forked from pingcap/tidb
-
Notifications
You must be signed in to change notification settings - Fork 0
/
scheduler.go
36 lines (31 loc) · 1.04 KB
/
scheduler.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
// Copyright 2022 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,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package scheduler
import (
"github.com/pingcap/tidb/resourcemanager/util"
)
// Command is the command for scheduler
type Command int
const (
// Downclock is to reduce the number of concurrency.
Downclock Command = iota
// Hold is to hold the number of concurrency.
Hold
// Overclock is to increase the number of concurrency.
Overclock
)
// Scheduler is a scheduler interface
type Scheduler interface {
Tune(component util.Component, p util.GorotinuePool) Command
}