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| <pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.master;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.metrics.BaseSource;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.metrics.OperationMetrics;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span><a name="line.24"></a> |
| <span class="sourceLineNo">025</span>/**<a name="line.25"></a> |
| <span class="sourceLineNo">026</span> * Interface that classes that expose metrics about the master will implement.<a name="line.26"></a> |
| <span class="sourceLineNo">027</span> */<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>@InterfaceAudience.Private<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>public interface MetricsMasterSource extends BaseSource {<a name="line.29"></a> |
| <span class="sourceLineNo">030</span><a name="line.30"></a> |
| <span class="sourceLineNo">031</span> /**<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> * The name of the metrics<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> */<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> String METRICS_NAME = "Server";<a name="line.34"></a> |
| <span class="sourceLineNo">035</span><a name="line.35"></a> |
| <span class="sourceLineNo">036</span> /**<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * The context metrics will be under.<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> */<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> String METRICS_CONTEXT = "master";<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span> /**<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * The name of the metrics context that metrics will be under in jmx<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> */<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> String METRICS_JMX_CONTEXT = "Master,sub=" + METRICS_NAME;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span><a name="line.45"></a> |
| <span class="sourceLineNo">046</span> /**<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * Description<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> */<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> String METRICS_DESCRIPTION = "Metrics about HBase master server";<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span> // Strings used for exporting to metrics system.<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> String MASTER_ACTIVE_TIME_NAME = "masterActiveTime";<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> String MASTER_START_TIME_NAME = "masterStartTime";<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> String MASTER_FINISHED_INITIALIZATION_TIME_NAME = "masterFinishedInitializationTime";<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> String AVERAGE_LOAD_NAME = "averageLoad";<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> String LIVE_REGION_SERVERS_NAME = "liveRegionServers";<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> String DEAD_REGION_SERVERS_NAME = "deadRegionServers";<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> String NUM_REGION_SERVERS_NAME = "numRegionServers";<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> String NUM_DEAD_REGION_SERVERS_NAME = "numDeadRegionServers";<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> String ZOOKEEPER_QUORUM_NAME = "zookeeperQuorum";<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> String SERVER_NAME_NAME = "serverName";<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> String CLUSTER_ID_NAME = "clusterId";<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> String IS_ACTIVE_MASTER_NAME = "isActiveMaster";<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> String SPLIT_PLAN_COUNT_NAME = "splitPlanCount";<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> String MERGE_PLAN_COUNT_NAME = "mergePlanCount";<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> String ONLINE_REGION_COUNT_NAME = "onlineRegionCount";<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> String OFFLINE_REGION_COUNT_NAME = "offlineRegionCount";<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> String CLUSTER_REQUESTS_NAME = "clusterRequests";<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> String MASTER_ACTIVE_TIME_DESC = "Master Active Time";<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> String MASTER_START_TIME_DESC = "Master Start Time";<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> String MASTER_FINISHED_INITIALIZATION_TIME_DESC =<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> "Timestamp when Master has finished initializing";<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> String AVERAGE_LOAD_DESC = "AverageLoad";<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> String LIVE_REGION_SERVERS_DESC = "Names of live RegionServers";<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> String NUMBER_OF_REGION_SERVERS_DESC = "Number of RegionServers";<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> String DEAD_REGION_SERVERS_DESC = "Names of dead RegionServers";<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> String NUMBER_OF_DEAD_REGION_SERVERS_DESC = "Number of dead RegionServers";<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> String ZOOKEEPER_QUORUM_DESC = "ZooKeeper Quorum";<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> String SERVER_NAME_DESC = "Server Name";<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> String CLUSTER_ID_DESC = "Cluster Id";<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> String IS_ACTIVE_MASTER_DESC = "Is Active Master";<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> String SPLIT_PLAN_COUNT_DESC = "Number of Region Split Plans executed";<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> String MERGE_PLAN_COUNT_DESC = "Number of Region Merge Plans executed";<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> String ONLINE_REGION_COUNT_DESC = "Number of Online Regions";<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> String OFFLINE_REGION_COUNT_DESC = "Number of Offline Regions";<a name="line.86"></a> |
| <span class="sourceLineNo">087</span><a name="line.87"></a> |
| <span class="sourceLineNo">088</span> String SERVER_CRASH_METRIC_PREFIX = "serverCrash";<a name="line.88"></a> |
| <span class="sourceLineNo">089</span><a name="line.89"></a> |
| <span class="sourceLineNo">090</span> /**<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> * Increment the number of requests the cluster has seen.<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> *<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> * @param inc Ammount to increment the total by.<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> */<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> void incRequests(final long inc);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span><a name="line.96"></a> |
| <span class="sourceLineNo">097</span> /**<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> * @return {@link OperationMetrics} containing common metrics for server crash operation<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> */<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> OperationMetrics getServerCrashMetrics();<a name="line.100"></a> |
| <span class="sourceLineNo">101</span>}<a name="line.101"></a> |
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