mirror of
https://github.com/isar/libmdbx.git
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311 lines
9.7 KiB
C
311 lines
9.7 KiB
C
/*
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* Copyright 2016-2017 Leonid Yuriev <leo@yuriev.ru>.
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* Copyright 2015 Vladimir Romanov <https://www.linkedin.com/in/vladimirromanov>, Yota Lab.
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*
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* This file is part of libmdbx.
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*
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* libmdbx is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* libmdbx is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <sys/time.h>
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#include <sys/stat.h>
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#include <limits.h>
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#include <stddef.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <assert.h>
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#include "mdbx.h"
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#define IP_PRINTF_ARG_HOST(addr) (int)((addr) >> 24), (int)((addr) >> 16 & 0xff), (int)((addr) >> 8 & 0xff), (int)((addr) & 0xff)
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char opt_db_path[PATH_MAX] = "/dev/shm/lmdb_bench2";
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static MDB_env *env;
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#define REC_COUNT 1024000
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int64_t ids[REC_COUNT * 10];
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int32_t ids_count = 0;
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int64_t lmdb_add = 0;
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int64_t lmdb_del = 0;
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int64_t obj_id = 0;
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int64_t lmdb_data_size = 0;
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int64_t lmdb_key_size = 0;
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static void add_id_to_pool(int64_t id) {
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ids[ids_count] = id;
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ids_count++;
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}
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static inline int64_t getTimeMicroseconds(void) {
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struct timeval val;
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gettimeofday(&val, NULL);
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return val.tv_sec * ((int64_t) 1000000) + val.tv_usec;
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}
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static int64_t get_id_from_pool() {
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if (ids_count == 0) {
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return -1;
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}
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int32_t index = rand() % ids_count;
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int64_t id = ids[index];
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ids[index] = ids[ids_count - 1];
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ids_count--;
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return id;
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}
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#define LMDB_CHECK(x) \
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do {\
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const int rc = (x);\
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if ( rc != MDB_SUCCESS ) {\
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printf("Error [%d] %s in %s at %s:%d\n", rc, mdb_strerror(rc), #x, __FILE__, __LINE__); \
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exit(EXIT_FAILURE); \
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}\
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} while(0)
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static void db_connect() {
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MDB_dbi dbi_session;
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MDB_dbi dbi_session_id;
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MDB_dbi dbi_event;
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MDB_dbi dbi_ip;
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LMDB_CHECK(mdb_env_create(&env));
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LMDB_CHECK(mdb_env_set_mapsize(env, 300000L * 4096L));
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LMDB_CHECK(mdb_env_set_maxdbs(env, 30));
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#if defined(MDBX_LIFORECLAIM)
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LMDB_CHECK(mdb_env_open(env, opt_db_path, MDB_CREATE | MDB_NOSYNC | MDB_WRITEMAP | MDBX_LIFORECLAIM, 0664));
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#else
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LMDB_CHECK(mdb_env_open(env, opt_db_path, MDB_CREATE | MDB_NOSYNC | MDB_WRITEMAP, 0664));
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#endif
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MDB_txn *txn;
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// transaction init
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LMDB_CHECK(mdb_txn_begin(env, NULL, 0, &txn));
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// open database in read-write mode
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LMDB_CHECK(mdb_dbi_open(txn, "session", MDB_CREATE, &dbi_session));
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LMDB_CHECK(mdb_dbi_open(txn, "session_id", MDB_CREATE, &dbi_session_id));
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LMDB_CHECK(mdb_dbi_open(txn, "event", MDB_CREATE, &dbi_event));
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LMDB_CHECK(mdb_dbi_open(txn, "ip", MDB_CREATE, &dbi_ip));
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// transaction commit
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LMDB_CHECK(mdb_txn_commit(txn));
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printf("Connection open\n");
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}
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typedef struct {
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char session_id1[100];
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char session_id2[100];
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char ip[20];
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uint8_t fill[100];
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} session_data_t;
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typedef struct {
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int64_t obj_id;
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int8_t event_type;
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} __attribute__((__packed__)) event_data_t;
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static void create_record(int64_t record_id) {
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MDB_dbi dbi_session;
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MDB_dbi dbi_session_id;
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MDB_dbi dbi_event;
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MDB_dbi dbi_ip;
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event_data_t event;
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MDB_txn *txn;
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session_data_t data;
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// transaction init
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snprintf(data.session_id1, sizeof (data.session_id1), "mskugw%02ld_%02ld.gx.yota.ru;3800464060;4152;%ld", record_id % 3 + 1, record_id % 9 + 1, record_id);
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snprintf(data.session_id2, sizeof (data.session_id2), "gx_service;%ld;%ld;node@spb-jsm1", record_id, record_id % 1000000000 + 99999);
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snprintf(data.ip, sizeof (data.ip), "%d.%d.%d.%d", IP_PRINTF_ARG_HOST(record_id & 0xFFFFFFFF));
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event.obj_id = record_id;
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event.event_type = 1;
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MDB_val _session_id1_rec = {data.session_id1, strlen(data.session_id1)};
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MDB_val _session_id2_rec = {data.session_id2, strlen(data.session_id2)};
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MDB_val _ip_rec = {data.ip, strlen(data.ip)};
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MDB_val _obj_id_rec = {&record_id, sizeof(record_id)};
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MDB_val _data_rec = {&data, offsetof(session_data_t, fill) + (rand() % sizeof (data.fill))};
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MDB_val _event_rec = {&event, sizeof(event)};
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LMDB_CHECK(mdb_txn_begin(env, NULL, 0, &txn));
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LMDB_CHECK(mdb_dbi_open(txn, "session", MDB_CREATE, &dbi_session));
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LMDB_CHECK(mdb_dbi_open(txn, "session_id", MDB_CREATE, &dbi_session_id));
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LMDB_CHECK(mdb_dbi_open(txn, "event", MDB_CREATE, &dbi_event));
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LMDB_CHECK(mdb_dbi_open(txn, "ip", MDB_CREATE, &dbi_ip));
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LMDB_CHECK(mdb_put(txn, dbi_session, &_obj_id_rec, &_data_rec, MDB_NOOVERWRITE | MDB_NODUPDATA));
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LMDB_CHECK(mdb_put(txn, dbi_session_id, &_session_id1_rec, &_obj_id_rec, MDB_NOOVERWRITE | MDB_NODUPDATA));
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LMDB_CHECK(mdb_put(txn, dbi_session_id, &_session_id2_rec, &_obj_id_rec, MDB_NOOVERWRITE | MDB_NODUPDATA));
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LMDB_CHECK(mdb_put(txn, dbi_ip, &_ip_rec, &_obj_id_rec, 0));
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LMDB_CHECK(mdb_put(txn, dbi_event, &_event_rec, &_obj_id_rec, 0));
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lmdb_data_size += (_data_rec.mv_size + _obj_id_rec.mv_size * 4);
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lmdb_key_size += (_obj_id_rec.mv_size + _session_id1_rec.mv_size + _session_id2_rec.mv_size + _ip_rec.mv_size + _event_rec.mv_size);
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// transaction commit
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LMDB_CHECK(mdb_txn_commit(txn));
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lmdb_add++;
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}
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static void delete_record(int64_t record_id) {
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MDB_dbi dbi_session;
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MDB_dbi dbi_session_id;
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MDB_dbi dbi_event;
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MDB_dbi dbi_ip;
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event_data_t event;
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MDB_txn *txn;
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// transaction init
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LMDB_CHECK(mdb_txn_begin(env, NULL, 0, &txn));
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// open database in read-write mode
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LMDB_CHECK(mdb_dbi_open(txn, "session", MDB_CREATE, &dbi_session));
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LMDB_CHECK(mdb_dbi_open(txn, "session_id", MDB_CREATE, &dbi_session_id));
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LMDB_CHECK(mdb_dbi_open(txn, "event", MDB_CREATE, &dbi_event));
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LMDB_CHECK(mdb_dbi_open(txn, "ip", MDB_CREATE, &dbi_ip));
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// put data
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MDB_val _obj_id_rec = {&record_id, sizeof(record_id)};
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MDB_val _data_rec;
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// get data
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LMDB_CHECK(mdb_get(txn, dbi_session, &_obj_id_rec, &_data_rec));
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session_data_t* data = (session_data_t*) _data_rec.mv_data;
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MDB_val _session_id1_rec = {data->session_id1, strlen(data->session_id1)};
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MDB_val _session_id2_rec = {data->session_id2, strlen(data->session_id2)};
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MDB_val _ip_rec = {data->ip, strlen(data->ip)};
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LMDB_CHECK(mdb_del(txn, dbi_session_id, &_session_id1_rec, NULL));
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LMDB_CHECK(mdb_del(txn, dbi_session_id, &_session_id2_rec, NULL));
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LMDB_CHECK(mdb_del(txn, dbi_ip, &_ip_rec, NULL));
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event.obj_id = record_id;
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event.event_type = 1;
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MDB_val _event_rec = {&event, sizeof(event)};
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LMDB_CHECK(mdb_del(txn, dbi_event, &_event_rec, NULL));
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LMDB_CHECK(mdb_del(txn, dbi_session, &_obj_id_rec, NULL));
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lmdb_data_size -= (_data_rec.mv_size + _obj_id_rec.mv_size * 4);
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lmdb_key_size -= (_obj_id_rec.mv_size + _session_id1_rec.mv_size + _session_id2_rec.mv_size + _ip_rec.mv_size + _event_rec.mv_size);
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// transaction commit
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LMDB_CHECK(mdb_txn_commit(txn));
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lmdb_del++;
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}
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static void db_disconnect() {
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mdb_env_close(env);
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printf("Connection closed\n");
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}
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static void get_db_stat(const char* db, int64_t* ms_branch_pages, int64_t* ms_leaf_pages) {
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MDB_txn *txn;
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MDB_stat stat;
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MDB_dbi dbi;
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LMDB_CHECK(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
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LMDB_CHECK(mdb_dbi_open(txn, db, MDB_CREATE, &dbi));
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LMDB_CHECK(mdb_stat(txn, dbi, &stat));
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mdb_txn_abort(txn);
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printf("%15s | %15ld | %5u | %10ld | %10ld | %11ld |\n",
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db,
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stat.ms_branch_pages,
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stat.ms_depth,
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stat.ms_entries,
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stat.ms_leaf_pages,
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stat.ms_overflow_pages);
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(*ms_branch_pages) += stat.ms_branch_pages;
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(*ms_leaf_pages) += stat.ms_leaf_pages;
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}
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static void periodic_stat(void) {
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int64_t ms_branch_pages = 0;
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int64_t ms_leaf_pages = 0;
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printf(" Name | ms_branch_pages | depth | entries | leaf_pages | overf_pages |\n");
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get_db_stat("session", &ms_branch_pages, &ms_leaf_pages);
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get_db_stat("session_id", &ms_branch_pages, &ms_leaf_pages);
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get_db_stat("event", &ms_branch_pages, &ms_leaf_pages);
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get_db_stat("ip", &ms_branch_pages, &ms_leaf_pages);
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printf("%15s | %15ld | %5s | %10s | %10ld | %11s |\n", "", ms_branch_pages, "", "", ms_leaf_pages, "");
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static int64_t prev_add;
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static int64_t prev_del;
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static int64_t t = -1;
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if (t > 0) {
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int64_t delta = getTimeMicroseconds() - t;
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printf("CPS: add %ld, delete %ld, items processed - %ldK data=%ldK key=%ldK\n", (lmdb_add - prev_add)*1000000 / delta, (lmdb_del - prev_del)*1000000 / delta, obj_id / 1024, lmdb_data_size / 1024, lmdb_key_size / 1024);
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printf("usage data=%ld%%\n", ((lmdb_data_size + lmdb_key_size) * 100) / ((ms_leaf_pages + ms_branch_pages)*4096));
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}
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t = getTimeMicroseconds();
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prev_add = lmdb_add;
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prev_del = lmdb_del;
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}
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//static void periodic_add_rec() {
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// for (int i = 0; i < 10240; i++) {
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// if (ids_count <= REC_COUNT) {
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// int64_t id = obj_id++;
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// create_record(id);
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// add_id_to_pool(id);
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// }
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// if (ids_count > REC_COUNT) {
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// int64_t id = get_id_from_pool();
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// delete_record(id);
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// }
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// }
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// periodic_stat();
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//}
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int main(int argc, char** argv) {
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(void) argc;
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(void) argv;
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char filename[PATH_MAX];
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int i;
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int64_t t;
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mkdir(opt_db_path, 0775);
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strcpy(filename, opt_db_path);
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strcat(filename, "/data.mdb");
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remove(filename);
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strcpy(filename, opt_db_path);
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strcat(filename, "/lock.mdb");
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remove(filename);
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db_connect();
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periodic_stat();
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for (i = 0; i < 1024000; i++) {
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int64_t id = obj_id++;
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create_record(id);
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add_id_to_pool(id);
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}
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periodic_stat();
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t = getTimeMicroseconds();
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while (1) {
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int i;
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int64_t now;
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for (i = 0; i < 100; i++) {
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int64_t id = obj_id++;
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create_record(id);
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add_id_to_pool(id);
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id = get_id_from_pool();
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delete_record(id);
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}
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//int64_t id = obj_id++;
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//create_record(id);
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//add_id_to_pool(id);
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now = getTimeMicroseconds();
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if ((now - t) > 100000) {
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periodic_stat();
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t = now;
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}
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}
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db_disconnect();
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return 0;
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}
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