tidb const 源码
tidb const 代码
文件路径：/br/pkg/lightning/config/const.go
// 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,
// 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 config
import (
"github.com/docker/go-units"
)
const (
// mydumper
ReadBlockSize ByteSize = 64 * units.KiB
MaxRegionSize ByteSize = 256 * units.MiB
// See: https://github.com/tikv/tikv/blob/e030a0aae9622f3774df89c62f21b2171a72a69e/etc/config-template.toml#L360
// lower the max-key-count to avoid tikv trigger region auto split
SplitRegionSize ByteSize = 96 * units.MiB
SplitRegionKeys int = 1_280_000
MaxSplitRegionSizeRatio int = 10
BufferSizeScale = 5
defaultMaxAllowedPacket = 64 * units.MiB
DefaultBatchSize ByteSize = 100 * units.GiB
)
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