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fix(Core/Travel): Chunk all saveNodeStore phases (deletes, nodes, links)

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bash 2026-05-17 13:05:33 +02:00
parent f0ec70c3ea
commit 8bc988d731
1 changed files with 69 additions and 43 deletions
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112
src/Mgr/Travel/TravelNode.cpp
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@ -2018,70 +2018,96 @@ void TravelNodeMap::saveNodeStore()
hasToSave = false;
// Phase 1: deletes + nodes + links in a single transaction. ~4400
// nodes + ~18000 links = ~22000 prepared statements, comfortably
// within MySQL transaction limits.
PlayerbotsDatabaseTransaction trans = PlayerbotsDatabase.BeginTransaction();
constexpr uint32 STMTS_PER_TX = 500; // bounded transaction size
trans->Append(PlayerbotsDatabase.GetPreparedStatement(PLAYERBOTS_DEL_TRAVELNODE));
trans->Append(PlayerbotsDatabase.GetPreparedStatement(PLAYERBOTS_DEL_TRAVELNODE_LINK));
trans->Append(PlayerbotsDatabase.GetPreparedStatement(PLAYERBOTS_DEL_TRAVELNODE_PATH));
// Phase 1: deletes in their own transaction.
{
PlayerbotsDatabaseTransaction delTrans = PlayerbotsDatabase.BeginTransaction();
delTrans->Append(PlayerbotsDatabase.GetPreparedStatement(PLAYERBOTS_DEL_TRAVELNODE));
delTrans->Append(PlayerbotsDatabase.GetPreparedStatement(PLAYERBOTS_DEL_TRAVELNODE_LINK));
delTrans->Append(PlayerbotsDatabase.GetPreparedStatement(PLAYERBOTS_DEL_TRAVELNODE_PATH));
PlayerbotsDatabase.CommitTransaction(delTrans);
}
std::unordered_map<TravelNode*, uint32> saveNodes;
std::vector<TravelNode*> anodes = TravelNodeMap::instance().getNodes();
for (uint32 i = 0; i < anodes.size(); i++)
// Phase 2: node inserts, chunked at STMTS_PER_TX per transaction.
{
TravelNode* node = anodes[i];
PlayerbotsDatabaseTransaction nodeTrans = PlayerbotsDatabase.BeginTransaction();
uint32 inTx = 0;
for (uint32 i = 0; i < anodes.size(); i++)
{
TravelNode* node = anodes[i];
std::string name = node->getName();
name.erase(remove(name.begin(), name.end(), '\''), name.end());
std::string name = node->getName();
name.erase(remove(name.begin(), name.end(), '\''), name.end());
PlayerbotsDatabasePreparedStatement* stmt = PlayerbotsDatabase.GetPreparedStatement(PLAYERBOTS_INS_TRAVELNODE);
stmt->SetData(0, i);
stmt->SetData(1, name);
stmt->SetData(2, node->GetMapId());
stmt->SetData(3, node->getX());
stmt->SetData(4, node->getY());
stmt->SetData(5, node->getZ());
stmt->SetData(6, node->isLinked());
trans->Append(stmt);
PlayerbotsDatabasePreparedStatement* stmt = PlayerbotsDatabase.GetPreparedStatement(PLAYERBOTS_INS_TRAVELNODE);
stmt->SetData(0, i);
stmt->SetData(1, name);
stmt->SetData(2, node->GetMapId());
stmt->SetData(3, node->getX());
stmt->SetData(4, node->getY());
stmt->SetData(5, node->getZ());
stmt->SetData(6, node->isLinked());
nodeTrans->Append(stmt);
saveNodes.insert(std::make_pair(node, i));
saveNodes.insert(std::make_pair(node, i));
if (++inTx >= STMTS_PER_TX)
{
PlayerbotsDatabase.CommitTransaction(nodeTrans);
nodeTrans = PlayerbotsDatabase.BeginTransaction();
inTx = 0;
}
}
PlayerbotsDatabase.CommitTransaction(nodeTrans);
}
LOG_INFO("playerbots", ">> Saved {} travelNodes.", anodes.size());
// Phase 3: link inserts, chunked at STMTS_PER_TX per transaction.
uint32 paths = 0;
for (uint32 i = 0; i < anodes.size(); i++)
{
TravelNode* node = anodes[i];
for (auto& link : *node->getLinks())
PlayerbotsDatabaseTransaction linkTrans = PlayerbotsDatabase.BeginTransaction();
uint32 inTx = 0;
for (uint32 i = 0; i < anodes.size(); i++)
{
TravelNodePath* path = link.second;
TravelNode* node = anodes[i];
PlayerbotsDatabasePreparedStatement* stmt =
PlayerbotsDatabase.GetPreparedStatement(PLAYERBOTS_INS_TRAVELNODE_LINK);
stmt->SetData(0, i);
stmt->SetData(1, saveNodes.find(link.first)->second);
stmt->SetData(2, static_cast<uint8>(path->getPathType()));
stmt->SetData(3, path->getPathObject());
stmt->SetData(4, path->getDistance());
stmt->SetData(5, path->getSwimDistance());
stmt->SetData(6, path->getExtraCost());
stmt->SetData(7, path->getCalculated());
stmt->SetData(8, path->getMaxLevelCreature()[0]);
stmt->SetData(9, path->getMaxLevelCreature()[1]);
stmt->SetData(10, path->getMaxLevelCreature()[2]);
trans->Append(stmt);
for (auto& link : *node->getLinks())
{
TravelNodePath* path = link.second;
paths++;
PlayerbotsDatabasePreparedStatement* stmt =
PlayerbotsDatabase.GetPreparedStatement(PLAYERBOTS_INS_TRAVELNODE_LINK);
stmt->SetData(0, i);
stmt->SetData(1, saveNodes.find(link.first)->second);
stmt->SetData(2, static_cast<uint8>(path->getPathType()));
stmt->SetData(3, path->getPathObject());
stmt->SetData(4, path->getDistance());
stmt->SetData(5, path->getSwimDistance());
stmt->SetData(6, path->getExtraCost());
stmt->SetData(7, path->getCalculated());
stmt->SetData(8, path->getMaxLevelCreature()[0]);
stmt->SetData(9, path->getMaxLevelCreature()[1]);
stmt->SetData(10, path->getMaxLevelCreature()[2]);
linkTrans->Append(stmt);
paths++;
if (++inTx >= STMTS_PER_TX)
{
PlayerbotsDatabase.CommitTransaction(linkTrans);
linkTrans = PlayerbotsDatabase.BeginTransaction();
inTx = 0;
}
}
}
PlayerbotsDatabase.CommitTransaction(linkTrans);
}
PlayerbotsDatabase.CommitTransaction(trans);
// Phase 2: path points in chunked transactions. Previously all
// ~1.5M point inserts went into a single mega-transaction which
// exceeded MySQL's packet/transaction limits and partial-committed,