github.com/pingcap/ticdc@v0.0.0-20220526033649-485a10ef2652/pkg/config/sorter.go (about)

     1  // Copyright 2020 PingCAP, 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 config
    15  
    16  // SorterConfig represents sorter config for a changefeed
    17  type SorterConfig struct {
    18  	// number of concurrent heap sorts
    19  	NumConcurrentWorker int `toml:"num-concurrent-worker" json:"num-concurrent-worker"`
    20  	// maximum size for a heap
    21  	ChunkSizeLimit uint64 `toml:"chunk-size-limit" json:"chunk-size-limit"`
    22  	// the maximum memory use percentage that allows in-memory sorting
    23  	MaxMemoryPressure int `toml:"max-memory-percentage" json:"max-memory-percentage"`
    24  	// the maximum memory consumption allowed for in-memory sorting
    25  	MaxMemoryConsumption uint64 `toml:"max-memory-consumption" json:"max-memory-consumption"`
    26  	// the size of workerpool
    27  	NumWorkerPoolGoroutine int `toml:"num-workerpool-goroutine" json:"num-workerpool-goroutine"`
    28  	// the directory used to store the temporary files generated by the sorter
    29  	SortDir string `toml:"sort-dir" json:"sort-dir"`
    30  }