init push
This commit is contained in:
261
src/share/ob_ddl_task_executor.cpp
Normal file
261
src/share/ob_ddl_task_executor.cpp
Normal file
@ -0,0 +1,261 @@
|
||||
/**
|
||||
* 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 <sys/prctl.h>
|
||||
#include "ob_ddl_task_executor.h"
|
||||
#include "share/ob_thread_mgr.h"
|
||||
|
||||
using namespace oceanbase::share;
|
||||
using namespace oceanbase::common;
|
||||
|
||||
ObDDLTaskQueue::ObDDLTaskQueue() : task_list_(), task_set_(), lock_(), is_inited_(false), allocator_()
|
||||
{
|
||||
allocator_.set_label(common::ObModIds::OB_BUILD_INDEX_SCHEDULER);
|
||||
}
|
||||
|
||||
ObDDLTaskQueue::~ObDDLTaskQueue()
|
||||
{}
|
||||
|
||||
void ObDDLTaskQueue::destroy()
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
ObIDDLTask* task = NULL;
|
||||
common::ObSpinLockGuard guard(lock_);
|
||||
while (OB_SUCC(ret) && task_list_.get_size() > 0) {
|
||||
if (OB_ISNULL(task = task_list_.remove_first())) {
|
||||
ret = common::OB_ERR_UNEXPECTED;
|
||||
STORAGE_LOG(WARN, "fail to remove first task", K(ret));
|
||||
} else {
|
||||
allocator_.free(task);
|
||||
task = NULL;
|
||||
}
|
||||
}
|
||||
task_set_.destroy();
|
||||
allocator_.reset();
|
||||
is_inited_ = false;
|
||||
}
|
||||
|
||||
int ObDDLTaskQueue::init(
|
||||
const int64_t bucket_num, const int64_t total_mem_limit, const int64_t hold_mem_limit, const int64_t page_size)
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
common::ObSpinLockGuard guard(lock_);
|
||||
if (bucket_num <= 0 || total_mem_limit <= 0 || hold_mem_limit <= 0 || page_size <= 0) {
|
||||
ret = common::OB_INVALID_ARGUMENT;
|
||||
STORAGE_LOG(WARN, "invalid argument", K(ret), K(bucket_num), K(total_mem_limit), K(hold_mem_limit), K(page_size));
|
||||
} else if (OB_FAIL(task_set_.create(bucket_num))) {
|
||||
STORAGE_LOG(WARN, "fail to create task set", K(ret), K(bucket_num));
|
||||
} else if (OB_FAIL(allocator_.init(total_mem_limit, hold_mem_limit, page_size))) {
|
||||
STORAGE_LOG(WARN, "fail to init allocator", K(ret));
|
||||
} else {
|
||||
is_inited_ = true;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObDDLTaskQueue::push_task(const ObIDDLTask& task)
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
ObIDDLTask* task_copy = NULL;
|
||||
char* buf = NULL;
|
||||
bool task_add_to_list = false;
|
||||
common::ObSpinLockGuard guard(lock_);
|
||||
const int64_t deep_copy_size = task.get_deep_copy_size();
|
||||
if (OB_UNLIKELY(!is_inited_)) {
|
||||
ret = common::OB_NOT_INIT;
|
||||
STORAGE_LOG(WARN, "ObBuildIndexTaskQueue has not been inited", K(ret));
|
||||
} else if (OB_ISNULL(buf = static_cast<char*>(allocator_.alloc(deep_copy_size)))) {
|
||||
ret = common::OB_ALLOCATE_MEMORY_FAILED;
|
||||
STORAGE_LOG(WARN, "fail to allocate memory for ObBuildIndexTask", K(ret));
|
||||
} else if (OB_ISNULL(task_copy = task.deep_copy(buf, deep_copy_size))) {
|
||||
ret = common::OB_ALLOCATE_MEMORY_FAILED;
|
||||
STORAGE_LOG(WARN, "fail to deep copy task", K(ret));
|
||||
} else if (!task_list_.add_last(task_copy)) {
|
||||
ret = common::OB_ERR_UNEXPECTED;
|
||||
STORAGE_LOG(ERROR, "unexpected error, add build index task failed", K(ret));
|
||||
} else {
|
||||
int is_overwrite = 0; // do not overwrite
|
||||
task_add_to_list = true;
|
||||
if (OB_FAIL(task_set_.set_refactored(task_copy, is_overwrite))) {
|
||||
if (common::OB_HASH_EXIST == ret) {
|
||||
ret = common::OB_ENTRY_EXIST;
|
||||
} else {
|
||||
STORAGE_LOG(WARN, "fail to set task to task set", K(ret));
|
||||
}
|
||||
} else {
|
||||
STORAGE_LOG(INFO, "add task", K(*task_copy), KP(task_copy), K(common::lbt()));
|
||||
}
|
||||
}
|
||||
if (OB_FAIL(ret) && NULL != buf) {
|
||||
if (task_add_to_list) {
|
||||
int tmp_ret = OB_SUCCESS;
|
||||
if (!task_list_.remove(task_copy)) {
|
||||
tmp_ret = common::OB_ERR_UNEXPECTED;
|
||||
STORAGE_LOG(WARN, "fail to remove task", K(tmp_ret), K(*task_copy));
|
||||
}
|
||||
}
|
||||
allocator_.free(buf);
|
||||
buf = NULL;
|
||||
task_copy = NULL;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObDDLTaskQueue::get_next_task(ObIDDLTask*& task)
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
common::ObSpinLockGuard guard(lock_);
|
||||
if (OB_UNLIKELY(!is_inited_)) {
|
||||
ret = common::OB_NOT_INIT;
|
||||
STORAGE_LOG(WARN, "ObBuildIndexTaskQueue has not been inited", K(ret));
|
||||
} else if (0 == task_list_.get_size()) {
|
||||
ret = common::OB_EAGAIN;
|
||||
} else if (OB_ISNULL(task = task_list_.remove_first())) {
|
||||
ret = common::OB_ERR_UNEXPECTED;
|
||||
STORAGE_LOG(WARN, "error unexpected, task must not be NULL", K(ret));
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObDDLTaskQueue::remove_task(ObIDDLTask* task)
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
common::ObSpinLockGuard guard(lock_);
|
||||
if (OB_UNLIKELY(!is_inited_)) {
|
||||
ret = common::OB_NOT_INIT;
|
||||
STORAGE_LOG(WARN, "ObBuildIndexTaskQueue has not been inited", K(ret));
|
||||
} else if (OB_ISNULL(task)) {
|
||||
ret = common::OB_INVALID_ARGUMENT;
|
||||
STORAGE_LOG(WARN, "invalid argument", K(ret), KP(task));
|
||||
} else if (OB_FAIL(task_set_.erase_refactored(task))) {
|
||||
STORAGE_LOG(WARN, "fail to erase from task set", K(ret));
|
||||
} else {
|
||||
STORAGE_LOG(INFO, "succ to remove task", K(*task), KP(task));
|
||||
}
|
||||
if (NULL != task) {
|
||||
allocator_.free(task);
|
||||
task = NULL;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObDDLTaskQueue::add_task_to_last(ObIDDLTask* task)
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
common::ObSpinLockGuard guard(lock_);
|
||||
if (OB_UNLIKELY(!is_inited_)) {
|
||||
ret = common::OB_NOT_INIT;
|
||||
STORAGE_LOG(WARN, "ObBuildIndexTaskQueue has not been inited", K(ret));
|
||||
} else if (OB_ISNULL(task)) {
|
||||
ret = common::OB_INVALID_ARGUMENT;
|
||||
STORAGE_LOG(WARN, "invalid argument", K(ret), KP(task));
|
||||
} else if (!task_list_.add_last(task)) {
|
||||
ret = common::OB_ERR_UNEXPECTED;
|
||||
STORAGE_LOG(ERROR, "error unexpected, fail to move task to last", K(ret));
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
ObDDLTaskExecutor::ObDDLTaskExecutor() : is_inited_(false), task_queue_(), cond_(), tg_id_(-1)
|
||||
{}
|
||||
|
||||
ObDDLTaskExecutor::~ObDDLTaskExecutor()
|
||||
{}
|
||||
|
||||
void ObDDLTaskExecutor::stop()
|
||||
{
|
||||
TG_STOP(tg_id_);
|
||||
}
|
||||
|
||||
void ObDDLTaskExecutor::wait()
|
||||
{
|
||||
TG_WAIT(tg_id_);
|
||||
}
|
||||
|
||||
void ObDDLTaskExecutor::destroy()
|
||||
{
|
||||
TG_DESTROY(tg_id_);
|
||||
task_queue_.destroy();
|
||||
is_inited_ = false;
|
||||
cond_.destroy();
|
||||
}
|
||||
|
||||
int ObDDLTaskExecutor::init(const int64_t task_num, int tg_id)
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
if (OB_UNLIKELY(is_inited_)) {
|
||||
ret = common::OB_NOT_INIT;
|
||||
STORAGE_LOG(WARN, "ObDDLTaskExecutor has already been inited", K(ret));
|
||||
} else if (OB_UNLIKELY(task_num <= 0)) {
|
||||
ret = common::OB_INVALID_ARGUMENT;
|
||||
STORAGE_LOG(WARN, "invalid argument", K(ret), K(task_num));
|
||||
} else if (OB_FAIL(task_queue_.init(task_num, TOTAL_LIMIT, HOLD_LIMIT, PAGE_SIZE))) {
|
||||
STORAGE_LOG(WARN, "fail to init task queue", K(ret));
|
||||
} else if (OB_FAIL(cond_.init(common::ObWaitEventIds::BUILD_INDEX_SCHEDULER_COND_WAIT))) {
|
||||
STORAGE_LOG(WARN, "fail to init thread cond", K(ret));
|
||||
} else {
|
||||
tg_id_ = tg_id;
|
||||
if (OB_FAIL(TG_SET_RUNNABLE_AND_START(tg_id_, *this))) {
|
||||
STORAGE_LOG(WARN, "fail to set tg id", K(ret));
|
||||
} else {
|
||||
is_inited_ = true;
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
void ObDDLTaskExecutor::run1()
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
int64_t executed_task_count = 0;
|
||||
ObIDDLTask* task = NULL;
|
||||
ObIDDLTask* first_retry_task = NULL;
|
||||
(void)prctl(PR_SET_NAME, "DDLTaskExecutor", 0, 0, 0);
|
||||
while (!has_set_stop()) {
|
||||
while (!has_set_stop() && executed_task_count < BATCH_EXECUTE_COUNT) {
|
||||
if (OB_FAIL(task_queue_.get_next_task(task))) {
|
||||
if (common::OB_EAGAIN == ret) {
|
||||
break;
|
||||
} else {
|
||||
STORAGE_LOG(WARN, "fail to get next task", K(ret));
|
||||
break;
|
||||
}
|
||||
} else if (OB_ISNULL(task)) {
|
||||
STORAGE_LOG(WARN, "error unexpected, task must not be NULL", K(ret));
|
||||
} else if (task == first_retry_task) {
|
||||
// add the task back to the queue
|
||||
if (OB_FAIL(task_queue_.add_task_to_last(task))) {
|
||||
STORAGE_LOG(ERROR, "fail to add task to last, which should not happen", K(ret), K(*task));
|
||||
}
|
||||
break;
|
||||
} else {
|
||||
task->process();
|
||||
++executed_task_count;
|
||||
if (task->need_retry()) {
|
||||
if (OB_FAIL(task_queue_.add_task_to_last(task))) {
|
||||
STORAGE_LOG(ERROR, "fail to add task to last, which should not happen", K(ret), K(*task));
|
||||
}
|
||||
first_retry_task = task;
|
||||
} else {
|
||||
if (OB_FAIL(task_queue_.remove_task(task))) {
|
||||
STORAGE_LOG(WARN, "fail to remove task, which should not happen", K(ret), K(*task), KP(task));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
cond_.lock();
|
||||
cond_.wait(CHECK_TASK_INTERVAL);
|
||||
cond_.unlock();
|
||||
executed_task_count = 0;
|
||||
first_retry_task = NULL;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user