github-actions[bot] commented on code in PR #28299:
URL: https://github.com/apache/doris/pull/28299#discussion_r1427539769
##########
be/src/olap/wal_manager.cpp:
##########
@@ -392,4 +416,80 @@ Status WalManager::get_wal_column_index(int64_t wal_id,
std::vector<size_t>& col
return Status::OK();
}
+Status WalManager::add_wal_cv_map(int64_t wal_id, std::shared_ptr<std::mutex>
lock,
+ std::shared_ptr<std::condition_variable> cv)
{
+ std::lock_guard<std::shared_mutex> wrlock(_wal_cv_lock);
+ auto it = _wal_lock_map.find(wal_id);
+ if (it != _wal_lock_map.end()) {
+ return Status::InternalError("wal {} is already in _wal_cv_map ",
wal_id);
+ }
+ _wal_lock_map.emplace(wal_id, lock);
+ _wal_cv_map.emplace(wal_id, cv);
+ LOG(INFO) << "add " << wal_id << " to _wal_cv_map";
+ return Status::OK();
+}
+Status WalManager::erase_wal_cv_map(int64_t wal_id) {
+ std::lock_guard<std::shared_mutex> wrlock(_wal_cv_lock);
+ if (_wal_lock_map.erase(wal_id) && _wal_cv_map.erase(wal_id)) {
+ LOG(INFO) << "erase " << wal_id << " from _wal_cv_map";
+ } else {
+ return Status::InternalError("fail to erase wal {} from wal_cv_map",
wal_id);
+ }
+ return Status::OK();
+}
+Status WalManager::wait_relay_wal_finish(int64_t wal_id) {
+ std::shared_ptr<std::mutex> lock = nullptr;
+ std::shared_ptr<std::condition_variable> cv = nullptr;
+ auto st = get_lock_and_cv(wal_id, lock, cv);
+ if (st.ok()) {
+ std::unique_lock l(*(lock));
+ LOG(INFO) << "start wait " << wal_id;
+ if (cv->wait_for(l, std::chrono::seconds(180)) ==
std::cv_status::timeout) {
+ LOG(WARNING) << "wait for " << wal_id << " is time out";
+ }
+ LOG(INFO) << "get wal " << wal_id << ",finish wait";
+ RETURN_IF_ERROR(erase_wal_cv_map(wal_id));
+ LOG(INFO) << "erase wal " << wal_id;
+ }
+ return Status::OK();
+}
+Status WalManager::notify(int64_t wal_id) {
+ std::shared_ptr<std::mutex> lock = nullptr;
+ std::shared_ptr<std::condition_variable> cv = nullptr;
+ auto st = get_lock_and_cv(wal_id, lock, cv);
+ if (st.ok()) {
+ std::unique_lock l(*(lock));
+ cv->notify_all();
+ LOG(INFO) << "get wal " << wal_id << ",notify all";
+ }
+ return Status::OK();
+}
+Status WalManager::get_lock_and_cv(int64_t wal_id,
std::shared_ptr<std::mutex>& lock,
+ std::shared_ptr<std::condition_variable>&
cv) {
+ std::lock_guard<std::shared_mutex> wrlock(_wal_cv_lock);
+ auto lock_it = _wal_lock_map.find(wal_id);
+ if (lock_it == _wal_lock_map.end()) {
+ return Status::InternalError("cannot find txn {} in wal_lock_map",
wal_id);
+ }
+ lock = lock_it->second;
+ auto cv_it = _wal_cv_map.find(wal_id);
+ if (cv_it == _wal_cv_map.end()) {
+ return Status::InternalError("cannot find txn {} in wal_cv_map",
wal_id);
+ }
+ cv = cv_it->second;
+ return Status::OK();
+}
+
+bool WalManager::find_wal_path(int64_t wal_id) {
+ std::shared_lock rdlock(_wal_lock);
+ auto it = _wal_path_map.find(wal_id);
+ if (it != _wal_path_map.end()) {
+ LOG(INFO) << "find wal path " << it->second;
+ return true;
Review Comment:
warning: redundant boolean literal in conditional return statement
[readability-simplify-boolean-expr]
be/src/olap/wal_manager.cpp:485:
```diff
- if (it != _wal_path_map.end()) {
- LOG(INFO) << "find wal path " << it->second;
- return true;
- } else {
- LOG(INFO) << "not find wal path for " << wal_id;
- return false;
- }
+ return it != _wal_path_map.end();
```
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