milvus/internal/datanode/io/binlog_io.go

81 lines
2.2 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 io
import (
"context"
"path"
"github.com/milvus-io/milvus/internal/storage"
"github.com/milvus-io/milvus/pkg/util/conc"
"github.com/milvus-io/milvus/pkg/util/retry"
)
type BinlogIO interface {
Download(ctx context.Context, paths []string) ([][]byte, error)
Upload(ctx context.Context, kvs map[string][]byte) error
// JoinFullPath returns the full path by join the paths with the chunkmanager's rootpath
JoinFullPath(paths ...string) string
}
type BinlogIoImpl struct {
storage.ChunkManager
pool *conc.Pool[any]
}
func NewBinlogIO(cm storage.ChunkManager, ioPool *conc.Pool[any]) BinlogIO {
return &BinlogIoImpl{cm, ioPool}
}
func (b *BinlogIoImpl) Download(ctx context.Context, paths []string) ([][]byte, error) {
future := b.pool.Submit(func() (any, error) {
var vs [][]byte
var err error
err = retry.Do(ctx, func() error {
vs, err = b.MultiRead(ctx, paths)
return err
})
return vs, err
})
vs, err := future.Await()
if err != nil {
return nil, err
}
return vs.([][]byte), nil
}
func (b *BinlogIoImpl) Upload(ctx context.Context, kvs map[string][]byte) error {
future := b.pool.Submit(func() (any, error) {
err := retry.Do(ctx, func() error {
return b.MultiWrite(ctx, kvs)
})
return nil, err
})
_, err := future.Await()
return err
}
func (b *BinlogIoImpl) JoinFullPath(paths ...string) string {
return path.Join(b.ChunkManager.RootPath(), path.Join(paths...))
}