ms upgrade

Author: mymeiyi

cloud/src/meta-service/meta_service.cpp

@@ -2318,6 +2318,16 @@ void MetaServiceImpl::get_delete_bitmap_update_lock(google::protobuf::RpcControl
                 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)) {