// Copyright 2019 PingCAP, Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // See the License for the specific language governing permissions and // limitations under the License. package disk import ( "github.com/pingcap/tidb/util/memory" ) // Tracker is used to track the disk usage during query execution. type Tracker = memory.Tracker // NewTracker creates a disk tracker. // 1. "label" is the label used in the usage string. // 2. "bytesLimit <= 0" means no limit. var NewTracker = memory.NewTracker // NewGlobalTrcaker creates a global disk tracker. var NewGlobalTrcaker = memory.NewGlobalTracker