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R3704/hadoop-2.3.0-src/hadoop-common-project/hadoop-common/src/main/proto/ZKFCProtocol.proto
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ZKFCProtocol.proto
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/**
* 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.
*/
/**
* These .proto interfaces are private and stable.
* Please see http://wiki.apache.org/hadoop/Compatibility
* for what changes are allowed for a *stable* .proto interface.
*/
option java_package = "org.apache.hadoop.ha.proto";
option java_outer_classname = "ZKFCProtocolProtos";
option java_generic_services = true;
option java_generate_equals_and_hash = true;
package hadoop.common;
message CedeActiveRequestProto {
required uint32 millisToCede = 1;
}
message CedeActiveResponseProto {
}
message GracefulFailoverRequestProto {
}
message GracefulFailoverResponseProto {
}
/**
* Protocol provides manual control of the ZK Failover Controllers
*/
service ZKFCProtocolService {
/**
* Request that the service cede its active state, and quit the election
* for some amount of time
*/
rpc cedeActive(CedeActiveRequestProto)
returns(CedeActiveResponseProto);
rpc gracefulFailover(GracefulFailoverRequestProto)
returns(GracefulFailoverResponseProto);
}
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