| /** |
| * 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. |
| */ |
| package org.apache.hadoop.hdfs.server.federation.metrics; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| |
| /** |
| * JMX interface for the RPC server. |
| * TODO use the default RPC MBean. |
| */ |
| @InterfaceAudience.Private |
| @InterfaceStability.Evolving |
| public interface FederationRPCMBean { |
| |
| long getProxyOps(); |
| |
| double getProxyAvg(); |
| |
| long getProcessingOps(); |
| |
| double getProcessingAvg(); |
| |
| long getProxyOpFailureCommunicate(); |
| |
| long getProxyOpFailureStandby(); |
| |
| long getProxyOpFailureClientOverloaded(); |
| |
| long getProxyOpNotImplemented(); |
| |
| long getProxyOpRetries(); |
| |
| long getRouterFailureStateStoreOps(); |
| |
| long getRouterFailureReadOnlyOps(); |
| |
| long getRouterFailureLockedOps(); |
| |
| long getRouterFailureSafemodeOps(); |
| |
| int getRpcServerCallQueue(); |
| |
| /** |
| * Get the number of RPC connections between the clients and the Router. |
| * @return Number of RPC connections between the clients and the Router. |
| */ |
| int getRpcServerNumOpenConnections(); |
| |
| /** |
| * Get the number of RPC connections between the Router and the NNs. |
| * @return Number of RPC connections between the Router and the NNs. |
| */ |
| int getRpcClientNumConnections(); |
| |
| /** |
| * Get the number of active RPC connections between the Router and the NNs. |
| * @return Number of active RPC connections between the Router and the NNs. |
| */ |
| int getRpcClientNumActiveConnections(); |
| |
| /** |
| * Get the number of RPC connections to be created. |
| * @return Number of RPC connections to be created. |
| */ |
| int getRpcClientNumCreatingConnections(); |
| |
| /** |
| * Get the number of connection pools between the Router and a NNs. |
| * @return Number of connection pools between the Router and a NNs. |
| */ |
| int getRpcClientNumConnectionPools(); |
| |
| /** |
| * JSON representation of the RPC connections from the Router to the NNs. |
| * @return JSON string representation. |
| */ |
| String getRpcClientConnections(); |
| } |