Improve TQueue.
GitOrigin-RevId: 3146441d9035be886a616d8de504024df1602116
This commit is contained in:
levlam
parent
44155da2d8
commit
bee9b67e3c
@ -11,6 +11,7 @@
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#include "td/db/binlog/BinlogInterface.h"
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#include "td/utils/format.h"
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#include "td/utils/misc.h"
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#include "td/utils/port/Clocks.h"
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#include "td/utils/Random.h"
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#include "td/utils/StorerBase.h"
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@ -35,14 +36,18 @@ EventId::EventId() {
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}
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Result<EventId> EventId::from_int32(int32 id) {
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if (!is_valid(id)) {
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if (!is_valid_id(id)) {
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return Status::Error("Invalid ID");
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}
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return EventId(id);
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}
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EventId EventId::create_random() {
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return from_int32(Random::fast_uint32() % (MAX_ID / 2) + 10 + MAX_QUEUE_EVENTS).move_as_ok();
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return from_int32(Random::fast(MAX_QUEUE_EVENTS + 1, MAX_ID / 2)).move_as_ok();
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}
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bool EventId::is_valid() const {
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return !empty() && is_valid_id(id_);
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}
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int32 EventId::value() const {
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@ -74,34 +79,31 @@ bool EventId::operator<(const EventId &other) const {
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return id_ < other.id_;
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}
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StringBuilder &operator<<(StringBuilder &sb, const EventId id) {
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return sb << "EventId{" << id.value() << "}";
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StringBuilder &operator<<(StringBuilder &string_builder, const EventId id) {
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return string_builder << "EventId{" << id.value() << "}";
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}
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EventId::EventId(int32 id) : id_(id) {
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CHECK(is_valid(id));
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CHECK(is_valid_id(id));
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}
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bool EventId::is_valid(int32 id) {
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bool EventId::is_valid_id(int32 id) {
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return 0 <= id && id < MAX_ID;
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}
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class TQueueImpl : public TQueue {
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public:
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void set_callback(unique_ptr<Callback> callback) override {
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void set_callback(unique_ptr<StorageCallback> callback) override {
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callback_ = std::move(callback);
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}
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unique_ptr<Callback> extract_callback() override {
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unique_ptr<StorageCallback> extract_callback() override {
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return std::move(callback_);
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}
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void emulate_restart() override {
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}
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void do_push(QueueId queue_id, RawEvent &&raw_event) override {
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//LOG(ERROR) << "Push " << queue_id << " " << raw_event.event_id;
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CHECK(!raw_event.event_id.empty());
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if (raw_event.logevent_id == 0 && callback_) {
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// LOG(ERROR) << "Push to queue " << queue_id << " " << raw_event.event_id;
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CHECK(raw_event.event_id.is_valid());
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if (raw_event.logevent_id == 0 && callback_ != nullptr) {
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raw_event.logevent_id = callback_->push(queue_id, raw_event);
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}
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auto &q = queues_[queue_id];
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@ -128,11 +130,12 @@ class TQueueImpl : public TQueue {
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if (event_id.next().is_ok()) {
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break;
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}
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for (auto &e : q.events.as_mutable_span()) {
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try_pop(queue_id, e, EventId{}, EventId{}, 0, true);
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for (auto &event : q.events.as_mutable_span()) {
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pop(queue_id, event, {});
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}
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q.tail_id = {};
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q.tail_id = EventId();
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q.events = {};
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CHECK(new_id.next().is_ok());
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}
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RawEvent raw_event;
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@ -177,12 +180,12 @@ class TQueueImpl : public TQueue {
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if (it == from_events.end() || !(it->event_id == event_id)) {
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return;
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}
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try_pop(queue_id, *it, {}, q.tail_id, 0, true /*force*/);
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pop(queue_id, *it, q.tail_id);
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}
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Result<size_t> get(QueueId queue_id, EventId from_id, bool forget_previous, double now,
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MutableSpan<Event> &result_events) override {
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//LOG(ERROR) << "Get " << queue_id << " " << from_id;
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// LOG(ERROR) << "Get " << queue_id << " " << from_id;
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auto it = queues_.find(queue_id);
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if (it == queues_.end()) {
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result_events.truncate(0);
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@ -210,7 +213,7 @@ class TQueueImpl : public TQueue {
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[](auto &event, EventId event_id) { return event.event_id < event_id; }) -
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from_events.begin();
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}
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//LOG(ERROR) << tag("first_i", first_i) << tag("size", from_events.size());
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// LOG(ERROR) << tag("first_i", first_i) << tag("size", from_events.size());
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for (i = first_i; i < from_events.size(); i++) {
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auto &from = from_events[i];
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try_pop(queue_id, from, forget_previous ? from_id : EventId{}, q.tail_id, now);
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@ -265,7 +268,7 @@ class TQueueImpl : public TQueue {
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};
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std::unordered_map<QueueId, Queue> queues_;
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unique_ptr<Callback> callback_;
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unique_ptr<StorageCallback> callback_;
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void compactify(VectorQueue<RawEvent> &events, size_t prefix) {
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auto processed = events.as_mutable_span().substr(0, prefix);
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@ -274,24 +277,23 @@ class TQueueImpl : public TQueue {
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events.pop_n(removed_n);
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}
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void try_pop(QueueId queue_id, RawEvent &event, EventId from_id, EventId tail_id, double now, bool force = false) {
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//LOG(ERROR) << event.expires_at << " < " << now << " = " << (event.expires_at < now) << " "
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//<< (event.event_id.value() < from_id.value()) << " " << force << " " << event.data.empty();
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bool should_drop =
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event.expires_at < now || event.event_id.value() < from_id.value() || force || event.data.empty();
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if (!callback_ || event.logevent_id == 0) {
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if (should_drop) {
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void try_pop(QueueId queue_id, RawEvent &event, EventId from_id, EventId tail_id, double now) {
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// LOG(ERROR) << event.expires_at << " < " << now << " = " << (event.expires_at < now) << " "
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// << (event.event_id < from_id) << " " << event.data.empty();
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if (event.expires_at < now || event.event_id < from_id || event.data.empty()) {
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pop(queue_id, event, tail_id);
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}
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}
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void pop(QueueId queue_id, RawEvent &event, EventId tail_id) {
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if (callback_ == nullptr || event.logevent_id == 0) {
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event.logevent_id = 0;
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event.data = {};
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}
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return;
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}
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if (!should_drop) {
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return;
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}
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//LOG(ERROR) << "Drop " << queue_id << " " << event.event_id;
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if (event.event_id.value() + 1 == tail_id.value()) {
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// LOG(ERROR) << "Drop " << queue_id << " " << event.event_id;
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if (event.event_id.next().ok() == tail_id) {
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if (!event.data.empty()) {
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event.data = {};
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callback_->push(queue_id, event);
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@ -309,7 +311,6 @@ unique_ptr<TQueue> TQueue::create() {
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}
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struct TQueueLogEvent : public Storer {
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TQueueLogEvent() = default;
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int64 queue_id;
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int32 event_id;
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int32 expires_at;
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@ -30,6 +30,8 @@ class TQueue {
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static EventId create_random();
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bool is_valid() const;
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int32 value() const;
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Result<EventId> next() const;
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@ -47,7 +49,7 @@ class TQueue {
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explicit EventId(int32 id);
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static bool is_valid(int32 id);
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static bool is_valid_id(int32 id);
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};
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struct Event {
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@ -67,17 +69,17 @@ class TQueue {
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using QueueId = int64;
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class Callback {
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class StorageCallback {
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public:
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using QueueId = TQueue::QueueId;
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using RawEvent = TQueue::RawEvent;
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Callback() = default;
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Callback(const Callback &) = delete;
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Callback &operator=(const Callback &) = delete;
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Callback(Callback &&) = delete;
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Callback &operator=(Callback &&) = delete;
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virtual ~Callback() = default;
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StorageCallback() = default;
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StorageCallback(const StorageCallback &) = delete;
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StorageCallback &operator=(const StorageCallback &) = delete;
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StorageCallback(StorageCallback &&) = delete;
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StorageCallback &operator=(StorageCallback &&) = delete;
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virtual ~StorageCallback() = default;
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virtual uint64 push(QueueId queue_id, const RawEvent &event) = 0;
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virtual void pop(uint64 logevent_id) = 0;
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@ -93,10 +95,8 @@ class TQueue {
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virtual ~TQueue() = default;
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virtual void set_callback(unique_ptr<Callback> callback) = 0;
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virtual unique_ptr<Callback> extract_callback() = 0;
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virtual void emulate_restart() = 0; // for testing only
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virtual void set_callback(unique_ptr<StorageCallback> callback) = 0;
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virtual unique_ptr<StorageCallback> extract_callback() = 0;
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virtual void do_push(QueueId queue_id, RawEvent &&raw_event) = 0;
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@ -114,12 +114,12 @@ class TQueue {
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virtual void run_gc(double now) = 0;
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};
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StringBuilder &operator<<(StringBuilder &sb, const TQueue::EventId id);
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StringBuilder &operator<<(StringBuilder &string_builder, const TQueue::EventId id);
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struct BinlogEvent;
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template <class BinlogT>
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class TQueueBinlog : public TQueue::Callback {
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class TQueueBinlog : public TQueue::StorageCallback {
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public:
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TQueueBinlog();
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@ -137,7 +137,7 @@ class TQueueBinlog : public TQueue::Callback {
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double diff_{0};
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};
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class TQueueMemoryStorage : public TQueue::Callback {
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class TQueueMemoryStorage : public TQueue::StorageCallback {
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public:
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uint64 push(QueueId queue_id, const RawEvent &event) override;
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void pop(uint64 logevent_id) override;
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@ -60,7 +60,6 @@ class TestTQueue {
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}
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void restart(Random::Xorshift128plus &rnd, double now) {
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baseline_->emulate_restart();
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if (rnd.fast(0, 10) == 0) {
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baseline_->run_gc(now);
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}
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@ -75,11 +74,10 @@ class TestTQueue {
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}
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if (rnd.fast(0, 100) != 0) {
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binlog_->emulate_restart();
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return;
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}
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LOG(ERROR) << "RESTART BINLOG";
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LOG(INFO) << "Restart binlog";
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binlog_ = TQueue::create();
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auto tqueue_binlog = make_unique<TQueueBinlog<Binlog>>();
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auto binlog = std::make_shared<Binlog>();
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@ -179,7 +177,7 @@ TEST(TQueue, random) {
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q.check_get(next_qid(), rnd, now);
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};
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RandomSteps steps({{push_event, 100}, {check_head_tail, 10}, {get, 40}, {inc_now, 5}, {restart, 1}});
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for (int i = 0; i < 1000000; i++) {
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for (int i = 0; i < 100000; i++) {
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steps.step(rnd);
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}
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}
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