386 lines
12 KiB
C++
386 lines
12 KiB
C++
/**
|
|
* Copyright (c) 2021 OceanBase
|
|
* OceanBase CE is licensed under Mulan PubL v2.
|
|
* You can use this software according to the terms and conditions of the Mulan PubL v2.
|
|
* You may obtain a copy of Mulan PubL v2 at:
|
|
* http://license.coscl.org.cn/MulanPubL-2.0
|
|
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
|
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
|
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
|
* See the Mulan PubL v2 for more details.
|
|
*/
|
|
|
|
#include <gtest/gtest.h>
|
|
#include <random>
|
|
#include <string>
|
|
#include <pthread.h>
|
|
|
|
#include "share/scn.h"
|
|
#define private public
|
|
#include "logservice/palf/lsn_allocator.h"
|
|
#undef private
|
|
|
|
namespace oceanbase
|
|
{
|
|
using namespace common;
|
|
using namespace palf;
|
|
|
|
namespace unittest
|
|
{
|
|
|
|
class TestLSNAllocator : public ::testing::Test
|
|
{
|
|
public:
|
|
TestLSNAllocator();
|
|
virtual ~TestLSNAllocator();
|
|
virtual void SetUp();
|
|
virtual void TearDown();
|
|
protected:
|
|
int64_t palf_id_;
|
|
LSNAllocator lsn_allocator_;
|
|
};
|
|
|
|
TestLSNAllocator::TestLSNAllocator()
|
|
: palf_id_(1)
|
|
{
|
|
}
|
|
|
|
TestLSNAllocator::~TestLSNAllocator()
|
|
{
|
|
}
|
|
|
|
void TestLSNAllocator::SetUp()
|
|
{
|
|
}
|
|
|
|
void TestLSNAllocator::TearDown()
|
|
{
|
|
PALF_LOG(INFO, "TestLSNAllocator has TearDown");
|
|
PALF_LOG(INFO, "TearDown success");
|
|
}
|
|
|
|
constexpr int MAX_BUF_SIZE = 2 * 1024 * 1024;
|
|
const int64_t LOG_LOG_CNT = 1000;
|
|
int64_t log_size_array[LOG_LOG_CNT];
|
|
|
|
LSNAllocator golbal_lsn_allocator;
|
|
|
|
void init_size_array()
|
|
{
|
|
for (int i = 0; i < LOG_LOG_CNT; i++) {
|
|
log_size_array[i] = rand() % MAX_BUF_SIZE + 1;
|
|
}
|
|
}
|
|
|
|
void init_offset_allocator()
|
|
{
|
|
LSN start_lsn(0);
|
|
EXPECT_EQ(OB_SUCCESS, golbal_lsn_allocator.init(0, share::SCN::base_scn(), start_lsn));
|
|
}
|
|
|
|
TEST_F(TestLSNAllocator, test_struct_field_value_upper_bound)
|
|
{
|
|
// 测试struct中的int64_t是否会比uint64_t多消耗一位用于存储符号
|
|
// 测试结论：使用int类型作为field，当最高位置为1时，直接读取它的value就会变成负数
|
|
union TestMeta
|
|
{
|
|
uint64_t val64_;
|
|
struct
|
|
{
|
|
uint8_t is_need_cut_ : 1;
|
|
int64_t id_ : 2;
|
|
int64_t ts_ : 61;
|
|
};
|
|
};
|
|
TestMeta val;
|
|
val.id_ = 1;
|
|
// val.id_ = (1 << 2) - 1; // 这行编译会报错，implicit truncation from 'int' to bit-field changes value from 3 to -1
|
|
val.ts_ = 100;
|
|
std::cout << val.id_ << ", sizeof(val):" << sizeof(val) << std::endl;
|
|
|
|
val.id_ = 0;
|
|
std::cout << "val.id_ is " << val.id_ << std::endl; // 0
|
|
val.id_ = 1;
|
|
printf("val.id_ is 0x%x\n", val.id_); // 0x1
|
|
val.id_++;
|
|
std::cout << "val.id_ is " << val.id_ << std::endl; // -2
|
|
std::cout << "val.id_ & 0x11 is " << (val.id_ & 0x3) << std::endl; // 2, correct!
|
|
printf("val.id_ is 0x%x\n", val.id_); // 0xfffffffe
|
|
val.id_++;
|
|
std::cout << "val.id_ is " << val.id_ << std::endl; // -1
|
|
std::cout << "val.id_ & 0x11 is " << (val.id_ & 0x3) << std::endl; // 3
|
|
printf("val.id_ is 0x%x\n", val.id_); // 0xffffffff
|
|
val.id_++;
|
|
std::cout << "val.id_ is " << val.id_ << std::endl; // 0
|
|
std::cout << "val.id_ & 0x11 is " << (val.id_ & 0x3) << std::endl; // 0, 加溢出了
|
|
printf("val.id_ is 0x%x\n", val.id_); // 0x0
|
|
|
|
union TestMeta2
|
|
{
|
|
uint64_t val64_;
|
|
struct
|
|
{
|
|
uint8_t is_need_cut_ : 1;
|
|
uint64_t id_ : 2;
|
|
uint64_t ts_ : 61;
|
|
};
|
|
};
|
|
TestMeta2 val2;
|
|
val2.id_ = 1;
|
|
// val2.id_ = (1 << 2) - 1; // 这行编译会报错，implicit truncation from 'int' to bit-field changes value from 3 to -1
|
|
std::cout << val2.id_ << ", sizeof(val2):" << sizeof(val2) << std::endl;
|
|
|
|
val2.id_ = 0;
|
|
std::cout << "val2.id_ is " << val2.id_ << std::endl; // 0
|
|
val2.id_ = 1;
|
|
printf("val2.id_ is 0x%x\n", val2.id_); // 0x1
|
|
val2.id_++;
|
|
std::cout << "val2.id_ is " << val2.id_ << std::endl; // 2
|
|
std::cout << "val2.id_ & 0x11 is " << (val2.id_ & 0x3) << std::endl; // 2
|
|
printf("val2.id_ is 0x%x\n", val2.id_); // 0x2
|
|
val2.id_++;
|
|
std::cout << "val2.id_ is " << val2.id_ << std::endl; // 3
|
|
std::cout << "val2.id_ & 0x11 is " << (val2.id_ & 0x3) << std::endl; // 3
|
|
printf("val2.id_ is 0x%x\n", val2.id_); // 0x3
|
|
val2.id_++;
|
|
std::cout << "val2.id_ is " << val2.id_ << std::endl; // 0
|
|
std::cout << "val2.id_ & 0x11 is " << (val2.id_ & 0x3) << std::endl; // 0, 加溢出了
|
|
printf("val2.id_ is 0x%x\n", val2.id_); // 0x0
|
|
|
|
}
|
|
|
|
TEST_F(TestLSNAllocator, test_lsn_allocator_init)
|
|
{
|
|
LSN start_lsn;
|
|
int64_t initial_log_id = OB_INVALID_LOG_ID;
|
|
share::SCN initial_scn;
|
|
EXPECT_EQ(OB_INVALID_ARGUMENT, lsn_allocator_.init(initial_log_id, initial_scn, start_lsn));
|
|
initial_log_id = 0;
|
|
EXPECT_EQ(OB_INVALID_ARGUMENT, lsn_allocator_.init(initial_log_id, initial_scn, start_lsn));
|
|
initial_scn.set_base();
|
|
EXPECT_EQ(OB_INVALID_ARGUMENT, lsn_allocator_.init(initial_log_id, initial_scn, start_lsn));
|
|
start_lsn.val_ = 0;
|
|
EXPECT_EQ(OB_SUCCESS, lsn_allocator_.init(initial_log_id, initial_scn, start_lsn));
|
|
EXPECT_EQ(OB_INIT_TWICE, lsn_allocator_.init(initial_log_id, initial_scn, start_lsn));
|
|
}
|
|
|
|
TEST_F(TestLSNAllocator, test_lsn_allocator_alloc_lsn_scn)
|
|
{
|
|
LSN start_lsn;
|
|
int64_t initial_log_id = OB_INVALID_LOG_ID;
|
|
share::SCN initial_scn = share::SCN::min_scn();
|
|
initial_log_id = 0;
|
|
start_lsn.val_ = 0;
|
|
|
|
share::SCN b_scn;
|
|
b_scn.convert_for_logservice(1000);
|
|
int64_t size = 1000000;
|
|
LSN lsn;
|
|
int64_t log_id;
|
|
share::SCN scn;
|
|
bool is_new_log = false;
|
|
bool need_gen_padding_entry = false;
|
|
int64_t padding_len = 0;
|
|
|
|
EXPECT_EQ(OB_NOT_INIT, lsn_allocator_.alloc_lsn_scn(b_scn, size, lsn, log_id, scn,
|
|
is_new_log, need_gen_padding_entry, padding_len));
|
|
EXPECT_EQ(OB_SUCCESS, lsn_allocator_.init(initial_log_id, initial_scn, start_lsn));
|
|
int64_t invalid_size = 0;
|
|
EXPECT_EQ(OB_INVALID_ARGUMENT, lsn_allocator_.alloc_lsn_scn(b_scn, invalid_size, lsn, log_id, scn,
|
|
is_new_log, need_gen_padding_entry, padding_len));
|
|
// test alloc_lsn_scn()
|
|
EXPECT_EQ(OB_SUCCESS, lsn_allocator_.alloc_lsn_scn(b_scn, size, lsn, log_id, scn,
|
|
is_new_log, need_gen_padding_entry, padding_len));
|
|
EXPECT_EQ(initial_log_id + 1, log_id);
|
|
}
|
|
|
|
TEST_F(TestLSNAllocator, test_lsn_allocator_truncate)
|
|
{
|
|
LSN start_lsn;
|
|
int64_t initial_log_id = OB_INVALID_LOG_ID;
|
|
initial_log_id = 0;
|
|
share::SCN initial_scn = share::SCN::min_scn();
|
|
start_lsn.val_ = 0;
|
|
|
|
LSN tmp_lsn;
|
|
int64_t tmp_log_id = 9999;
|
|
share::SCN tmp_scn;
|
|
tmp_scn.convert_for_logservice(55555);
|
|
|
|
LSN end_lsn;
|
|
int64_t end_log_id = OB_INVALID_LOG_ID;
|
|
|
|
share::SCN b_scn;
|
|
b_scn.convert_for_logservice(1000);
|
|
int64_t size = 1000000;
|
|
LSN lsn;
|
|
int64_t log_id;
|
|
share::SCN scn;
|
|
bool is_new_log = false;
|
|
bool need_gen_padding_entry = false;
|
|
int64_t padding_len = 0;
|
|
|
|
// test truncate()
|
|
share::SCN new_scn;
|
|
new_scn.convert_for_logservice(10);
|
|
const int64_t truncate_log_id = 1024;
|
|
EXPECT_EQ(OB_NOT_INIT, lsn_allocator_.truncate(tmp_lsn, truncate_log_id, new_scn));
|
|
EXPECT_EQ(OB_NOT_INIT, lsn_allocator_.inc_update_last_log_info(tmp_lsn, tmp_log_id, tmp_scn));
|
|
EXPECT_EQ(OB_NOT_INIT, lsn_allocator_.try_freeze_by_time(end_lsn, end_log_id));
|
|
EXPECT_EQ(OB_NOT_INIT, lsn_allocator_.get_curr_end_lsn(end_lsn));
|
|
EXPECT_EQ(OB_SUCCESS, lsn_allocator_.init(initial_log_id, initial_scn, start_lsn));
|
|
EXPECT_EQ(OB_INVALID_ARGUMENT, lsn_allocator_.truncate(tmp_lsn, truncate_log_id, new_scn));
|
|
tmp_lsn.val_ = 100;
|
|
EXPECT_EQ(OB_SUCCESS, lsn_allocator_.truncate(tmp_lsn, truncate_log_id, new_scn));
|
|
EXPECT_EQ(OB_SUCCESS, lsn_allocator_.alloc_lsn_scn(b_scn, size, lsn, log_id, scn,
|
|
is_new_log, need_gen_padding_entry, padding_len));
|
|
EXPECT_EQ(truncate_log_id + 1, log_id);
|
|
// test truncate()
|
|
tmp_lsn.reset();
|
|
EXPECT_EQ(OB_INVALID_ARGUMENT, lsn_allocator_.inc_update_last_log_info(tmp_lsn, tmp_log_id, tmp_scn));
|
|
tmp_lsn.val_ = 10; // no need update
|
|
EXPECT_EQ(OB_SUCCESS, lsn_allocator_.inc_update_last_log_info(tmp_lsn, tmp_log_id, tmp_scn));
|
|
EXPECT_EQ(OB_SUCCESS, lsn_allocator_.alloc_lsn_scn(b_scn, size, lsn, log_id, scn,
|
|
is_new_log, need_gen_padding_entry, padding_len));
|
|
EXPECT_EQ(truncate_log_id + 1, log_id); // 聚合到上一条日志中
|
|
// update success
|
|
tmp_lsn.val_ = 10000000;
|
|
EXPECT_EQ(OB_SUCCESS, lsn_allocator_.inc_update_last_log_info(tmp_lsn, tmp_log_id, tmp_scn));
|
|
size = 2 * 1024 * 1024;
|
|
EXPECT_EQ(OB_SUCCESS, lsn_allocator_.alloc_lsn_scn(b_scn, size, lsn, log_id, scn,
|
|
is_new_log, need_gen_padding_entry, padding_len));
|
|
EXPECT_EQ(tmp_log_id + 1, log_id);
|
|
|
|
// 由于之前alloc的size比较大，故当前is_need_cut为true，这里会报-4109
|
|
EXPECT_EQ(OB_STATE_NOT_MATCH, lsn_allocator_.try_freeze_by_time(end_lsn, end_log_id));
|
|
// 生成一条新的小日志，预期is_need_cut会为false
|
|
size = 10;
|
|
EXPECT_EQ(OB_SUCCESS, lsn_allocator_.alloc_lsn_scn(b_scn, size, lsn, log_id, scn,
|
|
is_new_log, need_gen_padding_entry, padding_len));
|
|
|
|
EXPECT_EQ(log_id, lsn_allocator_.get_max_log_id());
|
|
EXPECT_EQ(scn, lsn_allocator_.get_max_scn());
|
|
EXPECT_EQ(OB_SUCCESS, lsn_allocator_.get_curr_end_lsn(end_lsn));
|
|
LSN old_end_lsn = end_lsn;
|
|
EXPECT_EQ(OB_SUCCESS, lsn_allocator_.try_freeze_by_time(end_lsn, end_log_id));
|
|
EXPECT_EQ(old_end_lsn, end_lsn);
|
|
EXPECT_EQ(log_id, end_log_id);
|
|
EXPECT_EQ(OB_SUCCESS, lsn_allocator_.try_freeze(end_lsn, end_log_id));
|
|
EXPECT_EQ(old_end_lsn, end_lsn);
|
|
EXPECT_EQ(log_id, end_log_id);
|
|
}
|
|
|
|
TEST_F(TestLSNAllocator, test_alloc_offset_single_thread)
|
|
{
|
|
init_size_array();
|
|
init_offset_allocator();
|
|
|
|
int64_t avg_cost = 0;
|
|
int64_t ROUND = 1;
|
|
for (int64_t j = 0; j < ROUND; j++) {
|
|
int64_t idx = rand() % LOG_LOG_CNT;
|
|
const int64_t begin_ts = ObTimeUtility::current_time_ns();
|
|
for (int i = 0; i < 1000000; i++) {
|
|
share::SCN b_scn = share::SCN::base_scn();
|
|
int64_t size = log_size_array[idx];
|
|
LSN ret_offset;
|
|
int64_t ret_log_id;
|
|
share::SCN ret_scn;
|
|
bool is_new_log = false;
|
|
bool need_gen_padding_entry = false;
|
|
int64_t padding_len = 0;
|
|
|
|
EXPECT_EQ(OB_SUCCESS, golbal_lsn_allocator.alloc_lsn_scn(b_scn, size, ret_offset, ret_log_id, ret_scn,
|
|
is_new_log, need_gen_padding_entry, padding_len));
|
|
}
|
|
int64_t cost = ObTimeUtility::current_time_ns() - begin_ts;
|
|
// PALF_LOG(ERROR, "100w alloc cost time ns", K(cost));
|
|
std::cout << "100w alloc cost time ns:" << cost << std::endl;
|
|
avg_cost += cost;
|
|
}
|
|
std::cout << ROUND << " round 100w alloc avg cost time ns:" << avg_cost / ROUND << std::endl;
|
|
std::cout << "finish test_alloc_offset_single_thread" << std::endl;
|
|
}
|
|
|
|
// 下面测试多线程alloc_lsn_scn的性能
|
|
class TestThread
|
|
{
|
|
public:
|
|
TestThread() {}
|
|
virtual ~TestThread() { }
|
|
public:
|
|
void create_and_run(int64_t th_idx)
|
|
{
|
|
log_size_ = log_size_array[th_idx % LOG_LOG_CNT];
|
|
th_idx_ = th_idx;
|
|
if (0 != pthread_create(&thread_, NULL, routine, this)){
|
|
PALF_LOG(ERROR, "create thread fail", K(thread_));
|
|
} else {
|
|
PALF_LOG(INFO, "create thread success", K(thread_), K(th_idx_), K(log_size_));
|
|
}
|
|
}
|
|
|
|
void join()
|
|
{
|
|
pthread_join(thread_, NULL);
|
|
}
|
|
|
|
static void* routine(void *arg) {
|
|
TestThread *test_thread = static_cast<TestThread*>(arg);
|
|
share::SCN scn = share::SCN::base_scn();
|
|
int64_t size = test_thread->log_size_;
|
|
LSN ret_offset;
|
|
int64_t ret_log_id;
|
|
share::SCN ret_scn;
|
|
bool is_new_log = false;
|
|
bool need_gen_padding_entry = false;
|
|
int64_t padding_len = 0;
|
|
|
|
for (int j = 0; j < 1; j++) {
|
|
const int64_t begin_ts = ObTimeUtility::current_time_ns();
|
|
for (int i = 0; i < 1000; i++) {
|
|
// size = log_size_array[i % LOG_LOG_CNT];
|
|
EXPECT_EQ(OB_SUCCESS, golbal_lsn_allocator.alloc_lsn_scn(scn, size, ret_offset, ret_log_id, ret_scn,
|
|
is_new_log, need_gen_padding_entry, padding_len));
|
|
}
|
|
int64_t cost = ObTimeUtility::current_time_ns() - begin_ts;
|
|
// std::cout << test_thread->th_idx_ << " finish 100w alloc cost time ns:" << cost << std::endl;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
public:
|
|
pthread_t thread_;
|
|
int64_t th_idx_;
|
|
int64_t log_size_;
|
|
};
|
|
|
|
TEST_F(TestLSNAllocator, test_alloc_offset_multi_thread)
|
|
{
|
|
init_size_array();
|
|
const int64_t THREAD_CNT = 128;
|
|
TestThread threads[THREAD_CNT];
|
|
for (int tidx = 0; tidx < THREAD_CNT; ++tidx) {
|
|
threads[tidx].create_and_run(tidx);
|
|
PALF_LOG(INFO, "create thread", K(tidx));
|
|
}
|
|
std::cout << " finish create all threads, count:" << THREAD_CNT << std::endl;
|
|
for (int tidx = 0; tidx < THREAD_CNT; ++tidx) {
|
|
threads[tidx].join();
|
|
}
|
|
};
|
|
|
|
|
|
} // END of unittest
|
|
} // end of oceanbase
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
system("rm -rf ./test_lsn_allocator.log*");
|
|
OB_LOGGER.set_file_name("test_lsn_allocator.log", true);
|
|
OB_LOGGER.set_log_level("INFO");
|
|
PALF_LOG(INFO, "begin unittest::test_lsn_allocator");
|
|
::testing::InitGoogleTest(&argc, argv);
|
|
return RUN_ALL_TESTS();
|
|
}
|