74 lines
2.4 KiB
Protocol Buffer
74 lines
2.4 KiB
Protocol Buffer
|
/**
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
// 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;
|
||
|
|
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);
|
||
|
|
}
|