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reduce unnecessary sys view recompile

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This commit is contained in:
18523270951@163.com
2024-03-28 03:46:16 +00:00
committed by ob-robot
parent 006fc03bf1
commit db972bbeeb
5 changed files with 78 additions and 4 deletions
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5
src/sql/executor/ob_maintain_dependency_info_task.h
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@ -90,11 +90,13 @@ class ObMaintainDepInfoTaskQueue: public share::ObAsyncTaskQueue
{
public:
static const int64_t INIT_BKT_SIZE = 512;
static const int64_t MAX_SYS_VIEW_SIZE = 65536;
constexpr static const double MAX_QUEUE_USAGE_RATIO = 0.8;
ObMaintainDepInfoTaskQueue() : last_execute_time_(0) {}
virtual ~ObMaintainDepInfoTaskQueue()
{
view_info_set_.destroy();
sys_view_consistent_.destroy();
}
int init(const int64_t thread_cnt, const int64_t queue_size);
virtual void run2() override;
@ -103,10 +105,13 @@ public:
{ last_execute_time_ = execute_time; }
int add_view_id_to_set(const uint64_t view_id) { return view_info_set_.set_refactored(view_id); }
int erase_view_id_from_set(const uint64_t view_id) { return view_info_set_.erase_refactored(view_id); }
int add_consistent_sys_view_id_to_set(const uint64_t tenant_id, const uint64_t view_id) { return sys_view_consistent_.set_refactored(std::make_pair(tenant_id, view_id)); }
int read_consistent_sys_view_from_set(const uint64_t tenant_id, const uint64_t view_id) { return sys_view_consistent_.exist_refactored(std::make_pair(tenant_id, view_id)); }
bool is_queue_almost_full() const { return queue_.size() > queue_.capacity() * MAX_QUEUE_USAGE_RATIO; }
private:
int64_t last_execute_time_;
common::hash::ObHashSet<uint64_t, common::hash::ReadWriteDefendMode> view_info_set_;
common::hash::ObHashSet<std::pair<uint64_t, uint64_t>, common::hash::ReadWriteDefendMode> sys_view_consistent_;
};
} // namespace sql