hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 2 Packages Projects Releases Wiki Activity

4.0 ls migration handler should make sure migration task finish before ls destroy

Browse Source
This commit is contained in:
godyangfight
2022-11-04 12:05:25 +00:00
committed by wangzelin.wzl
parent 00b7bf0483
commit 5c15eeccd8
19 changed files with 297 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
src/storage/high_availability/ob_ls_migration_handler.cpp
View File

@ -161,7 +161,8 @@ ObLSMigrationHandler::ObLSMigrationHandler()
task_list_(),
lock_(),
status_(ObLSMigrationHandlerStatus::INIT),
result_(OB_SUCCESS)
result_(OB_SUCCESS),
is_stop_(false)
{
}
@ -396,6 +397,9 @@ int ObLSMigrationHandler::add_ls_migration_task(
if (!task_list_.empty()) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("ls already has migration task", K(ret), K(task_list_), K(arg), K(task_id));
} else if (is_stop_) {
ret = OB_IN_STOP_STATE;
LOG_WARN("ls migration handler is int stop status", K(ret), K(task_id), K(arg));
} else {
ObLSMigrationTask task;
task.task_id_ = task_id;
@ -1152,5 +1156,50 @@ int ObLSMigrationHandler::get_ls_info_(
return ret;
}
void ObLSMigrationHandler::stop()
{
int ret = OB_SUCCESS;
ObTenantDagScheduler *scheduler = nullptr;
common::SpinWLockGuard guard(lock_);
is_stop_ = true;
result_ = OB_SUCCESS != result_ ? result_ : OB_IN_STOP_STATE;
if (task_list_.empty()) {
} else if (task_list_.count() > 1) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("ls migration task count is unexpected", K(ret), K(task_list_));
} else {
ObLSMigrationTask &task = task_list_.at(0);
if (OB_ISNULL(scheduler = MTL(ObTenantDagScheduler*))) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("failed to get ObTenantDagScheduler from MTL", K(ret), KPC(ls_));
} else if (OB_FAIL(scheduler->cancel_dag_net(task.task_id_))) {
LOG_ERROR("failed to cancel dag net", K(ret), K(task), KPC(ls_));
}
}
}
int ObLSMigrationHandler::safe_to_destroy(
bool &is_safe_to_destroy)
{
int ret = OB_SUCCESS;
is_safe_to_destroy = false;
ObLSMigrationTask task;
if (OB_FAIL(get_ls_migration_task_(task))) {
if (OB_ENTRY_NOT_EXIST == ret) {
ret = OB_SUCCESS;
is_safe_to_destroy = true;
} else {
LOG_WARN("failed to get ls migration task", K(ret), KPC(ls_));
}
} else {
is_safe_to_destroy = false;
wakeup_();
}
return ret;
}
}
}