mirror of
https://github.com/minio/minio.git
synced 2024-12-26 23:25:54 -05:00
96c0ce1f0c
supports `mc admin config set <alias> heal sleep=100ms` to enable more aggressive healing under certain times. also optimize some areas that were doing extra checks than necessary when bitrotscan was enabled, avoid double sleeps make healing more predictable. fixes #10497
107 lines
2.8 KiB
Go
107 lines
2.8 KiB
Go
/*
|
|
* MinIO Cloud Storage, (C) 2020 MinIO, 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 heal
|
|
|
|
import (
|
|
"fmt"
|
|
"strconv"
|
|
"time"
|
|
|
|
"github.com/minio/minio/cmd/config"
|
|
"github.com/minio/minio/pkg/env"
|
|
)
|
|
|
|
// Compression environment variables
|
|
const (
|
|
Bitrot = "bitrotscan"
|
|
Sleep = "max_sleep"
|
|
IOCount = "max_io"
|
|
|
|
EnvBitrot = "MINIO_HEAL_BITROTSCAN"
|
|
EnvSleep = "MINIO_HEAL_MAX_SLEEP"
|
|
EnvIOCount = "MINIO_HEAL_MAX_IO"
|
|
)
|
|
|
|
// Config represents the heal settings.
|
|
type Config struct {
|
|
// Bitrot will perform bitrot scan on local disk when checking objects.
|
|
Bitrot bool `json:"bitrotscan"`
|
|
// maximum sleep duration between objects to slow down heal operation.
|
|
Sleep time.Duration `json:"sleep"`
|
|
IOCount int `json:"iocount"`
|
|
}
|
|
|
|
var (
|
|
// DefaultKVS - default KV config for heal settings
|
|
DefaultKVS = config.KVS{
|
|
config.KV{
|
|
Key: Bitrot,
|
|
Value: config.EnableOff,
|
|
},
|
|
config.KV{
|
|
Key: Sleep,
|
|
Value: "1s",
|
|
},
|
|
config.KV{
|
|
Key: IOCount,
|
|
Value: "10",
|
|
},
|
|
}
|
|
|
|
// Help provides help for config values
|
|
Help = config.HelpKVS{
|
|
config.HelpKV{
|
|
Key: Bitrot,
|
|
Description: `perform bitrot scan on disks when checking objects during crawl`,
|
|
Optional: true,
|
|
Type: "on|off",
|
|
},
|
|
config.HelpKV{
|
|
Key: Sleep,
|
|
Description: `maximum sleep duration between objects to slow down heal operation. eg. 2s`,
|
|
Optional: true,
|
|
Type: "duration",
|
|
},
|
|
config.HelpKV{
|
|
Key: IOCount,
|
|
Description: `maximum IO requests allowed between objects to slow down heal operation. eg. 3`,
|
|
Optional: true,
|
|
Type: "int",
|
|
},
|
|
}
|
|
)
|
|
|
|
// LookupConfig - lookup config and override with valid environment settings if any.
|
|
func LookupConfig(kvs config.KVS) (cfg Config, err error) {
|
|
if err = config.CheckValidKeys(config.HealSubSys, kvs, DefaultKVS); err != nil {
|
|
return cfg, err
|
|
}
|
|
cfg.Bitrot, err = config.ParseBool(env.Get(EnvBitrot, kvs.Get(Bitrot)))
|
|
if err != nil {
|
|
return cfg, fmt.Errorf("'heal:bitrotscan' value invalid: %w", err)
|
|
}
|
|
cfg.Sleep, err = time.ParseDuration(env.Get(EnvSleep, kvs.Get(Sleep)))
|
|
if err != nil {
|
|
return cfg, fmt.Errorf("'heal:max_sleep' value invalid: %w", err)
|
|
}
|
|
cfg.IOCount, err = strconv.Atoi(env.Get(EnvIOCount, kvs.Get(IOCount)))
|
|
if err != nil {
|
|
return cfg, fmt.Errorf("'heal:max_io' value invalid: %w", err)
|
|
}
|
|
return cfg, nil
|
|
}
|