github.com/whtcorpsinc/MilevaDB-Prod@v0.0.0-20211104133533-f57f4be3b597/soliton/disk/tracker.go (about)

     1  // Copyright 2020 WHTCORPS INC, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package disk
    15  
    16  import (
    17  	"github.com/whtcorpsinc/milevadb/soliton/memory"
    18  )
    19  
    20  // Tracker is used to track the disk usage during query execution.
    21  type Tracker = memory.Tracker
    22  
    23  // NewTracker creates a disk tracker.
    24  //	1. "label" is the label used in the usage string.
    25  //	2. "bytesLimit <= 0" means no limit.
    26  var NewTracker = memory.NewTracker
    27  
    28  // NewGlobalTrcaker creates a global disk tracker.
    29  var NewGlobalTrcaker = memory.NewGlobalTracker