mymeiyi commented on code in PR #48024:
URL: https://github.com/apache/doris/pull/48024#discussion_r1981138629
##########
cloud/src/meta-service/meta_service.cpp:
##########
@@ -2215,79 +2284,210 @@ void
MetaServiceImpl::get_delete_bitmap_update_lock(google::protobuf::RpcControl
LOG(INFO) << msg << ", cloud_unique_id=" << cloud_unique_id;
return;
}
-
- RPC_RATE_LIMIT(get_delete_bitmap_update_lock)
- std::unique_ptr<Transaction> txn;
- TxnErrorCode err = txn_kv_->create_txn(&txn);
- if (err != TxnErrorCode::TXN_OK) {
- code = cast_as<ErrCategory::CREATE>(err);
- msg = "failed to init txn";
- return;
- }
auto table_id = request->table_id();
std::string lock_key = meta_delete_bitmap_update_lock_key({instance_id,
table_id, -1});
- std::string lock_val;
- DeleteBitmapUpdateLockPB lock_info;
- err = txn->get(lock_key, &lock_val);
- if (err != TxnErrorCode::TXN_OK && err != TxnErrorCode::TXN_KEY_NOT_FOUND)
{
- ss << "failed to get delete bitmap update lock, instance_id=" <<
instance_id
- << " table_id=" << table_id << " key=" << hex(lock_key) << " err="
<< err;
- msg = ss.str();
- code = MetaServiceCode::KV_TXN_GET_ERR;
- return;
- }
- using namespace std::chrono;
- int64_t now =
duration_cast<seconds>(system_clock::now().time_since_epoch()).count();
- if (err == TxnErrorCode::TXN_OK) {
- if (!lock_info.ParseFromString(lock_val)) [[unlikely]] {
- code = MetaServiceCode::PROTOBUF_PARSE_ERR;
- msg = "failed to parse DeleteBitmapUpdateLockPB";
+ bool first_retry = true;
+ while (true) {
+ response->Clear();
+ std::unique_ptr<Transaction> txn;
+ TxnErrorCode err = txn_kv_->create_txn(&txn);
+ if (err != TxnErrorCode::TXN_OK) {
+ code = cast_as<ErrCategory::CREATE>(err);
+ msg = "failed to init txn";
return;
}
- if (lock_info.expiration() > 0 && lock_info.expiration() < now) {
- LOG(INFO) << "delete bitmap lock expired, continue to process.
lock_id="
- << lock_info.lock_id() << " table_id=" << table_id << "
now=" << now;
- lock_info.clear_initiators();
- } else if (lock_info.lock_id() != request->lock_id()) {
- ss << "already be locked. request lock_id=" << request->lock_id()
- << " locked by lock_id=" << lock_info.lock_id() << " table_id="
<< table_id
- << " now=" << now << " expiration=" << lock_info.expiration();
+ std::string lock_val;
+ DeleteBitmapUpdateLockPB lock_info;
+ err = txn->get(lock_key, &lock_val);
+ if (err != TxnErrorCode::TXN_OK && err !=
TxnErrorCode::TXN_KEY_NOT_FOUND) {
+ ss << "failed to get delete bitmap update lock, instance_id=" <<
instance_id
+ << " table_id=" << table_id << " key=" << hex(lock_key) << "
err=" << err;
msg = ss.str();
- code = MetaServiceCode::LOCK_CONFLICT;
+ code = MetaServiceCode::KV_TXN_GET_ERR;
return;
}
- }
+ using namespace std::chrono;
+ int64_t now =
duration_cast<seconds>(system_clock::now().time_since_epoch()).count();
+ int64_t expiration = now + request->expiration();
+ bool lock_key_not_found = false;
+ if (err == TxnErrorCode::TXN_KEY_NOT_FOUND) {
+ lock_key_not_found = true;
+ std::string current_lock_msg = "lock key not found";
+ lock_info.set_lock_id(request->lock_id());
+ if (request->lock_id() != COMPACTION_DELETE_BITMAP_LOCK_ID) {
+ lock_info.set_expiration(expiration);
+ lock_info.add_initiators(request->initiator());
+ } else {
+ // in normal case, this should remove 0 kvs
+ // but when upgrade ms, if there are ms with old and new
versions, it works
+ std::string tablet_compaction_key_begin =
+ mow_tablet_compaction_key({instance_id, table_id, 0});
+ std::string tablet_compaction_key_end =
+ mow_tablet_compaction_key({instance_id, table_id,
INT64_MAX});
+ txn->remove(tablet_compaction_key_begin,
tablet_compaction_key_end);
+ LOG(INFO) << "remove mow tablet compaction kv, begin="
+ << hex(tablet_compaction_key_begin)
+ << " end=" << hex(tablet_compaction_key_end) << "
table_id=" << table_id;
+ if (!put_mow_tablet_compaction_key(code, msg, txn,
instance_id, table_id,
+ request->lock_id(),
request->initiator(),
+ expiration,
current_lock_msg)) {
+ return;
+ }
+ }
+ if (!put_delete_bitmap_update_lock_key(code, msg, txn, table_id,
request->lock_id(),
+ request->initiator(),
lock_key, lock_info,
+ current_lock_msg)) {
+ return;
+ }
+ } else if (err == TxnErrorCode::TXN_OK) {
+ if (!lock_info.ParseFromString(lock_val)) [[unlikely]] {
+ code = MetaServiceCode::PROTOBUF_PARSE_ERR;
+ msg = "failed to parse DeleteBitmapUpdateLockPB";
+ return;
+ }
+ if (lock_info.lock_id() != COMPACTION_DELETE_BITMAP_LOCK_ID) {
+ if (lock_info.expiration() > 0 && lock_info.expiration() <
now) {
+ LOG(INFO) << "delete bitmap lock expired, continue to
process. lock_id="
+ << lock_info.lock_id() << " table_id=" <<
table_id
+ << " expiration=" << lock_info.expiration() << "
now=" << now
+ << " initiator_size=" <<
lock_info.initiators_size();
+ lock_info.clear_initiators();
+ lock_info.clear_expiration();
+ } else if (lock_info.lock_id() != request->lock_id()) {
+ ss << "already be locked by lock_id=" <<
lock_info.lock_id()
+ << " expiration=" << lock_info.expiration() << " now="
<< now
+ << ", request lock_id=" << request->lock_id() << "
table_id=" << table_id
+ << " initiator=" << request->initiator();
+ msg = ss.str();
+ code = MetaServiceCode::LOCK_CONFLICT;
+ return;
+ }
+ std::string current_lock_msg =
+ "original lock_id=" +
std::to_string(lock_info.lock_id());
+ lock_info.set_lock_id(request->lock_id());
+ if (request->lock_id() != COMPACTION_DELETE_BITMAP_LOCK_ID) {
+ lock_info.set_expiration(expiration);
+ bool found = false;
+ for (auto initiator : lock_info.initiators()) {
+ if (request->initiator() == initiator) {
+ found = true;
+ break;
+ }
+ }
+ if (!found) {
+ lock_info.add_initiators(request->initiator());
+ }
+ } else {
+ if (!put_mow_tablet_compaction_key(code, msg, txn,
instance_id, table_id,
+ request->lock_id(),
request->initiator(),
+ expiration,
current_lock_msg)) {
+ return;
+ }
+ }
+ if (!put_delete_bitmap_update_lock_key(code, msg, txn,
table_id, request->lock_id(),
+ request->initiator(),
lock_key, lock_info,
+ current_lock_msg)) {
+ return;
+ }
+ } else {
+ if (request->lock_id() == COMPACTION_DELETE_BITMAP_LOCK_ID) {
+ std::string current_lock_msg = "locked by lock_id=-1";
+ if (!put_mow_tablet_compaction_key(code, msg, txn,
instance_id, table_id,
+ request->lock_id(),
request->initiator(),
+ expiration,
current_lock_msg)) {
+ return;
+ }
+ } else {
+ // check if compaction key is expired
+ bool has_unexpired_compaction = false;
+ int64_t unexpired_expiration = 0;
+ std::string key0 = mow_tablet_compaction_key({instance_id,
table_id, 0});
+ std::string key1 = mow_tablet_compaction_key({instance_id,
table_id + 1, 0});
Review Comment:
the `encode_int64` promise it
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