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HBASE-25791 UI of master-status to show a recent history of that why …
…balancer was rejected to run (#3278) Signed-off-by: Duo Zhang <[email protected]>
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hbase-server/src/main/resources/hbase-webapps/master/namedQueueLog.jsp
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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. | ||
| */ | ||
| --%> | ||
| <%@ page contentType="text/html;charset=UTF-8" | ||
| import="java.util.Date" | ||
| import="java.util.List" | ||
| import="org.apache.hadoop.conf.Configuration" | ||
| import="org.apache.hadoop.hbase.client.Admin" | ||
| import="org.apache.hadoop.hbase.client.SnapshotDescription" | ||
| import="org.apache.hadoop.hbase.http.InfoServer" | ||
| import="org.apache.hadoop.hbase.master.HMaster" | ||
| import="org.apache.hadoop.hbase.snapshot.SnapshotInfo" | ||
| import="org.apache.hadoop.util.StringUtils" | ||
| import="org.apache.hadoop.hbase.TableName" | ||
| import="org.apache.hadoop.hbase.client.ServerType" | ||
| import="org.apache.hadoop.hbase.client.LogEntry" | ||
| import="org.apache.hadoop.hbase.client.BalancerRejection" | ||
| %> | ||
| <% | ||
| HMaster master = (HMaster)getServletContext().getAttribute(HMaster.MASTER); | ||
| Configuration conf = master.getConfiguration(); | ||
| List<BalancerRejection> logList = null; | ||
| if(master.isInitialized()) { | ||
| try (Admin admin = master.getConnection().getAdmin()) { | ||
| logList = (List<BalancerRejection>)(List<?>)admin.getLogEntries(null, "BALANCER_REJECTION", ServerType.MASTER, 250, null); | ||
| } | ||
| } | ||
| %> | ||
|
|
||
| <jsp:include page="header.jsp"> | ||
| <jsp:param name="pageTitle" value="${pageTitle}"/> | ||
| </jsp:include> | ||
|
|
||
|
|
||
| <div class="container-fluid content"> | ||
| <div class="row"> | ||
| <div class="page-header"> | ||
| <h2>Named Queues</h2> | ||
| </div> | ||
| </div> | ||
| <div class="tabbable"> | ||
| <ul class="nav nav-pills"> | ||
| <li class="active"> | ||
| <a href="#tab_named_queue1" data-toggle="tab"> Balancer Rejection </a> | ||
| </li> | ||
| </ul> | ||
| <div class="tab-content" style="padding-bottom: 9px; border-bottom: 1px solid #ddd;"> | ||
| <div class="tab-pane active" id="tab_named_queue1"> | ||
| <table class="table table-striped"> | ||
| <tr> | ||
| <th>Reason</th> | ||
| <th>CostFunctions Details</th> | ||
| </tr> | ||
| <% if (logList == null) { %> | ||
| <% } else { %> | ||
| <% for (BalancerRejection entry: logList) { %> | ||
| <tr> | ||
| <td><%=entry.getReason()%></td> | ||
| <td> | ||
| <% List<String> costFunctions = entry.getCostFuncInfoList(); | ||
| if (costFunctions != null && !costFunctions.isEmpty()) { %> | ||
| <table> | ||
| <% for (String costFunctionInfo: entry.getCostFuncInfoList() ) { %> | ||
| <tr><td><%= costFunctionInfo %></td></tr> | ||
| <% }%> | ||
| </table> | ||
| <% } %> | ||
| </td> | ||
| </tr> | ||
| <% } %> | ||
| <% } %> | ||
| </table> | ||
| </div> | ||
| </div> | ||
| </div> | ||
| </div> | ||
| <jsp:include page="footer.jsp" /> |