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// Copyright 2016 CoreOS, 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 clientv3
import (
pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
"golang.org/x/net/context"
)
type (
DefragmentResponse pb.DefragmentResponse
)
type Maintenance interface {
// Defragment defragments storage backend of the etcd member with given endpoint.
// Defragment is only needed when deleting a large number of keys and want to reclaim
// the resources.
// Defragment is an expensive operation. User should avoid defragmenting multiple members
// at the same time.
// To defragment multiple members in the cluster, user need to call defragment multiple
// times with different endpoints.
Defragment(ctx context.Context, endpoint string) (*DefragmentResponse, error)
}
type maintenance struct {
c *Client
}
func (m *maintenance) Defragment(ctx context.Context, endpoint string) (*DefragmentResponse, error) {
conn, err := m.c.Dial(endpoint)
if err != nil {
return nil, err
}
remote := pb.NewMaintenanceClient(conn)
resp, err := remote.Defragment(ctx, &pb.DefragmentRequest{})
if err != nil {
return nil, err
}
return (*DefragmentResponse)(resp), nil
}
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