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oceanbase/unittest/share/scheduler/test_dag_scheduler.cpp
gm 4a92b6d7df reformat source code 
according to code styles, 'AccessModifierOffset' should be -2.
2021-06-17 10:40:36 +08:00

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/**
* 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 <getopt.h>
#include <unistd.h>
#include <gtest/gtest.h>
#define protected public
#define private public
#include "share/scheduler/ob_dag_scheduler.h"
#include "lib/atomic/ob_atomic.h"
#include "observer/omt/ob_tenant_node_balancer.h"
int64_t dag_cnt = 1;
int64_t stress_time = 1; // 100ms
char log_level[20] = "INFO";
uint32_t time_slice = 20 * 1000; // 5ms
uint32_t sleep_slice = 2 * time_slice;
const int64_t CHECK_TIMEOUT = 1 * 1000 * 1000;
#define CHECK_EQ_UTIL_TIMEOUT(expected, expr) \
{ \
int64_t start_time = oceanbase::common::ObTimeUtility::current_time(); \
auto expr_result = (expr); \
do { \
if ((expected) == (expr_result)) { \
break; \
} else { \
expr_result = (expr); \
} \
} while (oceanbase::common::ObTimeUtility::current_time() - start_time < CHECK_TIMEOUT); \
EXPECT_EQ((expected), (expr_result)); \
}
namespace oceanbase {
using namespace common;
using namespace share;
using namespace omt;
namespace unittest {
class TestAddTask : public ObITask {
public:
TestAddTask() : ObITask(ObITaskType::TASK_TYPE_UT), counter_(NULL), adder_(), seq_(0), task_cnt_(0), sleep_us_(0)
{}
~TestAddTask()
{}
int init(int64_t* counter, int64_t adder, int64_t seq, int64_t task_cnt, int sleep_us = 0)
{
int ret = OB_SUCCESS;
counter_ = counter;
adder_ = adder;
seq_ = seq;
task_cnt_ = task_cnt;
sleep_us_ = sleep_us;
return ret;
}
virtual int generate_next_task(ObITask*& next_task)
{
int ret = OB_SUCCESS;
if (seq_ >= task_cnt_ - 1) {
ret = OB_ITER_END;
COMMON_LOG(INFO, "generate task end", K_(seq), K_(task_cnt));
} else {
ObIDag* dag = get_dag();
TestAddTask* ntask = NULL;
if (NULL == dag) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "dag is null", K(ret));
} else if (OB_FAIL(dag->alloc_task(ntask))) {
COMMON_LOG(WARN, "failed to alloc task", K(ret));
} else if (NULL == ntask) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "task is null", K(ret));
} else {
if (OB_FAIL(ntask->init(counter_, adder_, seq_ + 1, task_cnt_, sleep_us_))) {
COMMON_LOG(WARN, "failed to init addtask", K(ret));
}
if (OB_FAIL(ret)) {
dag->free_task(*ntask);
} else {
next_task = ntask;
}
}
}
return ret;
}
virtual int process()
{
this_routine::usleep(sleep_us_);
(void)ATOMIC_AAF(counter_, adder_);
return OB_SUCCESS;
}
VIRTUAL_TO_STRING_KV(KP_(counter), K_(seq), K_(task_cnt));
private:
int64_t* counter_;
int64_t adder_;
int64_t seq_;
int64_t task_cnt_;
int sleep_us_;
private:
DISALLOW_COPY_AND_ASSIGN(TestAddTask);
};
class TestMulTask : public ObITask {
public:
TestMulTask() : ObITask(ObITaskType::TASK_TYPE_UT), counter_(NULL), sleep_us_(0)
{}
~TestMulTask()
{}
int init(int64_t* counter, int sleep_us = 0)
{
int ret = OB_SUCCESS;
counter_ = counter;
sleep_us_ = sleep_us;
return ret;
}
virtual int process()
{
this_routine::usleep(sleep_us_);
*counter_ = *counter_ * 2;
return OB_SUCCESS;
}
VIRTUAL_TO_STRING_KV(KP_(counter));
private:
int64_t* counter_;
int sleep_us_;
private:
DISALLOW_COPY_AND_ASSIGN(TestMulTask);
};
class AtomicOperator {
public:
AtomicOperator() : v_(0)
{}
AtomicOperator(int64_t v) : v_(v)
{}
void inc()
{
lib::ObMutexGuard guard(lock_);
++v_;
}
void mul(int64_t m)
{
lib::ObMutexGuard guard(lock_);
v_ *= m;
}
int64_t value()
{
return v_;
}
void reset()
{
v_ = 0;
}
private:
lib::ObMutex lock_;
int64_t v_;
};
static const int64_t SLEEP_SLICE = 100;
class AtomicMulTask : public ObITask {
public:
AtomicMulTask() : ObITask(ObITask::TASK_TYPE_UT), seq_(0), cnt_(0), error_seq_(-1), op_(NULL), sleep_us_(0)
{}
int init(int64_t seq, int64_t cnt, AtomicOperator& op, int sleep_us = 0, int64_t error_seq = -1)
{
seq_ = seq;
cnt_ = cnt;
error_seq_ = error_seq;
op_ = &op;
sleep_us_ = sleep_us;
return OB_SUCCESS;
}
virtual int generate_next_task(ObITask*& task)
{
int ret = OB_SUCCESS;
ObIDag* dag = NULL;
AtomicMulTask* ntask = NULL;
if (seq_ >= cnt_) {
return OB_ITER_END;
} else if (OB_ISNULL(dag = get_dag())) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "dag is NULL", K(ret));
} else if (OB_FAIL(dag->alloc_task(ntask))) {
COMMON_LOG(WARN, "failed to alloc task", K(ret));
} else if (OB_ISNULL(ntask)) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "ntask is NULL", K(ret));
} else {
COMMON_LOG(INFO, "a task is generated", K(seq_));
ntask->init(seq_ + 1, cnt_, *op_, sleep_us_, error_seq_);
task = ntask;
}
return ret;
}
virtual int process()
{
int ret = OB_SUCCESS;
int64_t cnt = sleep_us_ / SLEEP_SLICE;
for (int64_t i = 0; i < cnt; ++i) {
dag_yield();
this_routine::usleep(SLEEP_SLICE);
}
if (seq_ == error_seq_) {
return OB_ERR_UNEXPECTED;
} else {
op_->mul(2);
}
return ret;
}
VIRTUAL_TO_STRING_KV("type", "AtomicMul", K(*dag_), K_(seq), K_(cnt), KP_(op), K_(error_seq), K_(sleep_us));
private:
int64_t seq_;
int64_t cnt_;
int64_t error_seq_;
AtomicOperator* op_;
int sleep_us_;
};
class AtomicIncTask : public ObITask {
public:
AtomicIncTask() : ObITask(ObITask::TASK_TYPE_UT), seq_(0), cnt_(0), error_seq_(-1), op_(NULL), sleep_us_(0)
{}
int init(int64_t seq, int64_t cnt, AtomicOperator& op, int sleep_us = 0, int64_t error_seq = -1)
{
seq_ = seq;
cnt_ = cnt;
error_seq_ = error_seq;
op_ = &op;
sleep_us_ = sleep_us;
return OB_SUCCESS;
}
virtual int generate_next_task(ObITask*& task)
{
int ret = OB_SUCCESS;
ObIDag* dag = NULL;
AtomicIncTask* ntask = NULL;
if (seq_ >= cnt_) {
return OB_ITER_END;
} else if (OB_ISNULL(dag = get_dag())) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "dag is NULL", K(ret));
} else if (OB_FAIL(dag->alloc_task(ntask))) {
COMMON_LOG(WARN, "failed to alloc task", K(ret));
} else if (OB_ISNULL(ntask)) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "ntask is NULL", K(ret));
} else {
COMMON_LOG(INFO, "a task is generated", K(seq_));
ntask->init(seq_ + 1, cnt_, *op_, sleep_us_, error_seq_);
task = ntask;
}
return ret;
}
virtual int process()
{
int ret = OB_SUCCESS;
int64_t cnt = sleep_us_ / SLEEP_SLICE;
for (int64_t i = 0; i < cnt; ++i) {
dag_yield();
this_routine::usleep(SLEEP_SLICE);
}
if (seq_ == error_seq_) {
return OB_ERR_UNEXPECTED;
} else {
op_->inc();
}
return ret;
}
VIRTUAL_TO_STRING_KV("type", "AtomicInc", K(*dag_), K_(seq), K_(cnt), KP_(op), K_(error_seq), K_(sleep_us));
private:
int64_t seq_;
int64_t cnt_;
int64_t error_seq_;
AtomicOperator* op_;
int sleep_us_;
};
template <class T>
int alloc_task(ObIDag& dag, T*& task)
{
int ret = OB_SUCCESS;
task = NULL;
if (OB_FAIL(dag.alloc_task(task))) {
COMMON_LOG(WARN, "failed to alloc task", K(ret));
} else if (OB_ISNULL(task)) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "task is NULL", K(ret));
}
return ret;
}
void wait_scheduler(ObDagScheduler& scheduler)
{
while (!scheduler.is_empty()) {
this_routine::usleep(100000);
}
}
class TestDag : public ObIDag {
public:
TestDag()
: ObIDag(ObIDagType::DAG_TYPE_UT, ObIDag::DAG_PRIO_SSTABLE_MINOR_MERGE),
id_(0),
expect_(-1),
expect_ret_(0),
running_(false),
tester_(NULL)
{}
explicit TestDag(ObIDagType type, ObIDagPriority prio)
: ObIDag(type, prio), id_(0), expect_(-1), expect_ret_(0), running_(false), tester_(NULL)
{}
virtual ~TestDag()
{
if (get_dag_status() == ObIDag::DAG_STATUS_FINISH || get_dag_status() == ObIDag::DAG_STATUS_NODE_FAILED) {
if (running_ && -1 != expect_) {
if (op_.value() != expect_ || get_dag_ret() != expect_ret_) {
if (OB_ALLOCATE_MEMORY_FAILED != get_dag_ret()) {
if (NULL != tester_) {
tester_->stop();
}
COMMON_LOG(ERROR, "FATAL ERROR!!!", K_(expect), K(op_.value()), K_(expect_ret), K(get_dag_ret()), K_(id));
common::right_to_die_or_duty_to_live();
}
}
}
}
}
int init(int64_t id, int expect_ret = 0, int64_t expect = -1, lib::ThreadPool* tester = NULL)
{
id_ = id;
expect_ret_ = expect_ret;
expect_ = expect;
tester_ = tester;
ObAddr addr(1683068975, 9999);
if (OB_SUCCESS != (ObSysTaskStatMgr::get_instance().set_self_addr(addr))) {
COMMON_LOG(WARN, "failed to add sys task", K(addr));
}
return OB_SUCCESS;
}
virtual int64_t hash() const
{
return murmurhash(&id_, sizeof(id_), 0);
}
virtual bool operator==(const ObIDag& other) const
{
bool bret = false;
if (get_type() == other.get_type()) {
const TestDag& dag = static_cast<const TestDag&>(other);
bret = dag.id_ == id_;
}
return bret;
}
void set_id(int64_t id)
{
id_ = id;
}
AtomicOperator& get_op()
{
return op_;
}
void set_running()
{
running_ = true;
}
int64_t get_tenant_id() const
{
return 0;
}
int fill_comment(char* buf, const int64_t size) const
{
int ret = OB_SUCCESS;
if (OB_ISNULL(buf) || size < 0) {
COMMON_LOG(INFO, "buf is NULL", K(ret), K(size));
}
return ret;
}
int64_t get_compat_mode() const override
{
return static_cast<int64_t>(ObWorker::CompatMode::MYSQL);
}
VIRTUAL_TO_STRING_KV(K_(is_inited), K_(type), K_(id), K(task_list_.get_size()));
protected:
int64_t id_;
int64_t expect_;
int expect_ret_;
AtomicOperator op_;
bool running_;
lib::ThreadPool* tester_;
private:
DISALLOW_COPY_AND_ASSIGN(TestDag);
};
class TestLPDag : public TestDag {
public:
TestLPDag() : TestDag(ObIDagType::DAG_TYPE_CREATE_INDEX, ObIDag::DAG_PRIO_CREATE_INDEX)
{}
private:
DISALLOW_COPY_AND_ASSIGN(TestLPDag);
};
class TestMPDag : public TestDag {
public:
TestMPDag() : TestDag(ObIDagType::DAG_TYPE_SSTABLE_MAJOR_MERGE, ObIDag::DAG_PRIO_SSTABLE_MAJOR_MERGE)
{}
private:
DISALLOW_COPY_AND_ASSIGN(TestMPDag);
};
class TestHPDag : public TestDag {
public:
TestHPDag() : TestDag(ObIDagType::DAG_TYPE_SSTABLE_MINOR_MERGE, ObIDag::DAG_PRIO_SSTABLE_MINOR_MERGE)
{}
private:
DISALLOW_COPY_AND_ASSIGN(TestHPDag);
};
class TestPrepareTask : public ObITask {
static const int64_t inc_task_cnt = 8;
static const int64_t mul_task_cnt = 6;
public:
TestPrepareTask() : ObITask(ObITask::TASK_TYPE_UT), dag_id_(0), is_error_(false), sleep_us_(0), op_(NULL)
{}
int init(int64_t dag_id, AtomicOperator* op = NULL, bool is_error = false, int sleep_us = 0)
{
int ret = OB_SUCCESS;
dag_id_ = dag_id;
is_error_ = is_error;
sleep_us_ = sleep_us;
if (NULL != op) {
op_ = op;
} else {
TestDag* dag = static_cast<TestDag*>(get_dag());
if (OB_ISNULL(dag)) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "dag is null", K(ret));
} else {
op_ = &dag->get_op();
}
}
return OB_SUCCESS;
}
int process()
{
int ret = OB_SUCCESS;
TestDag* dag = static_cast<TestDag*>(get_dag());
AtomicIncTask* inc_task = NULL;
AtomicMulTask* mul_task = NULL;
AtomicMulTask* mul_task1 = NULL;
if (OB_ISNULL(dag)) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "dag is null", K(ret));
} else if (OB_FAIL(alloc_task(*dag, inc_task))) {
COMMON_LOG(WARN, "failed to alloc inc_task", K(ret));
} else if (OB_FAIL(inc_task->init(1, inc_task_cnt, *op_))) {
} else if (OB_FAIL(alloc_task(*dag, mul_task))) {
COMMON_LOG(WARN, "failed to alloc mul task", K(ret));
} else if (OB_FAIL(mul_task->init(1, mul_task_cnt, *op_, 0, is_error_ ? 1 + (dag_id_ % mul_task_cnt) : -1))) {
} else if (OB_FAIL(alloc_task(*dag, mul_task1))) {
COMMON_LOG(WARN, "failed to alloc mul task", K(ret));
} else if (OB_FAIL(mul_task1->init(1, mul_task_cnt, *op_))) {
} else if (OB_FAIL(mul_task->add_child(*inc_task))) {
COMMON_LOG(WARN, "failed to add child", K(ret));
} else if (OB_FAIL(mul_task1->add_child(*inc_task))) {
COMMON_LOG(WARN, "failed to add child", K(ret));
} else if (OB_FAIL(add_child(*mul_task))) {
COMMON_LOG(WARN, "failed to add child to self", K(ret));
} else if (OB_FAIL(add_child(*mul_task1))) {
COMMON_LOG(WARN, "failed to add child to self", K(ret));
} else if (OB_FAIL(dag->add_task(*inc_task))) {
COMMON_LOG(WARN, "failed to add_task", K(ret));
} else if (OB_FAIL(dag->add_task(*mul_task1))) {
COMMON_LOG(WARN, "failed to add_task", K(ret));
} else if (OB_FAIL(dag->add_task(*mul_task))) {
COMMON_LOG(WARN, "failed to add_task", K(ret));
} else {
dag->set_running();
}
if (sleep_us_ > 0) {
this_routine::usleep(sleep_us_);
if (is_error_) {
ret = OB_ERR_UNEXPECTED;
}
}
return ret;
}
private:
int64_t dag_id_;
bool is_error_;
int sleep_us_;
AtomicOperator* op_;
};
class TestCyclePrepare : public ObITask {
public:
TestCyclePrepare() : ObITask(ObITask::TASK_TYPE_UT), op_(NULL)
{}
int init(AtomicOperator* op = NULL)
{
int ret = OB_SUCCESS;
if (NULL != op) {
op_ = op;
} else {
TestDag* dag = static_cast<TestDag*>(get_dag());
if (OB_ISNULL(dag)) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "dag is null", K(ret));
} else {
op_ = &dag->get_op();
}
}
return OB_SUCCESS;
}
int process()
{
int ret = OB_SUCCESS;
TestDag* dag = static_cast<TestDag*>(get_dag());
AtomicIncTask* inc_task = NULL;
AtomicMulTask* mul_task = NULL;
AtomicMulTask* mul_task1 = NULL;
if (OB_ISNULL(dag)) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "dag is null", K(ret));
} else if (OB_FAIL(alloc_task(*dag, inc_task))) {
COMMON_LOG(WARN, "failed to alloc inc_task", K(ret));
} else if (OB_FAIL(inc_task->init(1, 5, *op_))) {
} else if (OB_FAIL(alloc_task(*dag, mul_task))) {
COMMON_LOG(WARN, "failed to alloc mul task", K(ret));
} else if (OB_FAIL(mul_task->init(1, 5, *op_))) {
} else if (OB_FAIL(alloc_task(*dag, mul_task1))) {
COMMON_LOG(WARN, "failed to alloc mul task", K(ret));
} else if (OB_FAIL(mul_task1->init(1, 5, *op_))) {
} else if (OB_FAIL(mul_task->add_child(*inc_task))) {
COMMON_LOG(WARN, "failed to add child", K(ret));
} else if (OB_FAIL(mul_task1->add_child(*inc_task))) {
COMMON_LOG(WARN, "failed to add child", K(ret));
} else if (OB_FAIL(inc_task->add_child(*mul_task))) {
COMMON_LOG(WARN, "failed to add child", K(ret));
} else if (OB_FAIL(add_child(*mul_task))) {
COMMON_LOG(WARN, "failed to add child to self", K(ret));
} else if (OB_FAIL(add_child(*mul_task1))) {
COMMON_LOG(WARN, "failed to add child to self", K(ret));
} else if (OB_FAIL(dag->add_task(*inc_task))) {
COMMON_LOG(WARN, "failed to add_task", K(ret));
} else if (OB_FAIL(dag->add_task(*mul_task1))) {
COMMON_LOG(WARN, "failed to add_task", K(ret));
} else if (OB_FAIL(dag->add_task(*mul_task))) {
dag->free_task(*mul_task);
COMMON_LOG(WARN, "failed to add_task", K(ret));
}
return ret;
}
private:
AtomicOperator* op_;
};
class DagSchedulerStressTester : public lib::ThreadPool {
static const int64_t STRESS_THREAD_NUM = 16;
public:
DagSchedulerStressTester() : test_time_(0)
{}
int init(int64_t test_time)
{
test_time_ = test_time * 1000;
return OB_SUCCESS;
}
int do_stress()
{
int ret = OB_SUCCESS;
set_thread_count(STRESS_THREAD_NUM);
int64_t start_time = ObTimeUtility::current_time();
start();
wait();
int64_t elapsed_time = ObTimeUtility::current_time() - start_time;
COMMON_LOG(INFO, "stress test finished", K(elapsed_time / 1000));
ObDagScheduler::get_instance().destroy();
int ret_code = system("grep ERROR test_dag_scheduler.log -q");
ret_code = WEXITSTATUS(ret_code);
if (ret_code == 0)
ret = OB_ERR_UNEXPECTED;
return ret;
}
void run1()
{
int64_t start_time = ObTimeUtility::current_time();
int ret = OB_SUCCESS;
int tmp_ret = OB_SUCCESS;
ObDagScheduler& scheduler = ObDagScheduler::get_instance();
while (!has_set_stop() && OB_SUCC(ret) && (ObTimeUtility::current_time() - start_time < test_time_)) {
const int64_t dag_id = get_dag_id();
TestDag* dag = NULL;
TestPrepareTask* task = NULL;
int expect_ret = (dag_id % 10 == 0 ? OB_ERR_UNEXPECTED : OB_SUCCESS);
int64_t expect_value = (dag_id % 10 == 0 ? 0 : 8);
switch (dag_id % ObIDag::DAG_PRIO_MAX) {
case ObIDag::DAG_PRIO_CREATE_INDEX: {
TestLPDag* lp_dag = NULL;
if (OB_SUCCESS != (tmp_ret = scheduler.alloc_dag(lp_dag))) {
if (OB_ALLOCATE_MEMORY_FAILED != tmp_ret) {
ret = tmp_ret;
COMMON_LOG(ERROR, "failed to allocate dag", K(ret));
} else {
COMMON_LOG(WARN, "out of memory", K(scheduler.get_cur_dag_cnt()));
}
} else {
dag = lp_dag;
}
break;
}
case ObIDag::DAG_PRIO_SSTABLE_MAJOR_MERGE: {
TestMPDag* mp_dag = NULL;
if (OB_SUCCESS != (tmp_ret = scheduler.alloc_dag(mp_dag))) {
if (OB_ALLOCATE_MEMORY_FAILED != tmp_ret) {
ret = tmp_ret;
COMMON_LOG(ERROR, "failed to allocate dag", K(ret));
} else {
COMMON_LOG(WARN, "out of memory", K(scheduler.get_cur_dag_cnt()));
}
} else {
dag = mp_dag;
}
break;
}
default: {
TestHPDag* hp_dag = NULL;
if (OB_SUCCESS != (tmp_ret = scheduler.alloc_dag(hp_dag))) {
if (OB_ALLOCATE_MEMORY_FAILED != tmp_ret) {
ret = tmp_ret;
COMMON_LOG(ERROR, "failed to allocate dag", K(ret));
} else {
COMMON_LOG(WARN, "out of memory", K(scheduler.get_cur_dag_cnt()));
}
} else {
dag = hp_dag;
}
break;
}
}
if (OB_SUCCESS != tmp_ret) {
continue;
}
if (OB_FAIL(dag->init(dag_id, expect_ret, expect_value, this))) {
COMMON_LOG(WARN, "failed to init dag", K(ret));
} else if (OB_SUCCESS != (tmp_ret = alloc_task(*dag, task))) {
COMMON_LOG(WARN, "failed to alloc task", K(tmp_ret));
} else if (OB_FAIL(task->init(dag_id, NULL, expect_ret != OB_SUCCESS))) {
COMMON_LOG(WARN, "failed to init task", K(ret));
} else if (OB_FAIL(dag->add_task(*task))) {
COMMON_LOG(WARN, "failed to add task", K(ret));
} else {
if (OB_SUCCESS != (tmp_ret = scheduler.add_dag(dag))) {
if (OB_SIZE_OVERFLOW != tmp_ret) {
COMMON_LOG(ERROR, "failed to add dag", K(tmp_ret), K(*dag));
}
scheduler.free_dag(*dag);
}
}
}
}
int64_t get_dag_id()
{
return ATOMIC_FAA(&counter_, 1);
}
private:
static int64_t counter_;
int64_t test_time_;
};
int64_t DagSchedulerStressTester::counter_ = 0;
class TestDagScheduler : public ::testing::Test {
public:
TestDagScheduler()
{}
~TestDagScheduler()
{}
void SetUp()
{
ObUnitInfoGetter::ObTenantConfig unit_config;
unit_config.mode_ = ObWorker::CompatMode::MYSQL;
unit_config.tenant_id_ = 0;
TenantUnits units;
ASSERT_EQ(OB_SUCCESS, units.push_back(unit_config));
// ASSERT_EQ(OB_SUCCESS, ObTenantNodeBalancer::get_instance().load_tenant(units));
}
void TearDown()
{}
private:
DISALLOW_COPY_AND_ASSIGN(TestDagScheduler);
};
TEST_F(TestDagScheduler, test_init)
{
ObDagScheduler& scheduler = ObDagScheduler::get_instance();
ObAddr addr(1, 1);
// invalid thread cnt
EXPECT_EQ(OB_INVALID_ARGUMENT, scheduler.init(addr, time_slice, -1));
// invalid dag_limit
EXPECT_EQ(OB_INVALID_ARGUMENT, scheduler.init(addr, time_slice, 0, 0));
// invalid total_mem_limit
EXPECT_EQ(OB_INVALID_ARGUMENT, scheduler.init(addr, time_slice, 0, 10, 0));
// invalid hold_mem_limit
EXPECT_EQ(OB_INVALID_ARGUMENT, scheduler.init(addr, time_slice, 0, 10, 1024, 0));
EXPECT_EQ(OB_INVALID_ARGUMENT, scheduler.init(addr, time_slice, 0, 10, 1024, 2048));
EXPECT_EQ(OB_SUCCESS, scheduler.init(addr, time_slice, 100));
EXPECT_EQ(OB_INIT_TWICE, scheduler.init(addr));
}
TEST_F(TestDagScheduler, baisc_test)
{
ObDagScheduler& scheduler = ObDagScheduler::get_instance();
scheduler.destroy();
scheduler.init(ObAddr(1, 1), time_slice);
int ret = OB_SUCCESS;
TestDag* dag = NULL;
TestDag* dup_dag = NULL;
int64_t counter = 0;
// simple two-level dag
if (OB_FAIL(scheduler.alloc_dag(dag))) {
COMMON_LOG(WARN, "failed to alloc dag");
} else if (NULL == dag) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "dag is null", K(ret));
} else if (OB_FAIL(dag->init(1))) {
COMMON_LOG(WARN, "failed to init dag", K(ret));
} else {
TestAddTask* add_task = NULL;
TestMulTask* mul_task = NULL;
if (OB_FAIL(dag->alloc_task(mul_task))) {
COMMON_LOG(WARN, "failed to alloc task", K(ret));
} else if (NULL == mul_task) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "task is null", K(ret));
} else {
if (OB_FAIL(mul_task->init(&counter))) {
COMMON_LOG(WARN, "failed to init add task", K(ret));
} else if (OB_FAIL(dag->add_task(*mul_task))) {
COMMON_LOG(WARN, "failed to add task", K(ret));
}
if (OB_FAIL(ret)) {
dag->free_task(*mul_task);
} else {
if (OB_FAIL(dag->alloc_task(add_task))) {
COMMON_LOG(WARN, "failed to alloc task", K(ret));
} else if (NULL == add_task) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "task is null", K(ret));
} else {
if (OB_FAIL(add_task->init(&counter, 1, 0, 10, 200 * 1000))) {
COMMON_LOG(WARN, "failed to init add task", K(ret));
} else if (OB_FAIL(add_task->add_child(*mul_task))) {
COMMON_LOG(WARN, "failed to add child", K(ret));
} else if (OB_FAIL(dag->add_task(*add_task))) {
COMMON_LOG(WARN, "failed to add task");
}
if (OB_FAIL(ret)) {
dag->free_task(*add_task);
}
}
}
}
}
// check deduplication functionality
if (OB_FAIL(scheduler.alloc_dag(dup_dag))) {
COMMON_LOG(WARN, "failed to alloc dag");
} else if (NULL == dup_dag) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "dag is null", K(ret));
} else if (OB_FAIL(dup_dag->init(1))) {
COMMON_LOG(WARN, "failed to init dag", K(ret));
} else {
TestMulTask* mul_task = NULL;
if (OB_FAIL(dup_dag->alloc_task(mul_task))) {
COMMON_LOG(WARN, "failed to alloc task", K(ret));
} else if (NULL == mul_task) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "task is null", K(ret));
} else {
if (OB_FAIL(mul_task->init(&counter))) {
COMMON_LOG(WARN, "failed to init add task", K(ret));
} else if (OB_FAIL(dup_dag->add_task(*mul_task))) {
COMMON_LOG(WARN, "failed to add task", K(ret));
}
if (OB_FAIL(ret)) {
dag->free_task(*mul_task);
}
}
}
EXPECT_EQ(OB_SUCCESS, ret);
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag));
EXPECT_EQ(OB_EAGAIN, scheduler.add_dag(dup_dag));
scheduler.free_dag(*dup_dag);
wait_scheduler(scheduler);
EXPECT_EQ(counter, 20);
// three level dag that each level would generate dynamic tasks
AtomicOperator op(0);
TestDag* dag1 = NULL;
AtomicIncTask* inc_task = NULL;
AtomicIncTask* inc_task1 = NULL;
AtomicMulTask* mul_task = NULL;
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag1));
EXPECT_EQ(OB_SUCCESS, dag1->init(1));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag1, inc_task));
EXPECT_EQ(OB_SUCCESS, inc_task->init(1, 10, op));
EXPECT_EQ(OB_SUCCESS, dag1->add_task(*inc_task));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag1, mul_task));
EXPECT_EQ(OB_SUCCESS, mul_task->init(1, 4, op));
EXPECT_EQ(OB_SUCCESS, mul_task->add_child(*inc_task));
EXPECT_EQ(OB_SUCCESS, dag1->add_task(*mul_task));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag1, inc_task1));
EXPECT_EQ(OB_SUCCESS, inc_task1->init(1, 10, op));
EXPECT_EQ(OB_SUCCESS, inc_task1->add_child(*mul_task));
EXPECT_EQ(OB_SUCCESS, dag1->add_task(*inc_task1));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag1));
wait_scheduler(scheduler);
EXPECT_EQ(170, op.value());
// two-level dag with 2 tasks on the first level
op.reset();
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag1));
EXPECT_EQ(OB_SUCCESS, dag1->init(1));
// add mul task
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag1, mul_task));
EXPECT_EQ(OB_SUCCESS, mul_task->init(1, 4, op));
EXPECT_EQ(OB_SUCCESS, dag1->add_task(*mul_task));
// add inc task
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag1, inc_task1));
EXPECT_EQ(OB_SUCCESS, inc_task1->init(1, 10, op));
EXPECT_EQ(OB_SUCCESS, inc_task1->add_child(*mul_task));
EXPECT_EQ(OB_SUCCESS, dag1->add_task(*inc_task1));
// add another inc task
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag1, inc_task1));
EXPECT_EQ(OB_SUCCESS, inc_task1->init(1, 10, op));
EXPECT_EQ(OB_SUCCESS, inc_task1->add_child(*mul_task));
EXPECT_EQ(OB_SUCCESS, dag1->add_task(*inc_task1));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag1));
wait_scheduler(scheduler);
EXPECT_EQ(320, op.value());
// a dag with single task which generate all other tasks while processing
TestPrepareTask* prepare_task = NULL;
op.reset();
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag1));
EXPECT_EQ(OB_SUCCESS, dag1->init(1));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag1, prepare_task));
EXPECT_EQ(OB_SUCCESS, prepare_task->init(1, &op));
EXPECT_EQ(OB_SUCCESS, dag1->add_task(*prepare_task));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag1));
wait_scheduler(scheduler);
EXPECT_EQ(8, op.value());
op.reset();
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag1));
EXPECT_EQ(OB_SUCCESS, dag1->init(1));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag1, prepare_task));
EXPECT_EQ(OB_SUCCESS, prepare_task->init(1, &op, false, 1000 * 1000));
EXPECT_EQ(OB_SUCCESS, dag1->add_task(*prepare_task));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag1));
wait_scheduler(scheduler);
EXPECT_EQ(8, op.value());
}
TEST_F(TestDagScheduler, test_cycle)
{
ObDagScheduler& scheduler = ObDagScheduler::get_instance();
scheduler.destroy();
scheduler.init(ObAddr(1, 1), time_slice);
int ret = OB_SUCCESS;
TestDag* dag = NULL;
int64_t counter = 0;
if (OB_FAIL(scheduler.alloc_dag(dag))) {
COMMON_LOG(WARN, "failed to alloc dag");
} else if (NULL == dag) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "dag is null", K(ret));
} else if (OB_FAIL(dag->init(1))) {
COMMON_LOG(WARN, "failed to init dag", K(ret));
} else {
TestAddTask* add_task = NULL;
TestMulTask* mul_task = NULL;
if (OB_FAIL(dag->alloc_task(mul_task))) {
COMMON_LOG(WARN, "failed to alloc task", K(ret));
} else if (NULL == mul_task) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "task is null", K(ret));
} else {
if (OB_FAIL(mul_task->init(&counter))) {
COMMON_LOG(WARN, "failed to init add task", K(ret));
}
EXPECT_EQ(OB_INVALID_ARGUMENT, mul_task->add_child(*mul_task));
if (OB_SUCC(ret)) {
if (OB_FAIL(dag->alloc_task(add_task))) {
COMMON_LOG(WARN, "failed to alloc task", K(ret));
} else if (NULL == add_task) {
ret = OB_ERR_UNEXPECTED;
COMMON_LOG(WARN, "task is null", K(ret));
} else {
add_task->init(&counter, 1, 0, 3);
add_task->add_child(*mul_task);
mul_task->add_child(*add_task);
}
EXPECT_EQ(OB_SUCCESS, dag->add_task(*mul_task));
EXPECT_EQ(OB_INVALID_ARGUMENT, dag->add_task(*add_task));
dag->free_task(*add_task);
scheduler.free_dag(*dag);
}
}
}
TestCyclePrepare* prepare_task = NULL;
AtomicOperator op;
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag));
EXPECT_EQ(OB_SUCCESS, dag->init(1, OB_INVALID_ARGUMENT, 0));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag, prepare_task));
EXPECT_EQ(OB_SUCCESS, prepare_task->init(&op));
EXPECT_EQ(OB_SUCCESS, dag->add_task(*prepare_task));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag));
wait_scheduler(scheduler);
EXPECT_EQ(0, op.value());
}
TEST_F(TestDagScheduler, test_priority)
{
ObDagScheduler& scheduler = ObDagScheduler::get_instance();
scheduler.destroy();
scheduler.init(ObAddr(1, 1), time_slice);
AtomicOperator op(0);
TestLPDag* dag1 = NULL;
AtomicIncTask* inc_task = NULL;
int32_t thread_cnt = scheduler.get_work_thread_num();
for (int64_t i = 0; i < ObIDag::DAG_ULT_MAX; ++i) {
scheduler.set_max_thread(i, thread_cnt);
}
EXPECT_EQ(thread_cnt, scheduler.get_work_thread_num());
int32_t lp_min = scheduler.DEFAULT_LOW_LIMIT[ObIDag::DAG_PRIO_CREATE_INDEX];
int32_t mp_min = scheduler.DEFAULT_LOW_LIMIT[ObIDag::DAG_PRIO_SSTABLE_MAJOR_MERGE];
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag1));
EXPECT_EQ(OB_SUCCESS, dag1->init(1));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag1, inc_task));
EXPECT_EQ(OB_SUCCESS, inc_task->init(1, thread_cnt, op, 8 * sleep_slice));
EXPECT_EQ(OB_SUCCESS, dag1->add_task(*inc_task));
TestHPDag* dag2 = NULL;
AtomicMulTask* mul_task = NULL;
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag2));
EXPECT_EQ(OB_SUCCESS, dag2->init(2));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag2, mul_task));
EXPECT_EQ(OB_SUCCESS, mul_task->init(1, thread_cnt, op, 6 * sleep_slice));
EXPECT_EQ(OB_SUCCESS, dag2->add_task(*mul_task));
TestMPDag* dag3 = NULL;
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag3));
EXPECT_EQ(OB_SUCCESS, dag3->init(3));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag3, inc_task));
EXPECT_EQ(OB_SUCCESS, inc_task->init(1, thread_cnt, op, 4 * sleep_slice));
EXPECT_EQ(OB_SUCCESS, dag3->add_task(*inc_task));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag1));
CHECK_EQ_UTIL_TIMEOUT(thread_cnt, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_CREATE_INDEX));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag2));
// high priority preempt quotas from low priority, low priority run at min thread
CHECK_EQ_UTIL_TIMEOUT(lp_min, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_CREATE_INDEX));
EXPECT_EQ(thread_cnt - lp_min, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_SSTABLE_MINOR_MERGE));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag3));
// medium priority takes the min_thread quotas belong to him
CHECK_EQ_UTIL_TIMEOUT(lp_min, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_CREATE_INDEX));
CHECK_EQ_UTIL_TIMEOUT(mp_min, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_SSTABLE_MAJOR_MERGE));
CHECK_EQ_UTIL_TIMEOUT(
thread_cnt - lp_min - mp_min, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_SSTABLE_MINOR_MERGE));
CHECK_EQ_UTIL_TIMEOUT(thread_cnt * 2 - lp_min + mp_min, scheduler.total_worker_cnt_);
wait_scheduler(scheduler);
// check if excessive threads are reclaimed
CHECK_EQ_UTIL_TIMEOUT(thread_cnt, scheduler.total_worker_cnt_);
COMMON_LOG(INFO, "start test priority case 2");
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag1));
EXPECT_EQ(OB_SUCCESS, dag1->init(1));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag1, inc_task));
EXPECT_EQ(OB_SUCCESS, inc_task->init(1, thread_cnt, op, 10 * sleep_slice));
EXPECT_EQ(OB_SUCCESS, dag1->add_task(*inc_task));
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag2));
EXPECT_EQ(OB_SUCCESS, dag2->init(2));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag2, mul_task));
EXPECT_EQ(OB_SUCCESS, mul_task->init(1, thread_cnt - lp_min, op, 5 * sleep_slice));
EXPECT_EQ(OB_SUCCESS, dag2->add_task(*mul_task));
// low priority run at max speed
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag1));
CHECK_EQ_UTIL_TIMEOUT(thread_cnt, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_CREATE_INDEX));
// high priority preempt quotas from low priority, low priority run at min thread
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag2));
CHECK_EQ_UTIL_TIMEOUT(lp_min, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_CREATE_INDEX));
EXPECT_EQ(thread_cnt - lp_min, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_SSTABLE_MINOR_MERGE));
// when high priority finishes, low priority will bounce back to full speed
CHECK_EQ_UTIL_TIMEOUT(thread_cnt, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_CREATE_INDEX));
wait_scheduler(scheduler);
}
TEST_F(TestDagScheduler, test_error_handling)
{
ObDagScheduler& scheduler = ObDagScheduler::get_instance();
scheduler.destroy();
scheduler.init(ObAddr(1, 1), time_slice);
AtomicOperator op(0);
TestDag* dag = NULL;
AtomicMulTask* mul_task = NULL;
AtomicIncTask* inc_task = NULL;
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag));
EXPECT_EQ(OB_SUCCESS, dag->init(1));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag, mul_task));
EXPECT_EQ(OB_SUCCESS, mul_task->init(1, 10, op, 0, 8));
EXPECT_EQ(OB_SUCCESS, dag->add_task(*mul_task));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag, inc_task));
EXPECT_EQ(OB_SUCCESS, inc_task->init(1, 10, op));
EXPECT_EQ(OB_SUCCESS, mul_task->add_child(*inc_task));
EXPECT_EQ(OB_SUCCESS, dag->add_task(*inc_task));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag));
wait_scheduler(scheduler);
EXPECT_EQ(0, op.value());
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag));
EXPECT_EQ(OB_SUCCESS, dag->init(1));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag, mul_task));
EXPECT_EQ(OB_SUCCESS, mul_task->init(1, 1, op, 0, 1));
EXPECT_EQ(OB_SUCCESS, dag->add_task(*mul_task));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag, inc_task));
EXPECT_EQ(OB_SUCCESS, inc_task->init(1, 10, op));
EXPECT_EQ(OB_SUCCESS, inc_task->add_child(*mul_task));
EXPECT_EQ(OB_SUCCESS, dag->add_task(*inc_task));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag, inc_task));
EXPECT_EQ(OB_SUCCESS, inc_task->init(1, 10, op));
EXPECT_EQ(OB_SUCCESS, mul_task->add_child(*inc_task));
EXPECT_EQ(OB_SUCCESS, dag->add_task(*inc_task));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag));
wait_scheduler(scheduler);
EXPECT_EQ(10, op.value());
TestDag* dag1 = NULL;
TestPrepareTask* prepare_task = NULL;
op.reset();
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag1));
EXPECT_EQ(OB_SUCCESS, dag1->init(1));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag1, prepare_task));
EXPECT_EQ(OB_SUCCESS, prepare_task->init(1, &op, true));
EXPECT_EQ(OB_SUCCESS, dag1->add_task(*prepare_task));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag1));
wait_scheduler(scheduler);
EXPECT_EQ(0, op.value());
op.reset();
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag1));
EXPECT_EQ(OB_SUCCESS, dag1->init(1));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag1, prepare_task));
EXPECT_EQ(OB_SUCCESS, prepare_task->init(1, &op, true, 1000 * 1000));
EXPECT_EQ(OB_SUCCESS, dag1->add_task(*prepare_task));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag1));
wait_scheduler(scheduler);
EXPECT_EQ(0, op.value());
}
void print_state(int64_t idx)
{
ObDagScheduler& scheduler = ObDagScheduler::get_instance();
COMMON_LOG(INFO,
"scheduler state: ",
K(scheduler.total_running_task_cnt_),
K(scheduler.work_thread_num_),
K(scheduler.total_worker_cnt_),
K(scheduler.low_limits_[idx]),
K(scheduler.up_limits_[idx]),
K(scheduler.running_task_cnts_[idx]));
}
TEST_F(TestDagScheduler, test_set_concurrency)
{
ObDagScheduler& scheduler = ObDagScheduler::get_instance();
scheduler.destroy();
int32_t thread_cnt = ObDagScheduler::DEFAULT_UP_LIMIT[ObIDag::DAG_ULT_MINOR_MERGE];
EXPECT_EQ(OB_SUCCESS, scheduler.init(ObAddr(1, 1), time_slice, thread_cnt));
TestHPDag* dag = NULL;
AtomicIncTask* inc_task = NULL;
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag));
EXPECT_EQ(OB_SUCCESS, dag->init(1));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag, inc_task));
EXPECT_EQ(OB_SUCCESS, inc_task->init(1, thread_cnt * 2, dag->get_op(), 10 * sleep_slice));
EXPECT_EQ(OB_SUCCESS, dag->add_task(*inc_task));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag));
int64_t idx = ObIDag::DAG_PRIO_SSTABLE_MINOR_MERGE;
CHECK_EQ_UTIL_TIMEOUT(scheduler.DEFAULT_LOW_LIMIT[idx], scheduler.low_limits_[idx]);
CHECK_EQ_UTIL_TIMEOUT(thread_cnt, scheduler.up_limits_[ObDagScheduler::UP_LIMIT_MAP[idx]]);
CHECK_EQ_UTIL_TIMEOUT(thread_cnt, scheduler.total_running_task_cnt_);
EXPECT_TRUE(thread_cnt <= scheduler.work_thread_num_);
// set max to 20
EXPECT_EQ(OB_SUCCESS, scheduler.set_max_thread(ObDagScheduler::UP_LIMIT_MAP[idx], 20));
EXPECT_EQ(scheduler.DEFAULT_LOW_LIMIT[idx], scheduler.low_limits_[idx]);
EXPECT_EQ(20, scheduler.up_limits_[ObDagScheduler::UP_LIMIT_MAP[idx]]);
CHECK_EQ_UTIL_TIMEOUT(20, scheduler.total_running_task_cnt_);
EXPECT_EQ(20, scheduler.work_thread_num_);
// set to 1
EXPECT_EQ(OB_SUCCESS, scheduler.set_max_thread(ObDagScheduler::UP_LIMIT_MAP[idx], 1));
print_state(idx);
EXPECT_EQ(1, scheduler.low_limits_[idx]);
EXPECT_EQ(1, scheduler.up_limits_[ObDagScheduler::UP_LIMIT_MAP[idx]]);
CHECK_EQ_UTIL_TIMEOUT(1, scheduler.total_running_task_cnt_);
EXPECT_TRUE(thread_cnt <= scheduler.work_thread_num_);
// set to 2
EXPECT_EQ(OB_SUCCESS, scheduler.set_max_thread(ObDagScheduler::UP_LIMIT_MAP[idx], 2));
print_state(idx);
EXPECT_EQ(1, scheduler.low_limits_[idx]);
EXPECT_EQ(2, scheduler.up_limits_[ObDagScheduler::UP_LIMIT_MAP[idx]]);
CHECK_EQ_UTIL_TIMEOUT(2, scheduler.total_running_task_cnt_);
EXPECT_TRUE(thread_cnt <= scheduler.work_thread_num_);
// set to 5
EXPECT_EQ(OB_SUCCESS, scheduler.set_max_thread(ObDagScheduler::UP_LIMIT_MAP[idx], 5));
print_state(idx);
EXPECT_EQ(1, scheduler.low_limits_[idx]);
EXPECT_EQ(5, scheduler.up_limits_[ObDagScheduler::UP_LIMIT_MAP[idx]]);
CHECK_EQ_UTIL_TIMEOUT(5, scheduler.total_running_task_cnt_);
EXPECT_TRUE(thread_cnt <= scheduler.work_thread_num_);
// set to 0
EXPECT_EQ(OB_SUCCESS, scheduler.set_max_thread(ObDagScheduler::UP_LIMIT_MAP[idx], 0));
print_state(idx);
EXPECT_EQ(1, scheduler.low_limits_[idx]);
EXPECT_EQ(scheduler.up_limits_[ObDagScheduler::UP_LIMIT_MAP[idx]],
ObDagScheduler::DEFAULT_UP_LIMIT[ObDagScheduler::UP_LIMIT_MAP[idx]]);
CHECK_EQ_UTIL_TIMEOUT(thread_cnt, scheduler.total_running_task_cnt_);
EXPECT_TRUE(thread_cnt <= scheduler.work_thread_num_);
wait_scheduler(scheduler);
}
TEST_F(TestDagScheduler, stress_test)
{
ObDagScheduler& scheduler = ObDagScheduler::get_instance();
scheduler.destroy();
EXPECT_EQ(OB_SUCCESS, scheduler.init(ObAddr(1, 1), time_slice, 64));
DagSchedulerStressTester tester;
tester.init(stress_time);
EXPECT_EQ(OB_SUCCESS, tester.do_stress());
}
TEST_F(TestDagScheduler, test_get_dag_count)
{
ObDagScheduler& scheduler = ObDagScheduler::get_instance();
TestMPDag* dag = NULL;
TestMPDag* dag2 = NULL;
TestMulTask* mul_task = NULL;
TestMulTask* mul_task2 = NULL;
int64_t counter = 1;
scheduler.destroy();
EXPECT_EQ(OB_SUCCESS, scheduler.init(ObAddr(1, 1), time_slice));
EXPECT_EQ(0, scheduler.get_dag_count(ObIDag::DAG_TYPE_UT));
EXPECT_EQ(0, scheduler.get_dag_count(ObIDag::DAG_TYPE_SSTABLE_MAJOR_MERGE));
EXPECT_EQ(0, scheduler.get_dag_count(ObIDag::DAG_TYPE_SSTABLE_MINOR_MERGE));
EXPECT_EQ(0, scheduler.get_dag_count(ObIDag::DAG_TYPE_CREATE_INDEX));
EXPECT_EQ(-1, scheduler.get_dag_count(ObIDag::DAG_TYPE_MAX));
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag));
EXPECT_EQ(OB_SUCCESS, dag->init(1));
EXPECT_EQ(OB_SUCCESS, dag->alloc_task(mul_task));
EXPECT_EQ(OB_SUCCESS, mul_task->init(&counter));
EXPECT_EQ(OB_SUCCESS, dag->add_task(*mul_task));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag));
sleep(1);
EXPECT_EQ(0, scheduler.get_dag_count(ObIDag::DAG_TYPE_UT));
EXPECT_EQ(0, scheduler.get_dag_count(ObIDag::DAG_TYPE_SSTABLE_MINOR_MERGE));
EXPECT_EQ(0, scheduler.get_dag_count(ObIDag::DAG_TYPE_SSTABLE_MAJOR_MERGE));
EXPECT_EQ(0, scheduler.get_dag_count(ObIDag::DAG_TYPE_CREATE_INDEX));
EXPECT_EQ(-1, scheduler.get_dag_count(ObIDag::DAG_TYPE_MAX));
scheduler.stop();
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag));
EXPECT_EQ(OB_SUCCESS, dag->init(1));
EXPECT_EQ(OB_SUCCESS, dag->alloc_task(mul_task));
EXPECT_EQ(OB_SUCCESS, mul_task->init(&counter));
EXPECT_EQ(OB_SUCCESS, dag->add_task(*mul_task));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag));
EXPECT_EQ(0, scheduler.get_dag_count(ObIDag::DAG_TYPE_UT));
EXPECT_EQ(0, scheduler.get_dag_count(ObIDag::DAG_TYPE_SSTABLE_MINOR_MERGE));
EXPECT_EQ(1, scheduler.get_dag_count(ObIDag::DAG_TYPE_SSTABLE_MAJOR_MERGE));
EXPECT_EQ(0, scheduler.get_dag_count(ObIDag::DAG_TYPE_CREATE_INDEX));
EXPECT_EQ(-1, scheduler.get_dag_count(ObIDag::DAG_TYPE_MAX));
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag2));
EXPECT_EQ(OB_SUCCESS, dag2->init(2));
EXPECT_EQ(OB_SUCCESS, dag2->alloc_task(mul_task2));
EXPECT_EQ(OB_SUCCESS, mul_task2->init(&counter));
EXPECT_EQ(OB_SUCCESS, dag2->add_task(*mul_task2));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag2));
EXPECT_EQ(0, scheduler.get_dag_count(ObIDag::DAG_TYPE_UT));
EXPECT_EQ(0, scheduler.get_dag_count(ObIDag::DAG_TYPE_SSTABLE_MINOR_MERGE));
EXPECT_EQ(2, scheduler.get_dag_count(ObIDag::DAG_TYPE_SSTABLE_MAJOR_MERGE));
EXPECT_EQ(0, scheduler.get_dag_count(ObIDag::DAG_TYPE_CREATE_INDEX));
EXPECT_EQ(-1, scheduler.get_dag_count(ObIDag::DAG_TYPE_MAX));
scheduler.destroy();
}
TEST_F(TestDagScheduler, test_destroy_when_running)
{
ObDagScheduler& scheduler = ObDagScheduler::get_instance();
scheduler.destroy();
scheduler.init(ObAddr(1, 1), time_slice);
AtomicOperator op(0);
TestLPDag* dag1 = NULL;
AtomicIncTask* inc_task = NULL;
int32_t thread_cnt = scheduler.get_work_thread_num();
for (int64_t i = 0; i < ObIDag::DAG_ULT_MAX; ++i) {
scheduler.set_max_thread(i, thread_cnt);
}
EXPECT_EQ(thread_cnt, scheduler.get_work_thread_num());
int32_t lp_min = scheduler.DEFAULT_LOW_LIMIT[ObIDag::DAG_PRIO_CREATE_INDEX];
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag1));
EXPECT_EQ(OB_SUCCESS, dag1->init(1));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag1, inc_task));
EXPECT_EQ(OB_SUCCESS, inc_task->init(1, thread_cnt, op, 4 * sleep_slice));
EXPECT_EQ(OB_SUCCESS, dag1->add_task(*inc_task));
TestHPDag* dag2 = NULL;
AtomicMulTask* mul_task = NULL;
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag2));
EXPECT_EQ(OB_SUCCESS, dag2->init(2));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag2, mul_task));
EXPECT_EQ(OB_SUCCESS, mul_task->init(1, thread_cnt, op, 3 * sleep_slice));
EXPECT_EQ(OB_SUCCESS, dag2->add_task(*mul_task));
TestMPDag* dag3 = NULL;
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag3));
EXPECT_EQ(OB_SUCCESS, dag3->init(3));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag3, inc_task));
EXPECT_EQ(OB_SUCCESS, inc_task->init(1, thread_cnt, op, 2 * sleep_slice));
EXPECT_EQ(OB_SUCCESS, dag3->add_task(*inc_task));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag1));
CHECK_EQ_UTIL_TIMEOUT(thread_cnt, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_CREATE_INDEX));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag2));
// high priority preempt quotas from low priority, low priority run at min thread
CHECK_EQ_UTIL_TIMEOUT(lp_min, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_CREATE_INDEX));
CHECK_EQ_UTIL_TIMEOUT(thread_cnt - lp_min, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_SSTABLE_MINOR_MERGE));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag3));
scheduler.destroy();
}
TEST_F(TestDagScheduler, test_up_limit)
{
ObDagScheduler& scheduler = ObDagScheduler::get_instance();
scheduler.destroy();
scheduler.init(ObAddr(1, 1), time_slice, 64);
AtomicOperator op(0);
TestLPDag* dag1 = NULL;
AtomicIncTask* inc_task = NULL;
const int32_t lp_min = scheduler.low_limits_[ObIDag::DAG_PRIO_MIGRATE_LOW];
const int32_t mp_min = scheduler.low_limits_[ObIDag::DAG_PRIO_MIGRATE_MID];
const int32_t up_limit = scheduler.up_limits_[ObIDag::DAG_ULT_MIGRATE];
scheduler.dump_dag_status();
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag1));
EXPECT_EQ(OB_SUCCESS, dag1->init(1));
dag1->set_priority(ObIDag::DAG_PRIO_MIGRATE_LOW);
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag1, inc_task));
EXPECT_EQ(OB_SUCCESS, inc_task->init(1, up_limit, op, 4 * sleep_slice));
EXPECT_EQ(OB_SUCCESS, dag1->add_task(*inc_task));
TestHPDag* dag2 = NULL;
AtomicMulTask* mul_task = NULL;
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag2));
EXPECT_EQ(OB_SUCCESS, dag2->init(2));
dag2->set_priority(ObIDag::DAG_PRIO_MIGRATE_HIGH);
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag2, mul_task));
EXPECT_EQ(OB_SUCCESS, mul_task->init(1, up_limit, op, 3 * sleep_slice));
EXPECT_EQ(OB_SUCCESS, dag2->add_task(*mul_task));
TestMPDag* dag3 = NULL;
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag3));
EXPECT_EQ(OB_SUCCESS, dag3->init(3));
dag3->set_priority(ObIDag::DAG_PRIO_MIGRATE_MID);
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag3, inc_task));
EXPECT_EQ(OB_SUCCESS, inc_task->init(1, up_limit, op, 2 * sleep_slice));
EXPECT_EQ(OB_SUCCESS, dag3->add_task(*inc_task));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag1));
CHECK_EQ_UTIL_TIMEOUT(up_limit, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_MIGRATE_LOW));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag2));
// high priority preempt quotas from low priority, low priority run at min thread
CHECK_EQ_UTIL_TIMEOUT(lp_min, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_MIGRATE_LOW));
EXPECT_EQ(up_limit - lp_min, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_MIGRATE_HIGH));
EXPECT_EQ(up_limit, scheduler.total_running_task_cnt_);
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag3));
CHECK_EQ_UTIL_TIMEOUT(lp_min, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_MIGRATE_LOW));
CHECK_EQ_UTIL_TIMEOUT(mp_min, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_MIGRATE_MID));
EXPECT_EQ(up_limit - lp_min - mp_min, scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_MIGRATE_HIGH));
EXPECT_EQ(up_limit, scheduler.total_running_task_cnt_);
wait_scheduler(scheduler);
}
TEST_F(TestDagScheduler, test_emergency_task)
{
ObDagScheduler& scheduler = ObDagScheduler::get_instance();
scheduler.destroy();
scheduler.init(ObAddr(1, 1), time_slice, 64);
AtomicOperator op(0);
EXPECT_EQ(OB_SUCCESS, scheduler.set_create_index_concurrency(1));
EXPECT_EQ(1, scheduler.up_limits_[ObIDag::DAG_ULT_CREATE_INDEX]);
TestLPDag* dag1 = NULL;
AtomicIncTask* inc_task = NULL;
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag1));
EXPECT_EQ(OB_SUCCESS, dag1->init(1));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag1, inc_task));
EXPECT_EQ(OB_SUCCESS, inc_task->init(1, 1, op, 4 * sleep_slice));
EXPECT_EQ(OB_SUCCESS, dag1->add_task(*inc_task));
TestLPDag* dag2 = NULL;
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag2));
EXPECT_EQ(OB_SUCCESS, dag2->init(2));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag2, inc_task));
EXPECT_EQ(OB_SUCCESS, inc_task->init(1, 1, op, sleep_slice));
EXPECT_EQ(OB_SUCCESS, dag2->add_task(*inc_task));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag1));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag2));
while (scheduler.get_running_task_cnt(ObIDag::DAG_PRIO_CREATE_INDEX) == 0) {
usleep(10);
}
TestLPDag* dag3 = NULL;
AtomicMulTask* mul_task = NULL;
EXPECT_EQ(OB_SUCCESS, scheduler.alloc_dag(dag3));
EXPECT_EQ(OB_SUCCESS, dag3->init(3));
EXPECT_EQ(OB_SUCCESS, alloc_task(*dag3, mul_task));
EXPECT_EQ(OB_SUCCESS, mul_task->init(1, 1, op, 0));
EXPECT_EQ(OB_SUCCESS, dag3->add_task(*mul_task));
EXPECT_EQ(OB_SUCCESS, scheduler.add_dag(dag3, true));
wait_scheduler(scheduler);
EXPECT_EQ(3, op.value());
}
} // namespace unittest
} // namespace oceanbase
void parse_cmd_arg(int argc, char** argv)
{
int opt = 0;
const char* opt_string = "p:s:l:";
struct option longopts[] = {{"dag cnt for performance test", 1, NULL, 'p'},
{"stress test time", 1, NULL, 's'},
{"log level", 1, NULL, 'l'},
{0, 0, 0, 0}};
while (-1 != (opt = getopt_long(argc, argv, opt_string, longopts, NULL))) {
switch (opt) {
case 'p':
dag_cnt = strtoll(optarg, NULL, 10);
break;
case 's':
stress_time = strtoll(optarg, NULL, 10);
break;
case 'l':
snprintf(log_level, 20, "%s", optarg);
break;
default:
break;
}
}
}
int main(int argc, char** argv)
{
::testing::InitGoogleTest(&argc, argv);
parse_cmd_arg(argc, argv);
OB_LOGGER.set_log_level(log_level);
OB_LOGGER.set_max_file_size(256 * 1024 * 1024);
// char filename[128];
// snprintf(filename, 128, "test_dag_scheduler.log");
system("rm -f test_dag_scheduler.log*");
OB_LOGGER.set_file_name("test_dag_scheduler.log");
return RUN_ALL_TESTS();
}
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