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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/**
* Licensed to the Apache Software Foundation (ASF) 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.
*/
syntax="proto2";
// This file contains protocol buffers that are used to reconfigure NameNode
// and DataNode by HDFS admin.
option java_package = "org.apache.hadoop.hdfs.protocol.proto";
option java_outer_classname = "ReconfigurationProtocolProtos";
option java_generic_services = true;
option java_generate_equals_and_hash = true;
option go_package = "github.com/colinmarc/hdfs/v2/internal/protocol/hadoop_hdfs";
package hadoop.hdfs;
/** Asks NN/DN to reload configuration file. */
message StartReconfigurationRequestProto {
}
message StartReconfigurationResponseProto {
}
/** Query the running status of reconfiguration process */
message GetReconfigurationStatusRequestProto {
}
message GetReconfigurationStatusConfigChangeProto {
required string name = 1;
required string oldValue = 2;
optional string newValue = 3;
optional string errorMessage = 4; // It is empty if success.
}
message GetReconfigurationStatusResponseProto {
required int64 startTime = 1;
optional int64 endTime = 2;
repeated GetReconfigurationStatusConfigChangeProto changes = 3;
}
/** Query the reconfigurable properties on NN/DN. */
message ListReconfigurablePropertiesRequestProto {
}
message ListReconfigurablePropertiesResponseProto {
repeated string name = 1;
}
/**
* Protocol used from client to the NN/DN.
* See the request and response for details of rpc call.
*/
service ReconfigurationProtocolService {
rpc getReconfigurationStatus(GetReconfigurationStatusRequestProto)
returns(GetReconfigurationStatusResponseProto);
rpc startReconfiguration(StartReconfigurationRequestProto)
returns(StartReconfigurationResponseProto);
rpc listReconfigurableProperties(
ListReconfigurablePropertiesRequestProto)
returns(ListReconfigurablePropertiesResponseProto);
}
|
