.1f)\n",
File::DEFAULT_ALLOC_INC_FACTOR);
P(" --block_size num : The block size of the positional access file. (default: 1)\n");
P(" --direct_io : Enables the direct I/O option of the positional access file.\n");
P(" --sync_io : Enables the synchronous I/O option of the positional access file.\n");
P(" --padding : Enables padding at the end of the file.\n");
P(" --pagecache : Enables the mini page cache in the process.\n");
P(" --ulog str : Sets the prefix of update log files.\n");
P("\n");
P("Options for the sequence subcommand:\n");
P(" --random_key : Uses random keys rather than sequential ones.\n");
P(" --random_value : Uses random length values rather than fixed ones.\n");
P(" --set_only : Does only setting.\n");
P(" --get_only : Does only getting.\n");
P(" --remove_only : Does only removing.\n");
P(" --validate : Validates records.\n");
P(" --copy str : Copies the database file.\n");
P("\n");
P("Options for the parallel subcommand:\n");
P(" --random_key : Uses random keys rather than sequential ones.\n");
P(" --random_value : Uses random length values rather than fixed ones.\n");
P(" --keys : The number of unique keys.\n");
P(" --rebuild : Rebuilds the database occasionally.\n");
P(" --sleep num : The duration to sleep between iterations. (default: 0)\n");
P(" --validate : Validates records.\n");
P("\n");
P("Options for the wicked subcommand:\n");
P(" --iterator : Uses iterators occasionally.\n");
P(" --clear : Clears the database occasionally.\n");
P(" --rebuild : Rebuilds the database occasionally.\n");
P(" --validate : Validates records.\n");
P("\n");
P("Options for the index subcommand:\n");
P(" --type expr : The types of the key and value of the index:"
" file, mem, n2n, n2s, s2n, s2s, str, file. (default: file)\n");
P(" --random_key : Uses random keys rather than sequential ones.\n");
P(" --random_value : Uses random length values rather than fixed ones.\n");
P("\n");
P("Options for HashDBM:\n");
P(" --append : Uses the appending mode rather than the in-place mode.\n");
P(" --record_crc num : The record CRC mode: -1, 0, 8, 16, 32. (default: 0 or -1)\n");
P(" --record_comp str : The record compression mode:"
" default, none, zlib, zstd, lz4, lzma, rc4, aes. (default: none or default)\n");
P(" --offset_width num : The width to represent the offset of records. (default: %d)\n",
HashDBM::DEFAULT_OFFSET_WIDTH);
P(" --align_pow num : Sets the power to align records. (default: %d)\n",
HashDBM::DEFAULT_ALIGN_POW);
P(" --buckets num : Sets the number of buckets for hashing. (default: %lld)\n",
HashDBM::DEFAULT_NUM_BUCKETS);
P(" --fbp_cap num : Sets the capacity of the free block pool. (default: %d)\n",
HashDBM::DEFAULT_FBP_CAPACITY);
P(" --min_read_size num : Sets the minimum reading size to read a record. (default: -1)\n");
P(" --cache_buckets : Caches the hash buckets on memory.\n");
P(" --cipher_key str : Sets the encryption key for cipher compressors. (default: empty)\n");
P("\n");
P("Options for TreeDBM and FileIndex:\n");
P(" --append : Uses the appending mode rather than the in-place mode.\n");
P(" --record_crc num : The record CRC mode: -1, 0, 8, 16, 32. (default: 0 or -1)\n");
P(" --record_comp str : The record compression mode:"
" default, none, zlib, zstd, lz4, lzma, rc4, aes. (default: none or default)\n");
P(" --offset_width num : The width to represent the offset of records. (default: %d)\n",
TreeDBM::DEFAULT_OFFSET_WIDTH);
P(" --align_pow num : Sets the power to align records. (default: %d)\n",
TreeDBM::DEFAULT_ALIGN_POW);
P(" --buckets num : Sets the number of buckets for hashing. (default: %lld)\n",
TreeDBM::DEFAULT_NUM_BUCKETS);
P(" --fbp_cap num : Sets the capacity of the free block pool. (default: %d)\n",
TreeDBM::DEFAULT_FBP_CAPACITY);
P(" --min_read_size num : Sets the minimum reading size to read a record. (default: -1)\n");
P(" --cache_buckets : Caches the hash buckets on memory.\n");
P(" --cipher_key str : Sets the encryption key for cipher compressors. (default: empty)\n");
P(" --max_page_size num : Sets the maximum size of a page. (default: %d)\n",
TreeDBM::DEFAULT_MAX_PAGE_SIZE);
P(" --max_branches num : Sets the maximum number of branches of inner nodes. (default: %d)\n",
TreeDBM::DEFAULT_MAX_BRANCHES);
P(" --max_cached_pages num : Sets the maximum number of cached pages. (default: %d)\n",
TreeDBM::DEFAULT_MAX_CACHED_PAGES);
P(" --page_update_write : Writes updated pages immediately.\n");
P("\n");
P("Options for SkipDBM:\n");
P(" --offset_width num : The width to represent the offset of records. (default: %d)\n",
SkipDBM::DEFAULT_OFFSET_WIDTH);
P(" --step_unit num : Sets the step unit of the skip list. (default: %d)\n",
SkipDBM::DEFAULT_STEP_UNIT);
P(" --max_level num : Sets the maximum level of the skip list. (default: %d)\n",
SkipDBM::DEFAULT_MAX_LEVEL);
P(" --sort_mem_size num : Sets the memory size used for sorting. (default: %lld)\n",
SkipDBM::DEFAULT_SORT_MEM_SIZE);
P(" --insert_in_order : Inserts records in ascending order of the key.\n");
P(" --max_cached_records num : Sets the number of cached records (default: %d)\n",
SkipDBM::DEFAULT_MAX_CACHED_RECORDS);
P(" --reducer func : Sets the reducer: none, first, second, last, concat, total."
" (default: none)\n");
P("\n");
P("Options for TinyDBM and StdHashDBM:\n");
P(" --buckets num : Sets the number of buckets for hashing. (default: %lld)\n",
TinyDBM::DEFAULT_NUM_BUCKETS);
P("\n");
P("Options for CacheDBM:\n");
P(" --cap_rec_num num : Sets the maximum number of records. (default: %lld)\n",
CacheDBM::DEFAULT_CAP_REC_NUM);
P(" --cap_memsize num : Sets the total memory size to use.\n");
P("\n");
P("Options for PolyDBM and ShardDBM:\n");
P(" --params str : Sets the parameters in \"key=value,key=value\" format.\n");
P("\n");
std::exit(1);
}
// Makes a DBM object or die.
std::unique_ptr<DBM> MakeDBMOrDie(
const std::string& dbm_impl, const std::string& file_impl,
const std::string& file_path, int32_t alloc_init_size, double alloc_increment,
int64_t block_size, bool is_direct_io,
bool is_sync_io, bool is_padding, bool is_pagecache,
int64_t num_buckets, int64_t cap_rec_num, int64_t cap_mem_size) {
std::string dbm_impl_mod = dbm_impl;
if (dbm_impl == "auto") {
const std::string ext = StrLowerCase(PathToExtension(file_path));
if (ext == "tkh") {
dbm_impl_mod = "hash";
} else if (ext == "tkt") {
dbm_impl_mod = "tree";
} else if (ext == "tks") {
dbm_impl_mod = "skip";
} else if (ext == "tkmt" || ext == "flat") {
dbm_impl_mod = "tiny";
} else if (ext == "tkmb") {
dbm_impl_mod = "baby";
} else if (ext == "tkmc") {
dbm_impl_mod = "cache";
} else if (ext == "tksh") {
dbm_impl_mod = "stdhash";
} else if (ext == "tkst") {
dbm_impl_mod = "stdtree";
} else if (!ext.empty()) {
dbm_impl_mod = ext;
}
}
auto file = MakeFileOrDie(file_impl, alloc_init_size, alloc_increment);
SetAccessStrategyOrDie(file.get(), block_size, is_direct_io,
is_sync_io, is_padding, is_pagecache);
std::unique_ptr<DBM> dbm;
if (dbm_impl_mod == "hash") {
if (file_path.empty()) {
Die("The file path must be specified");
}
dbm = std::make_unique<HashDBM>(std::move(file));
} else if (dbm_impl_mod == "tree") {
if (file_path.empty()) {
Die("The file path must be specified");
}
dbm = std::make_unique<TreeDBM>(std::move(file));
} else if (dbm_impl_mod == "skip") {
if (file_path.empty()) {
Die("The file path must be specified");
}
dbm = std::make_unique<SkipDBM>(std::move(file));
} else if (dbm_impl_mod == "tiny") {
dbm = std::make_unique<TinyDBM>(std::move(file), num_buckets);
} else if (dbm_impl_mod == "baby") {
dbm = std::make_unique<BabyDBM>(
std::move(file));
} else if (dbm_impl_mod == "cache") {
dbm = std::make_unique<CacheDBM>(std::move(file), cap_rec_num, cap_mem_size);
} else if (dbm_impl_mod == "stdhash") {
dbm = std::make_unique<StdHashDBM>(std::move(file), num_buckets);
} else if (dbm_impl_mod == "stdtree") {
dbm = std::make_unique<StdTreeDBM>(std::move(file));
} else if (dbm_impl_mod == "poly") {
dbm = std::make_unique<PolyDBM>();
} else if (dbm_impl_mod == "shard") {
dbm = std::make_unique<ShardDBM>();
} else {
Die("Unknown DBM implementation: ", dbm_impl);
}
return dbm;
}
// Sets up a DBM object.
bool SetUpDBM(DBM* dbm, bool writable, bool initialize, const std::string& file_path,
bool with_no_wait, bool with_no_lock, bool with_sync_hard,
bool is_append, int32_t record_crc, const std::string& record_comp,
int32_t offset_width, int32_t align_pow, int64_t num_buckets,
int32_t fbp_cap, int32_t min_read_size,
bool cache_buckets, const std::string cipher_key,
int32_t max_page_size, int32_t max_branches, int32_t max_cached_pages,
bool page_update_write, int32_t step_unit, int32_t max_level,
int64_t sort_mem_size, bool insert_in_order, int32_t max_cached_records,
const std::string& poly_params) {
bool has_error = false;
int32_t open_options = File::OPEN_DEFAULT;
if (initialize) {
open_options |= File::OPEN_TRUNCATE;
}
if (with_no_wait) {
open_options |= File::OPEN_NO_WAIT;
}
if (with_no_lock) {
open_options |= File::OPEN_NO_LOCK;
}
if (with_sync_hard) {
open_options |= File::OPEN_SYNC_HARD;
}
const auto& dbm_type = dbm->GetType();
if (dbm_type == typeid(HashDBM)) {
HashDBM* hash_dbm = dynamic_cast<HashDBM*>(dbm);
tkrzw::HashDBM::TuningParameters tuning_params;
tuning_params.update_mode =
is_append ? tkrzw::HashDBM::UPDATE_APPENDING : tkrzw::HashDBM::UPDATE_IN_PLACE;
if (record_crc == 0) {
tuning_params.record_crc_mode = tkrzw::HashDBM::RECORD_CRC_NONE;
} else if (record_crc == 8) {
tuning_params.record_crc_mode = tkrzw::HashDBM::RECORD_CRC_8;
} else if (record_crc == 16) {
tuning_params.record_crc_mode = tkrzw::HashDBM::RECORD_CRC_16;
} else if (record_crc == 32) {
tuning_params.record_crc_mode = tkrzw::HashDBM::RECORD_CRC_32;
}
if (record_comp == "none") {
tuning_params.record_comp_mode = tkrzw::HashDBM::RECORD_COMP_NONE;
} else if (record_comp == "zlib") {
tuning_params.record_comp_mode = tkrzw::HashDBM::RECORD_COMP_ZLIB;
} else if (record_comp == "zstd") {
tuning_params.record_comp_mode = tkrzw::HashDBM::RECORD_COMP_ZSTD;
} else if (record_comp == "lz4") {
tuning_params.record_comp_mode = tkrzw::HashDBM::RECORD_COMP_LZ4;
} else if (record_comp == "lzma") {
tuning_params.record_comp_mode = tkrzw::HashDBM::RECORD_COMP_LZMA;
} else if (record_comp == "rc4") {
tuning_params.record_comp_mode = tkrzw::HashDBM::RECORD_COMP_RC4;
} else if (record_comp == "aes") {
tuning_params.record_comp_mode = tkrzw::HashDBM::RECORD_COMP_AES;
}
tuning_params.offset_width = offset_width;
tuning_params.align_pow = align_pow;
tuning_params.num_buckets = num_buckets;
tuning_params.restore_mode = tkrzw::HashDBM::RESTORE_READ_ONLY;
tuning_params.fbp_capacity = fbp_cap;
tuning_params.min_read_size = min_read_size;
tuning_params.cache_buckets = cache_buckets;
tuning_params.cipher_key = cipher_key;
const Status status =
hash_dbm->OpenAdvanced(file_path, writable, open_options, tuning_params);
if (status != Status::SUCCESS) {
EPrintL("OpenAdvanced failed: ", status);
has_error = true;
}
}
if (dbm_type == typeid(TreeDBM)) {
TreeDBM* tree_dbm = dynamic_cast<TreeDBM*>(dbm);
tkrzw::TreeDBM::TuningParameters tuning_params;
tuning_params.update_mode =
is_append ? tkrzw::HashDBM::UPDATE_APPENDING : tkrzw::HashDBM::UPDATE_IN_PLACE;
if (record_crc == 0) {
tuning_params.record_crc_mode = tkrzw::HashDBM::RECORD_CRC_NONE;
} else if (record_crc == 8) {
tuning_params.record_crc_mode = tkrzw::HashDBM::RECORD_CRC_8;
} else if (record_crc == 16) {
tuning_params.record_crc_mode = tkrzw::HashDBM::RECORD_CRC_16;
} else if (record_crc == 32) {
tuning_params.record_crc_mode = tkrzw::HashDBM::RECORD_CRC_32;
}
if (record_comp == "none") {
tuning_params.record_comp_mode = tkrzw::HashDBM::RECORD_COMP_NONE;
} else if (record_comp == "zlib") {
tuning_params.record_comp_mode = tkrzw::HashDBM::RECORD_COMP_ZLIB;
} else if (record_comp == "zstd") {
tuning_params.record_comp_mode = tkrzw::HashDBM::RECORD_COMP_ZSTD;
} else if (record_comp == "lz4") {
tuning_params.record_comp_mode = tkrzw::HashDBM::RECORD_COMP_LZ4;
} else if (record_comp == "lzma") {
tuning_params.record_comp_mode = tkrzw::HashDBM::RECORD_COMP_LZMA;
} else if (record_comp == "rc4") {
tuning_params.record_comp_mode = tkrzw::HashDBM::RECORD_COMP_RC4;
} else if (record_comp == "aes") {
tuning_params.record_comp_mode = tkrzw::HashDBM::RECORD_COMP_AES;
}
tuning_params.offset_width = offset_width;
tuning_params.align_pow = align_pow;
tuning_params.num_buckets = num_buckets;
tuning_params.restore_mode = tkrzw::HashDBM::RESTORE_READ_ONLY;
tuning_params.fbp_capacity = fbp_cap;
tuning_params.min_read_size = min_read_size;
tuning_params.cache_buckets = cache_buckets;
tuning_params.cipher_key = cipher_key;
tuning_params.max_page_size = max_page_size;
tuning_params.max_branches = max_branches;
tuning_params.max_cached_pages = max_cached_pages;
tuning_params.page_update_mode =
page_update_write ? tkrzw::TreeDBM::PAGE_UPDATE_WRITE :tkrzw::TreeDBM::PAGE_UPDATE_NONE;
const Status status =
tree_dbm->OpenAdvanced(file_path, writable, open_options, tuning_params);
if (status != Status::SUCCESS) {
EPrintL("OpenAdvanced failed: ", status);
has_error = true;
}
}
if (dbm_type == typeid(SkipDBM)) {
SkipDBM* skip_dbm = dynamic_cast<SkipDBM*>(dbm);
tkrzw::SkipDBM::TuningParameters tuning_params;
tuning_params.offset_width = offset_width;
tuning_params.step_unit = step_unit;
tuning_params.max_level = max_level;
tuning_params.restore_mode = tkrzw::SkipDBM::RESTORE_READ_ONLY;
tuning_params.sort_mem_size = sort_mem_size;
tuning_params.insert_in_order = insert_in_order;
tuning_params.max_cached_records = max_cached_records;
const Status status =
skip_dbm->OpenAdvanced(file_path, writable, open_options, tuning_params);
if (status != Status::SUCCESS) {
EPrintL("OpenAdvanced failed: ", status);
has_error = true;
}
}
if (dbm_type == typeid(TinyDBM) || dbm_type == typeid(BabyDBM) ||
dbm_type == typeid(CacheDBM) ||
dbm_type == typeid(StdHashDBM) || dbm_type == typeid(StdTreeDBM)) {
if (!file_path.empty()) {
const Status status = dbm->Open(file_path, writable, open_options);
if (status != Status::SUCCESS) {
EPrintL("Open failed: ", status);
has_error = true;
}
}
}
if (dbm_type == typeid(PolyDBM) || dbm_type == typeid(ShardDBM)) {
ParamDBM* param_dbm = dynamic_cast<ParamDBM*>(dbm);
const std::map<std::string, std::string> tuning_params =
tkrzw::StrSplitIntoMap(poly_params, ",", "=");
const Status status =
param_dbm->OpenAdvanced(file_path, writable, open_options, tuning_params);
if (status != Status::SUCCESS) {
EPrintL("OpenAdvanced failed: ", status);
has_error = true;
}
}
return !has_error;
}
// Gets a reducer or die.
SkipDBM::ReducerType GetReducerOrDier(const std::string& reducer_name) {
SkipDBM::ReducerType reducer = nullptr;
if (reducer_name == "none") {
reducer = nullptr;
} else if (reducer_name == "first") {
reducer = SkipDBM::ReduceToFirst;
} else if (reducer_name == "second") {
reducer = SkipDBM::ReduceToSecond;
} else if (reducer_name == "last") {
reducer = SkipDBM::ReduceToLast;
} else if (reducer_name == "concat") {
reducer = SkipDBM::ReduceConcat;
} else if (reducer_name == "total") {
reducer = SkipDBM::ReduceToTotal;
} else {
Die("Unknown ReducerType implementation: ", reducer_name);
}
return reducer;
}
// Synchronizes a DBM object.
bool SynchronizeDBM(DBM* dbm, const std::string& reducer_name, const std::string& copy_path) {
bool has_error = false;
Status copy_status;
std::unique_ptr<DBM::FileProcessorCopyFileData> copy_proc;
if (!copy_path.empty()) {
copy_proc = std::make_unique<DBM::FileProcessorCopyFileData>(©_status, copy_path);
}
const auto& dbm_type = dbm->GetType();
if (dbm_type == typeid(SkipDBM)) {
SkipDBM* skip_dbm = dynamic_cast<SkipDBM*>(dbm);
const Status status = skip_dbm->SynchronizeAdvanced(
false, copy_proc.get(), GetReducerOrDier(reducer_name));
if (status != Status::SUCCESS) {
EPrintL("SynchronizeAdvanced failed: ", status);
has_error = true;
}
} else if (dbm_type == typeid(PolyDBM) || dbm_type == typeid(ShardDBM)) {
ParamDBM* param_dbm = dynamic_cast<ParamDBM*>(dbm);
std::map<std::string, std::string> params;
if (!reducer_name.empty() && reducer_name != "none") {
params.emplace("reducer", reducer_name);
}
const Status status = param_dbm->SynchronizeAdvanced(
false, copy_proc.get(), params);
if (status != Status::SUCCESS) {
EPrintL("SynchronizeAdvanced failed: ", status);
has_error = true;
}
} else {
const Status status = dbm->Synchronize(false, copy_proc.get());
if (status != Status::SUCCESS) {
EPrintL("Synchronize failed: ", status);
has_error = true;
}
}
return !has_error;
}
// Tears down a DBM object.
bool TearDownDBM(DBM* dbm, const std::string& file_path, bool is_verbose) {
bool has_error = false;
const auto& dbm_type = dbm->GetType();
if (dbm_type == typeid(HashDBM)) {
HashDBM* hash_dbm = dynamic_cast<HashDBM*>(dbm);
const int64_t file_size = hash_dbm->GetFileSizeSimple();
const int64_t eff_data_size = hash_dbm->GetEffectiveDataSize();
PrintF(" file_size=%lld eff_data_size=%lld efficiency=%.2f%%\n",
file_size, eff_data_size, eff_data_size * 100.0 / file_size);
const int64_t num_buckets = hash_dbm->CountBuckets();
const double load_factor = hash_dbm->CountSimple() * 1.0 / num_buckets;
PrintF(" num_buckets=%lld load_factor=%.2f\n", num_buckets, load_factor);
if (is_verbose) {
const int64_t num_used_buckets = hash_dbm->CountUsedBuckets();
const double used_bucket_ratio = num_used_buckets * 1.0 / num_buckets;
PrintF(" num_used_buckets=%lld used_bucket_ratio=%.2f%%\n",
num_used_buckets, used_bucket_ratio * 100);
}
const Status status = hash_dbm->Close();
if (status != Status::SUCCESS) {
EPrintL("Close failed: ", status);
has_error = true;
}
}
if (dbm_type == typeid(TreeDBM)) {
TreeDBM* tree_dbm = dynamic_cast<TreeDBM*>(dbm);
const int64_t file_size = tree_dbm->GetFileSizeSimple();
const int64_t eff_data_size = tree_dbm->GetEffectiveDataSize();
PrintF(" file_size=%lld eff_data_size=%lld efficiency=%.2f%%\n",
file_size, eff_data_size, eff_data_size * 100.0 / file_size);
if (is_verbose) {
const auto& meta = dbm->Inspect();
const std::map<std::string, std::string> meta_map(meta.begin(), meta.end());
const int32_t level = StrToInt(SearchMap(meta_map, "tree_level", "0"));
const int64_t num_pages = StrToInt(SearchMap(meta_map, "hash_num_records", "0"));
const double load_factor =
num_pages * 1.0 / StrToInt(SearchMap(meta_map, "hash_num_buckets", "0"));
PrintF(" level=%d num_pages=%lld load_factor=%.2f\n", level, num_pages, load_factor);
}
const Status status = tree_dbm->Close();
if (status != Status::SUCCESS) {
EPrintL("Close failed: ", status);
has_error = true;
}
}
if (dbm_type == typeid(SkipDBM)) {
SkipDBM* skip_dbm = dynamic_cast<SkipDBM*>(dbm);
const int64_t file_size = skip_dbm->GetFileSizeSimple();
const int64_t eff_data_size = skip_dbm->GetEffectiveDataSize();
PrintF(" file_size=%lld eff_data_size=%lld efficiency=%.2f%%\n",
file_size, eff_data_size, eff_data_size * 100.0 / file_size);
const Status status = skip_dbm->Close();
if (status != Status::SUCCESS) {
EPrintL("Close failed: ", status);
has_error = true;
}
}
if (dbm_type == typeid(TinyDBM) || dbm_type == typeid(StdHashDBM)) {
const auto& meta = dbm->Inspect();
const std::map<std::string, std::string> meta_map(meta.begin(), meta.end());
const int64_t num_buckets = StrToInt(SearchMap(meta_map, "num_buckets", "0"));
const double load_factor = dbm->CountSimple() * 1.0 / num_buckets;
PrintF(" num_buckets=%lld load_factor=%.2f\n", num_buckets, load_factor);
if (!file_path.empty()) {
const Status status = dbm->Close();
if (status != Status::SUCCESS) {
EPrintL("Close failed: ", status);
has_error = true;
}
}
}
if (dbm_type == typeid(CacheDBM)) {
CacheDBM* cache_dbm = dynamic_cast<CacheDBM*>(dbm);
const int64_t eff_data_size = cache_dbm->GetEffectiveDataSize();
const int64_t mem_usage = cache_dbm->GetMemoryUsage();
PrintF(" eff_data_size=%lld mem_usage=%lld\n", eff_data_size, mem_usage);
if (!file_path.empty()) {
const Status status = dbm->Close();
if (status != Status::SUCCESS) {
EPrintL("Close failed: ", status);
has_error = true;
}
}
}
if (dbm_type == typeid(BabyDBM) || dbm_type == typeid(StdTreeDBM)) {
if (!file_path.empty()) {
const Status status = dbm->Close();
if (status != Status::SUCCESS) {
EPrintL("Close failed: ", status);
has_error = true;
}
}
}
if (dbm_type == typeid(PolyDBM) || dbm_type == typeid(ShardDBM)) {
PrintF(" file_size=%lld\n", dbm->GetFileSizeSimple());
const Status status = dbm->Close();
if (status != Status::SUCCESS) {
EPrintL("Close failed: ", status);
has_error = true;
}
}
return !has_error;
}
// Validates records of a DBM object.
bool ValidateDBM(DBM* dbm) {
bool has_error = false;
const auto& dbm_type = dbm->GetType();
if (dbm_type == typeid(HashDBM)) {
HashDBM* hash_dbm = dynamic_cast<HashDBM*>(dbm);
Status status = hash_dbm->ValidateHashBuckets();
if (status != Status::SUCCESS) {
EPrintL("ValidateHashBuckets failed: ", status);
has_error = true;
}
status = hash_dbm->ValidateRecords(-1, -1);
if (status != Status::SUCCESS) {
EPrintL("ValidateRecords failed: ", status);
has_error = true;
}
}
if (dbm_type == typeid(TreeDBM)) {
TreeDBM* tree_dbm = dynamic_cast<TreeDBM*>(dbm);
Status status = tree_dbm->ValidateHashBuckets();
if (status != Status::SUCCESS) {
EPrintL("ValidateHashBuckets failed: ", status);
has_error = true;
}
status = tree_dbm->ValidateRecords(-1, -1);
if (status != Status::SUCCESS) {
EPrintL("ValidateRecords failed: ", status);
has_error = true;
}
}
if (dbm_type == typeid(SkipDBM)) {
SkipDBM* skip_dbm = dynamic_cast<SkipDBM*>(dbm);
const Status status = skip_dbm->ValidateRecords();
if (status != Status::SUCCESS) {
EPrintL("ValidateRecords failed: ", status);
has_error = true;
}
}
return !has_error;
}
// Processes the sequence subcommand.
static int32_t ProcessSequence(int32_t argc, const char** args) {
const std::map<std::string, int32_t>& cmd_configs = {
{"", 0}, {"--dbm", 1}, {"--iter", 1}, {"--size", 1}, {"--threads", 1},
{"--random_seed", 1}, {"--verbose", 0},
{"--random_key", 0}, {"--random_value", 0},
{"--set_only", 0}, {"--get_only", 0}, {"--iter_only", 0}, {"--remove_only", 0},
{"--validate", 0}, {"--copy", 1},
{"--path", 1}, {"--file", 1}, {"--no_wait", 0}, {"--no_lock", 0}, {"--sync_hard", 0},
{"--alloc_init", 1}, {"--alloc_inc", 1},
{"--block_size", 1}, {"--direct_io", 0},
{"--sync_io", 0}, {"--padding", 0}, {"--pagecache", 0},
{"--append", 0}, {"--record_crc", 1}, {"--record_comp", 1},
{"--offset_width", 1}, {"--align_pow", 1}, {"--buckets", 1},
{"--fbp_cap", 1}, {"--min_read_size", 1}, {"--cache_buckets", 0}, {"--cipher_key", 1},
{"--max_page_size", 1}, {"--max_branches", 1}, {"--max_cached_pages", 1},
{"--page_update_write", 0},
{"--step_unit", 1}, {"--max_level", 1}, {"--sort_mem_size", 1}, {"--insert_in_order", 0},
{"--max_cached_records", 1}, {"--reducer", 1},
{"--cap_rec_num", 1}, {"--cap_mem_size", 1}, {"--params", 1}, {"--ulog", 1},
};
std::map<std::string, std::vector<std::string>> cmd_args;
std::string cmd_error;
if (!ParseCommandArguments(argc, args, cmd_configs, &cmd_args, &cmd_error)) {
EPrint("Invalid command: ", cmd_error, "\n\n");
PrintUsageAndDie();
}
const std::string dbm_impl = GetStringArgument(cmd_args, "--dbm", 0, "auto");
const int32_t num_iterations = GetIntegerArgument(cmd_args, "--iter", 0, 10000);
const int32_t value_size = GetIntegerArgument(cmd_args, "--size", 0, 8);
const int32_t num_threads = GetIntegerArgument(cmd_args, "--threads", 0, 1);
const int32_t random_seed = GetIntegerArgument(cmd_args, "--random_seed", 0, 0);
const bool is_verbose = CheckMap(cmd_args, "--verbose");
const bool is_random_key = CheckMap(cmd_args, "--random_key");
const bool is_random_value = CheckMap(cmd_args, "--random_value");
bool is_get_only = CheckMap(cmd_args, "--get_only");
bool is_iter_only = CheckMap(cmd_args, "--iter_only");
bool is_set_only = CheckMap(cmd_args, "--set_only");
bool is_remove_only = CheckMap(cmd_args, "--remove_only");
const bool with_validate = CheckMap(cmd_args, "--validate");
const std::string copy_path = GetStringArgument(cmd_args, "--copy", 0, "");
const std::string file_path = GetStringArgument(cmd_args, "--path", 0, "");
const std::string file_impl = GetStringArgument(cmd_args, "--file", 0, "mmap-para");
const bool with_no_wait = CheckMap(cmd_args, "--no_wait");
const bool with_no_lock = CheckMap(cmd_args, "--no_lock");
const bool with_sync_hard = CheckMap(cmd_args, "--sync_hard");
const int32_t alloc_init_size = GetIntegerArgument(cmd_args, "--alloc_init", 0, -1);
const double alloc_increment = GetDoubleArgument(cmd_args, "--alloc_inc", 0, 0);
const int64_t block_size = GetIntegerArgument(cmd_args, "--block_size", 0, 1);
const bool is_direct_io = CheckMap(cmd_args, "--direct_io");
const bool is_sync_io = CheckMap(cmd_args, "--sync_io");
const bool is_padding = CheckMap(cmd_args, "--padding");
const bool is_pagecache = CheckMap(cmd_args, "--pagecache");
const bool is_append = CheckMap(cmd_args, "--append");
const int32_t record_crc = GetIntegerArgument(cmd_args, "--record_crc", 0, 0);
const std::string record_comp = GetStringArgument(cmd_args, "--record_comp", 0, "");
const int32_t offset_width = GetIntegerArgument(cmd_args, "--offset_width", 0, -1);
const int32_t align_pow = GetIntegerArgument( cmd_args, "--align_pow", 0, -1);
const int64_t num_buckets = GetIntegerArgument(cmd_args, "--buckets", 0, -1);
const int32_t fbp_cap = GetIntegerArgument(cmd_args, "--fbp_cap", 0, -1);
const int32_t min_read_size = GetIntegerArgument(cmd_args, "--min_read_size", 0, -1);
const int32_t cache_buckets = CheckMap(cmd_args, "--cache_buckets") ? 1 : 0;
const std::string cipher_key = GetStringArgument(cmd_args, "--cipher_key", 0, "");
const int32_t max_page_size = GetIntegerArgument(cmd_args, "--max_page_size", 0, -1);
const int32_t max_branches = GetIntegerArgument(cmd_args, "--max_branches", 0, -1);
const int32_t max_cached_pages = GetIntegerArgument(cmd_args, "--max_cached_pages", 0, -1);
const bool page_update_write = CheckMap(cmd_args, "--page_update_write");
const int32_t step_unit = GetIntegerArgument(cmd_args, "--step_unit", 0, -1);
const int32_t max_level = GetIntegerArgument(cmd_args, "--max_level", 0, -1);
const int64_t sort_mem_size = GetIntegerArgument(cmd_args, "--sort_mem_size", 0, -1);
const bool insert_in_order = CheckMap(cmd_args, "--insert_in_order");
const std::string reducer_name = GetStringArgument(cmd_args, "--reducer", 0, "none");
const int32_t max_cached_records = GetIntegerArgument(cmd_args, "--max_cached_records", 0, -1);
const int64_t cap_rec_num = GetIntegerArgument(cmd_args, "--cap_rec_num", 0, -1);
const int64_t cap_mem_size = GetIntegerArgument(cmd_args, "--cap_mem_size", 0, -1);
const std::string poly_params = GetStringArgument(cmd_args, "--params", 0, "");
const std::string ulog_prefix = GetStringArgument(cmd_args, "--ulog", 0, "");
if (num_iterations < 1) {
Die("Invalid number of iterations");
}
if (value_size < 1) {
Die("Invalid size of a record");
}
if (num_threads < 1) {
Die("Invalid number of threads");
}
if (!is_set_only && !is_get_only && !is_iter_only && !is_remove_only) {
is_set_only = true;
is_get_only = true;
is_iter_only = true;
is_remove_only = true;
}
const int64_t start_mem_rss = GetMemoryUsage();
std::unique_ptr<DBM> dbm =
MakeDBMOrDie(dbm_impl, file_impl, file_path, alloc_init_size, alloc_increment,
block_size, is_direct_io, is_sync_io, is_padding, is_pagecache,
num_buckets, cap_rec_num, cap_mem_size);
std::unique_ptr<tkrzw::MessageQueue> mq;
std::unique_ptr<tkrzw::DBMUpdateLoggerMQ> ulog;
if (!ulog_prefix.empty()) {
mq = std::make_unique<tkrzw::MessageQueue>();
mq->Open(ulog_prefix, 1LL << 30).OrDie();
ulog = std::make_unique<tkrzw::DBMUpdateLoggerMQ>(mq.get(), 0, 0);
dbm->SetUpdateLogger(ulog.get());
}
std::atomic_bool has_error(false);
const int32_t dot_mod = std::max(num_iterations / 1000, 1);
const int32_t fold_mod = std::max(num_iterations / 20, 1);
auto setting_task = [&](int32_t id) {
const uint32_t mt_seed = random_seed >= 0 ? random_seed : std::random_device()();
std::mt19937 key_mt(mt_seed + id);
std::mt19937 misc_mt(mt_seed * 2 + id + 1);
std::uniform_int_distribution<int32_t> key_num_dist(0, num_iterations * num_threads - 1);
std::uniform_int_distribution<int32_t> value_size_dist(0, value_size);
char key_buf[32];
constexpr uint32_t value_extra = 2039U;
char* value_buf = new char[value_size + value_extra];
for (int32_t i = 0; i < static_cast<int32_t>(value_size + value_extra); i++) {
value_buf[i] = 'a' + (id + i) % (i % 2 ? 26 : 9);
}
bool midline = false;
for (int32_t i = 0; !has_error && i < num_iterations; i++) {
const int32_t key_num = is_random_key ? key_num_dist(key_mt) : i * num_threads + id;
const size_t key_size = std::snprintf(key_buf, sizeof(key_buf), "%08d", key_num);
const std::string_view key(key_buf, key_size);
const std::string_view value(
value_buf + static_cast<uint32_t>(i) * (i + 1U) % value_extra,
is_random_value ? value_size_dist(misc_mt) : value_size);
const Status status = dbm->Set(key, value);
if (status != Status::SUCCESS) {
EPrintL("Set failed: ", status);
has_error = true;
break;
}
if (id == 0 && (i + 1) % dot_mod == 0) {
PutChar('.');
midline = true;
if ((i + 1) % fold_mod == 0) {
PrintF(" (%08d)\n", i + 1);
midline = false;
}
}
}
if (midline) {
PrintF(" (%08d)\n", num_iterations);
}
delete[] value_buf;
};
if (is_set_only) {
if (!SetUpDBM(dbm.get(), true, true, file_path, with_no_wait, with_no_lock, with_sync_hard,
is_append, record_crc, record_comp,
offset_width, align_pow, num_buckets, fbp_cap, min_read_size,
cache_buckets, cipher_key,
max_page_size, max_branches, max_cached_pages, page_update_write,
step_unit, max_level, sort_mem_size, insert_in_order, max_cached_records,
poly_params)) {
has_error = true;
}
PrintF("Setting: impl=%s num_iterations=%d value_size=%d num_threads=%d\n",
dbm_impl.c_str(), num_iterations, value_size, num_threads);
const double start_time = GetWallTime();
std::vector<std::thread> threads;
for (int32_t i = 0; i < num_threads; i++) {
threads.emplace_back(std::thread(setting_task, i));
}
for (auto& thread : threads) {
thread.join();
}
Print("Synchronizing: ... ");
const double sync_start_time = GetWallTime();
if (!SynchronizeDBM(dbm.get(), reducer_name, copy_path)) {
has_error = true;
}
const double sync_end_time = GetWallTime();
PrintF("done (elapsed=%.6f)\n", sync_end_time - sync_start_time);
if (with_validate) {
Print("Validating records: ... ");
const double valid_start_time = GetWallTime();
if (!ValidateDBM(dbm.get())) {
has_error = true;
}
const double valid_end_time = GetWallTime();
PrintF("done (elapsed=%.6f)\n", valid_end_time - valid_start_time);
}
const double end_time = GetWallTime();
const double elapsed_time = end_time - start_time;
const int64_t num_records = dbm->CountSimple();
const int64_t mem_usage = GetMemoryUsage() - start_mem_rss;
PrintF("Setting done: elapsed_time=%.6f num_records=%lld qps=%.0f mem=%lld\n",
elapsed_time, num_records, num_iterations * num_threads / elapsed_time,
mem_usage);
if (!TearDownDBM(dbm.get(), file_path, is_verbose)) {
has_error = true;
}
PrintL();
}
auto getting_task = [&](int32_t id) {
const uint32_t mt_seed = random_seed >= 0 ? random_seed : std::random_device()();
std::mt19937 key_mt(mt_seed + id);
std::uniform_int_distribution<int32_t> key_num_dist(0, num_iterations * num_threads - 1);
std::uniform_int_distribution<int32_t> value_size_dist(0, value_size);
char key_buf[32];
bool midline = false;
for (int32_t i = 0; !has_error && i < num_iterations; i++) {
const int32_t key_num = is_random_key ? key_num_dist(key_mt) : i * num_threads + id;
const size_t key_size = std::snprintf(key_buf, sizeof(key_buf), "%08d", key_num);
const std::string_view key(key_buf, key_size);
const Status status = dbm->Get(key);
if (status != Status::SUCCESS &&
!(is_random_key && random_seed < 0 && status == Status::NOT_FOUND_ERROR)) {
EPrintL("Get failed: ", status);
has_error = true;
break;
}
if (id == 0 && (i + 1) % dot_mod == 0) {
PutChar('.');
midline = true;
if ((i + 1) % fold_mod == 0) {
PrintF(" (%08d)\n", i + 1);
midline = false;
}
}
}
if (midline) {
PrintF(" (%08d)\n", num_iterations);
}
};
if (is_get_only) {
if (!SetUpDBM(dbm.get(), false, false, file_path, with_no_wait, with_no_lock, with_sync_hard,
is_append, record_crc, record_comp,
offset_width, align_pow, num_buckets, fbp_cap, min_read_size,
cache_buckets, cipher_key,
max_page_size, max_branches, max_cached_pages, page_update_write,
step_unit, max_level, sort_mem_size, insert_in_order, max_cached_records,
poly_params)) {
has_error = true;
}
PrintF("Getting: impl=%s num_iterations=%d value_size=%d num_threads=%d\n",
dbm_impl.c_str(), num_iterations, value_size, num_threads);
const double start_time = GetWallTime();
std::vector<std::thread> threads;
for (int32_t i = 0; i < num_threads; i++) {
threads.emplace_back(std::thread(getting_task, i));
}
for (auto& thread : threads) {
thread.join();
}
const double end_time = GetWallTime();
const double elapsed_time = end_time - start_time;
const int64_t num_records = dbm->CountSimple();
const int64_t mem_usage = GetMemoryUsage() - start_mem_rss;
PrintF("Getting done: elapsed_time=%.6f num_records=%lld qps=%.0f mem=%lld\n",
elapsed_time, num_records, num_iterations * num_threads / elapsed_time,
mem_usage);
if (!TearDownDBM(dbm.get(), file_path, is_verbose)) {
has_error = true;
}
PrintL();
}
auto iterating_task = [&](int32_t id) {
const uint32_t mt_seed = random_seed >= 0 ? random_seed : std::random_device()();
std::mt19937 key_mt(mt_seed + id);
std::uniform_int_distribution<int32_t> key_num_dist(0, num_iterations * num_threads - 1);
std::uniform_int_distribution<int32_t> value_size_dist(0, value_size);
char key_buf[32];
bool midline = false;
std::unique_ptr<tkrzw::DBM::Iterator> iter;
for (int32_t i = 0; !has_error && i < num_iterations; i++) {
if (i % 100 == 0) {
iter = dbm->MakeIterator();
}
const int32_t key_num = is_random_key ? key_num_dist(key_mt) : i * num_threads + id;
const size_t key_size = std::snprintf(key_buf, sizeof(key_buf), "%08d", key_num);
const std::string_view key(key_buf, key_size);
Status status = iter->Jump(key);
if (status != Status::SUCCESS &&
!(is_random_key && random_seed < 0 && status == Status::NOT_FOUND_ERROR)) {
EPrintL("Jump failed: ", status);
has_error = true;
break;
}
std::string rec_key, rec_value;
status = iter->Get(&rec_key, &rec_value);
if (status != Status::SUCCESS &&
!(is_random_key && random_seed < 0 && status == Status::NOT_FOUND_ERROR)) {
EPrintL("Get failed: ", status);
has_error = true;
break;
}
if (id == 0 && (i + 1) % dot_mod == 0) {
PutChar('.');
midline = true;
if ((i + 1) % fold_mod == 0) {
PrintF(" (%08d)\n", i + 1);
midline = false;
}
}
}
if (midline) {
PrintF(" (%08d)\n", num_iterations);
}
};
if (is_iter_only) {
if (!SetUpDBM(dbm.get(), false, false, file_path, with_no_wait, with_no_lock, with_sync_hard,
is_append, record_crc, record_comp,
offset_width, align_pow, num_buckets, fbp_cap, min_read_size,
cache_buckets, cipher_key,
max_page_size, max_branches, max_cached_pages, page_update_write,
step_unit, max_level, sort_mem_size, insert_in_order, max_cached_records,
poly_params)) {
has_error = true;
}
PrintF("Iterating: impl=%s num_iterations=%d value_size=%d num_threads=%d\n",
dbm_impl.c_str(), num_iterations, value_size, num_threads);
const double start_time = GetWallTime();
std::vector<std::thread> threads;
for (int32_t i = 0; i < num_threads; i++) {
threads.emplace_back(std::thread(iterating_task, i));
}
for (auto& thread : threads) {
thread.join();
}
const double end_time = GetWallTime();
const double elapsed_time = end_time - start_time;
const int64_t num_records = dbm->CountSimple();
const int64_t mem_usage = GetMemoryUsage() - start_mem_rss;
PrintF("Iterating done: elapsed_time=%.6f num_records=%lld qps=%.0f mem=%lld\n",
elapsed_time, num_records, num_iterations * num_threads / elapsed_time,
mem_usage);
if (!TearDownDBM(dbm.get(), file_path, is_verbose)) {
has_error = true;
}
PrintL();
}
auto removing_task = [&](int32_t id) {
const uint32_t mt_seed = random_seed >= 0 ? random_seed : std::random_device()();
std::mt19937 key_mt(mt_seed + id);
std::uniform_int_distribution<int32_t> key_num_dist(0, num_iterations * num_threads - 1);
std::uniform_int_distribution<int32_t> value_size_dist(0, value_size);
char key_buf[32];
bool midline = false;
for (int32_t i = 0; !has_error && i < num_iterations; i++) {
const int32_t key_num = is_random_key ? key_num_dist(key_mt) : i * num_threads + id;
const size_t key_size = std::snprintf(key_buf, sizeof(key_buf), "%08d", key_num);
const std::string_view key(key_buf, key_size);
const Status status = dbm->Remove(key);
if (status != Status::SUCCESS && status != Status::NOT_FOUND_ERROR) {
EPrintL("Remove failed: ", status);
has_error = true;
break;
}
if (id == 0 && (i + 1) % dot_mod == 0) {
PutChar('.');
midline = true;
if ((i + 1) % fold_mod == 0) {
PrintF(" (%08d)\n", i + 1);
midline = false;
}
}
}
if (midline) {
PrintF(" (%08d)\n", num_iterations);
}
};
if (is_remove_only) {
if (!SetUpDBM(dbm.get(), true, false, file_path, with_no_wait, with_no_lock, with_sync_hard,
is_append, record_crc, record_comp,
offset_width, align_pow, num_buckets, fbp_cap, min_read_size,
cache_buckets, cipher_key,
max_page_size, max_branches, max_cached_pages, page_update_write,
step_unit, max_level, sort_mem_size, insert_in_order, max_cached_records,
poly_params)) {
has_error = true;
}
PrintF("Removing: impl=%s num_iterations=%d value_size=%d num_threads=%d\n",
dbm_impl.c_str(), num_iterations, value_size, num_threads);
const double start_time = GetWallTime();
std::vector<std::thread> threads;
for (int32_t i = 0; i < num_threads; i++) {
threads.emplace_back(std::thread(removing_task, i));
}
for (auto& thread : threads) {
thread.join();
}
Print("Synchronizing: ... ");
const double sync_start_time = GetWallTime();
if (!SynchronizeDBM(dbm.get(), reducer_name, copy_path)) {
has_error = true;
}
const double sync_end_time = GetWallTime();
PrintF("done (elapsed=%.6f)\n", sync_end_time - sync_start_time);
if (with_validate) {
Print("Validating records: ... ");
const double valid_start_time = GetWallTime();
if (!ValidateDBM(dbm.get())) {
has_error = true;
}
const double valid_end_time = GetWallTime();
PrintF("done (elapsed=%.6f)\n", valid_end_time - valid_start_time);
}
const double end_time = GetWallTime();
const double elapsed_time = end_time - start_time;
const int64_t num_records = dbm->CountSimple();
const int64_t mem_usage = GetMemoryUsage() - start_mem_rss;