hbase-server/src/main/resources/hbase-webapps/master/table.jsp

   1 <%--
   2 /**
   3  * Licensed to the Apache Software Foundation (ASF) under one
   4  * or more contributor license agreements.  See the NOTICE file
   5  * distributed with this work for additional information
   6  * regarding copyright ownership.  The ASF licenses this file
   7  * to you under the Apache License, Version 2.0 (the
   8  * "License"); you may not use this file except in compliance
   9  * with the License.  You may obtain a copy of the License at
  10  *
  11  *     http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  */
  19 --%>
  20 <%@page import="java.net.URLEncoder"%>
  21 <%@ page contentType="text/html;charset=UTF-8"
  22   import="static org.apache.commons.lang3.StringEscapeUtils.escapeXml"
  23   import="java.util.ArrayList"
  24   import="java.util.Collection"
  25   import="java.util.Collections"
  26   import="java.util.HashMap"
  27   import="java.util.LinkedHashMap"
  28   import="java.util.List"
  29   import="java.util.Map"
  30   import="java.util.Objects"
  31   import="java.util.TreeMap"
  32   import="org.apache.commons.lang3.StringEscapeUtils"
  33   import="org.apache.hadoop.conf.Configuration"
  34   import="org.apache.hadoop.hbase.HColumnDescriptor"
  35   import="org.apache.hadoop.hbase.HConstants"
  36   import="org.apache.hadoop.hbase.HRegionLocation"
  37   import="org.apache.hadoop.hbase.ServerName"
  38   import="org.apache.hadoop.hbase.TableName"
  39   import="org.apache.hadoop.hbase.TableNotFoundException"
  40   import="org.apache.hadoop.hbase.client.Admin"
  41   import="org.apache.hadoop.hbase.client.CompactionState"
  42   import="org.apache.hadoop.hbase.client.RegionInfo"
  43   import="org.apache.hadoop.hbase.client.RegionInfoBuilder"
  44   import="org.apache.hadoop.hbase.client.RegionLocator"
  45   import="org.apache.hadoop.hbase.client.RegionReplicaUtil"
  46   import="org.apache.hadoop.hbase.client.Table"
  47   import="org.apache.hadoop.hbase.master.HMaster"
  48   import="org.apache.hadoop.hbase.master.assignment.RegionStates"
  49   import="org.apache.hadoop.hbase.master.RegionState"
  50   import="org.apache.hadoop.hbase.quotas.QuotaTableUtil"
  51   import="org.apache.hadoop.hbase.quotas.SpaceQuotaSnapshot"
  52   import="org.apache.hadoop.hbase.util.Bytes"
  53   import="org.apache.hadoop.hbase.util.FSUtils"
  54   import="org.apache.hadoop.hbase.zookeeper.MetaTableLocator"
  55   import="org.apache.hadoop.util.StringUtils"
  56   import="org.apache.hbase.thirdparty.com.google.protobuf.ByteString"%>
  57 <%@ page import="org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos" %>
  58 <%@ page import="org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos" %>
  59 <%@ page import="org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.Quotas" %>
  60 <%@ page import="org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.SpaceQuota" %>
  61 <%@ page import="org.apache.hadoop.hbase.ServerMetrics" %>
  62 <%@ page import="org.apache.hadoop.hbase.RegionMetrics" %>
  63 <%@ page import="org.apache.hadoop.hbase.Size" %>
  64 <%@ page import="org.apache.hadoop.hbase.RegionMetricsBuilder" %>
  65 <%!
  66   /**
  67    * @return An empty region load stamped with the passed in <code>regionInfo</code>
  68    * region name.
  69    */
  70   private RegionMetrics getEmptyRegionMetrics(final RegionInfo regionInfo) {
  71     return RegionMetricsBuilder.toRegionMetrics(ClusterStatusProtos.RegionLoad.newBuilder().
  72             setRegionSpecifier(HBaseProtos.RegionSpecifier.newBuilder().
  73                     setType(HBaseProtos.RegionSpecifier.RegionSpecifierType.REGION_NAME).
  74                     setValue(ByteString.copyFrom(regionInfo.getRegionName())).build()).build());
  75   }
  76 %>
  77 <%
  78   HMaster master = (HMaster)getServletContext().getAttribute(HMaster.MASTER);
  79   Configuration conf = master.getConfiguration();
  80   String fqtn = request.getParameter("name");
  81   final String escaped_fqtn = StringEscapeUtils.escapeHtml4(fqtn);
  82   Table table;
  83   String tableHeader;
  84   boolean withReplica = false;
  85   boolean showFragmentation = conf.getBoolean("hbase.master.ui.fragmentation.enabled", false);
  86   boolean readOnly = conf.getBoolean("hbase.master.ui.readonly", false);
  87   int numMetaReplicas = conf.getInt(HConstants.META_REPLICAS_NUM,
  88                         HConstants.DEFAULT_META_REPLICA_NUM);
  89   Map<String, Integer> frags = null;
  90   if (showFragmentation) {
  91       frags = FSUtils.getTableFragmentation(master);
  92   }
  93   boolean quotasEnabled = conf.getBoolean("hbase.quota.enabled", false);
  94   String action = request.getParameter("action");
  95   String key = request.getParameter("key");
  96   String left = request.getParameter("left");
  97   String right = request.getParameter("right");
  98   long totalStoreFileSizeMB = 0;
  99
 100   final String numRegionsParam = request.getParameter("numRegions");
 101   // By default, the page render up to 10000 regions to improve the page load time
 102   int numRegionsToRender = 10000;
 103   if (numRegionsParam != null) {
 104     // either 'all' or a number
 105     if (numRegionsParam.equals("all")) {
 106       numRegionsToRender = -1;
 107     } else {
 108       try {
 109         numRegionsToRender = Integer.parseInt(numRegionsParam);
 110       } catch (NumberFormatException ex) {
 111         // ignore
 112       }
 113     }
 114   }
 115   int numRegions = 0;
 116
 117   String pageTitle;
 118   if ( !readOnly && action != null ) {
 119       pageTitle = "HBase Master: " + StringEscapeUtils.escapeHtml4(master.getServerName().toString());
 120   } else {
 121       pageTitle = "Table: " + escaped_fqtn;
 122   }
 123   pageContext.setAttribute("pageTitle", pageTitle);
 124 %>
 125
 126 <jsp:include page="header.jsp">
 127   <jsp:param name="pageTitle" value="${pageTitle}"/>
 128 </jsp:include>
 129
 130 <%
 131 if ( fqtn != null ) {
 132   try {
 133   table = master.getConnection().getTable(TableName.valueOf(fqtn));
 134   if (table.getTableDescriptor().getRegionReplication() > 1) {
 135     tableHeader = "<h2>Table Regions</h2><table id=\"tableRegionTable\" class=\"tablesorter table table-striped\" style=\"table-layout: fixed; word-wrap: break-word;\"><thead><tr><th>Name</th><th>Region Server</th><th>ReadRequests</th><th>WriteRequests</th><th>StorefileSize</th><th>Num.Storefiles</th><th>MemSize</th><th>Locality</th><th>Start Key</th><th>End Key</th><th>ReplicaID</th></tr></thead>";
 136     withReplica = true;
 137   } else {
 138     tableHeader = "<h2>Table Regions</h2><table id=\"tableRegionTable\" class=\"tablesorter table table-striped\" style=\"table-layout: fixed; word-wrap: break-word;\"><thead><tr><th>Name</th><th>Region Server</th><th>ReadRequests</th><th>WriteRequests</th><th>StorefileSize</th><th>Num.Storefiles</th><th>MemSize</th><th>Locality</th><th>Start Key</th><th>End Key</th></tr></thead>";
 139   }
 140   if ( !readOnly && action != null ) {
 141 %>
 142 <div class="container-fluid content">
 143         <div class="row inner_header">
 144             <div class="page-header">
 145                 <h1>Table action request accepted</h1>
 146             </div>
 147         </div>
 148 <p><hr><p>
 149 <%
 150   try (Admin admin = master.getConnection().getAdmin()) {
 151     if (action.equals("split")) {
 152       if (key != null && key.length() > 0) {
 153         admin.split(TableName.valueOf(fqtn), Bytes.toBytes(key));
 154       } else {
 155         admin.split(TableName.valueOf(fqtn));
 156       }
 157
 158     %> Split request accepted. <%
 159     } else if (action.equals("compact")) {
 160       if (key != null && key.length() > 0) {
 161         List<RegionInfo> regions = admin.getRegions(TableName.valueOf(fqtn));
 162         byte[] row = Bytes.toBytes(key);
 163
 164         for (RegionInfo region : regions) {
 165           if (region.containsRow(row)) {
 166             admin.compactRegion(region.getRegionName());
 167           }
 168         }
 169       } else {
 170         admin.compact(TableName.valueOf(fqtn));
 171       }
 172     %> Compact request accepted. <%
 173     } else if (action.equals("merge")) {
 174         if (left != null && left.length() > 0 && right != null && right.length() > 0) {
 175             admin.mergeRegionsAsync(Bytes.toBytesBinary(left), Bytes.toBytesBinary(right), false);
 176         }
 177         %> Merge request accepted. <%
 178     }
 179   }
 180 %>
 181 <jsp:include page="redirect.jsp" />
 182 </div>
 183 <%
 184   } else {
 185 %>
 186 <div class="container-fluid content">
 187     <div class="row inner_header">
 188         <div class="page-header">
 189             <h1>Table <small><%= escaped_fqtn %></small></h1>
 190         </div>
 191     </div>
 192     <div class="row">
 193 <%
 194   if(fqtn.equals(TableName.META_TABLE_NAME.getNameAsString())) {
 195 %>
 196 <%= tableHeader %>
 197 <tbody>
 198 <%
 199   // NOTE: Presumes meta with one or more replicas
 200   for (int j = 0; j < numMetaReplicas; j++) {
 201     RegionInfo meta = RegionReplicaUtil.getRegionInfoForReplica(
 202                             RegionInfoBuilder.FIRST_META_REGIONINFO, j);
 203     ServerName metaLocation = MetaTableLocator.waitMetaRegionLocation(master.getZooKeeper(), j, 1);
 204     for (int i = 0; i < 1; i++) {
 205       String hostAndPort = "";
 206       String readReq = "N/A";
 207       String writeReq = "N/A";
 208       String fileSize = "N/A";
 209       String fileCount = "N/A";
 210       String memSize = "N/A";
 211       float locality = 0.0f;
 212
 213       if (metaLocation != null) {
 214         ServerMetrics sl = master.getServerManager().getLoad(metaLocation);
 215         // The host name portion should be safe, but I don't know how we handle IDNs so err on the side of failing safely.
 216         hostAndPort = URLEncoder.encode(metaLocation.getHostname()) + ":" + master.getRegionServerInfoPort(metaLocation);
 217         if (sl != null) {
 218           Map<byte[], RegionMetrics> map = sl.getRegionMetrics();
 219           if (map.containsKey(meta.getRegionName())) {
 220             RegionMetrics load = map.get(meta.getRegionName());
 221             readReq = String.format("%,1d", load.getReadRequestCount());
 222             writeReq = String.format("%,1d", load.getWriteRequestCount());
 223             fileSize = StringUtils.byteDesc((long) load.getStoreFileSize().get(Size.Unit.BYTE));
 224             fileCount = String.format("%,1d", load.getStoreFileCount());
 225             memSize = StringUtils.byteDesc((long) load.getMemStoreSize().get(Size.Unit.BYTE));
 226             locality = load.getDataLocality();
 227           }
 228         }
 229       }
 230 %>
 231 <tr>
 232   <td><%= escapeXml(meta.getRegionNameAsString()) %></td>
 233     <td><a href="http://<%= hostAndPort %>/"><%= StringEscapeUtils.escapeHtml4(hostAndPort) %></a></td>
 234     <td><%= readReq%></td>
 235     <td><%= writeReq%></td>
 236     <td><%= fileSize%></td>
 237     <td><%= fileCount%></td>
 238     <td><%= memSize%></td>
 239     <td><%= locality%></td>
 240     <td><%= escapeXml(Bytes.toString(meta.getStartKey())) %></td>
 241     <td><%= escapeXml(Bytes.toString(meta.getEndKey())) %></td>
 242 <%
 243       if (withReplica) {
 244 %>
 245     <td><%= meta.getReplicaId() %></td>
 246 <%
 247       }
 248 %>
 249 </tr>
 250 <%  } %>
 251 <%} %>
 252 </tbody>
 253 </table>
 254 <%} else {
 255   Admin admin = master.getConnection().getAdmin();
 256   RegionStates states = master.getAssignmentManager().getRegionStates();
 257   Map<RegionState.State, List<RegionInfo>> regionStates = states.getRegionByStateOfTable(table.getName());
 258   Map<String, RegionState.State> stateMap = new HashMap<>();
 259   for (RegionState.State regionState : regionStates.keySet()) {
 260     for (RegionInfo regionInfo : regionStates.get(regionState)) {
 261         stateMap.put(regionInfo.getEncodedName(), regionState);
 262     }
 263   }
 264   RegionLocator r = master.getClusterConnection().getRegionLocator(table.getName());
 265   try { %>
 266 <h2>Table Attributes</h2>
 267 <table class="table table-striped">
 268   <tr>
 269       <th>Attribute Name</th>
 270       <th>Value</th>
 271       <th>Description</th>
 272   </tr>
 273   <tr>
 274       <td>Enabled</td>
 275       <td><%= admin.isTableEnabled(table.getName()) %></td>
 276       <td>Is the table enabled</td>
 277   </tr>
 278   <tr>
 279       <td>Compaction</td>
 280       <td>
 281 <%
 282   try {
 283     CompactionState compactionState = admin.getCompactionState(table.getName());
 284 %>
 285 <%= compactionState %>
 286 <%
 287   } catch (Exception e) {
 288     // Nothing really to do here
 289     for(StackTraceElement element : e.getStackTrace()) {
 290       %><%= StringEscapeUtils.escapeHtml4(element.toString()) %><%
 291     }
 292 %> Unknown <%
 293   }
 294 %>
 295       </td>
 296       <td>Is the table compacting</td>
 297   </tr>
 298 <%  if (showFragmentation) { %>
 299   <tr>
 300       <td>Fragmentation</td>
 301       <td><%= frags.get(fqtn) != null ? frags.get(fqtn).intValue() + "%" : "n/a" %></td>
 302       <td>How fragmented is the table. After a major compaction it is 0%.</td>
 303   </tr>
 304 <%  } %>
 305 <%
 306   if (quotasEnabled) {
 307     TableName tn = TableName.valueOf(fqtn);
 308     SpaceQuotaSnapshot masterSnapshot = null;
 309     Quotas quota = QuotaTableUtil.getTableQuota(master.getConnection(), tn);
 310     if (quota == null || !quota.hasSpace()) {
 311       quota = QuotaTableUtil.getNamespaceQuota(master.getConnection(), tn.getNamespaceAsString());
 312       if (quota != null) {
 313         masterSnapshot = master.getQuotaObserverChore().getNamespaceQuotaSnapshots()
 314           .get(tn.getNamespaceAsString());
 315       }
 316     } else {
 317       masterSnapshot = master.getQuotaObserverChore().getTableQuotaSnapshots().get(tn);
 318     }
 319     if (quota != null && quota.hasSpace()) {
 320       SpaceQuota spaceQuota = quota.getSpace();
 321 %>
 322   <tr>
 323     <td>Space Quota</td>
 324     <td>
 325       <table>
 326         <tr>
 327           <th>Property</th>
 328           <th>Value</th>
 329         </tr>
 330         <tr>
 331           <td>Limit</td>
 332           <td><%= StringUtils.byteDesc(spaceQuota.getSoftLimit()) %></td>
 333         </tr>
 334         <tr>
 335           <td>Policy</td>
 336           <td><%= spaceQuota.getViolationPolicy() %></td>
 337         </tr>
 338 <%
 339       if (masterSnapshot != null) {
 340 %>
 341         <tr>
 342           <td>Usage</td>
 343           <td><%= StringUtils.byteDesc(masterSnapshot.getUsage()) %></td>
 344         </tr>
 345         <tr>
 346           <td>State</td>
 347           <td><%= masterSnapshot.getQuotaStatus().isInViolation() ? "In Violation" : "In Observance" %></td>
 348         </tr>
 349 <%
 350       }
 351 %>
 352       </table>
 353     </td>
 354     <td>Information about a Space Quota on this table, if set.</td>
 355   </tr>
 356 <%
 357     }
 358   }
 359 %>
 360 </table>
 361 <h2>Table Schema</h2>
 362 <table class="table table-striped">
 363   <tr>
 364       <th>Column Name</th>
 365       <th></th>
 366   </tr>
 367   <%
 368     Collection<HColumnDescriptor> families = table.getTableDescriptor().getFamilies();
 369     for (HColumnDescriptor family: families) {
 370   %>
 371   <tr>
 372     <td><%= StringEscapeUtils.escapeHtml4(family.getNameAsString()) %></td>
 373     <td>
 374     <table class="table table-striped">
 375       <tr>
 376        <th>Property</th>
 377        <th>Value</th>
 378       </tr>
 379     <%
 380     Map<Bytes, Bytes> familyValues = family.getValues();
 381     for (Bytes familyKey: familyValues.keySet()) {
 382     %>
 383       <tr>
 384         <td>
 385           <%= StringEscapeUtils.escapeHtml4(familyKey.toString()) %>
 386                 </td>
 387         <td>
 388           <%= StringEscapeUtils.escapeHtml4(familyValues.get(familyKey).toString()) %>
 389         </td>
 390       </tr>
 391     <% } %>
 392     </table>
 393     </td>
 394   </tr>
 395   <% } %>
 396 </table>
 397 <%
 398   long totalReadReq = 0;
 399   long totalWriteReq = 0;
 400   long totalSize = 0;
 401   long totalStoreFileCount = 0;
 402   long totalMemSize = 0;
 403   String urlRegionServer = null;
 404   Map<ServerName, Integer> regDistribution = new TreeMap<>();
 405   Map<ServerName, Integer> primaryRegDistribution = new TreeMap<>();
 406   List<HRegionLocation> regions = r.getAllRegionLocations();
 407   Map<RegionInfo, RegionMetrics> regionsToLoad = new LinkedHashMap<>();
 408   Map<RegionInfo, ServerName> regionsToServer = new LinkedHashMap<>();
 409   for (HRegionLocation hriEntry : regions) {
 410     RegionInfo regionInfo = hriEntry.getRegionInfo();
 411     ServerName addr = hriEntry.getServerName();
 412     regionsToServer.put(regionInfo, addr);
 413
 414     if (addr != null) {
 415       ServerMetrics sl = master.getServerManager().getLoad(addr);
 416       if (sl != null) {
 417         RegionMetrics regionMetrics = sl.getRegionMetrics().get(regionInfo.getRegionName());
 418         regionsToLoad.put(regionInfo, regionMetrics);
 419         if(regionMetrics != null) {
 420           totalReadReq += regionMetrics.getReadRequestCount();
 421           totalWriteReq += regionMetrics.getWriteRequestCount();
 422           totalSize += regionMetrics.getStoreFileSize().get(Size.Unit.MEGABYTE);
 423           totalStoreFileCount += regionMetrics.getStoreFileCount();
 424           totalMemSize += regionMetrics.getMemStoreSize().get(Size.Unit.MEGABYTE);
 425           totalStoreFileSizeMB += regionMetrics.getStoreFileSize().get(Size.Unit.MEGABYTE);
 426         } else {
 427           RegionMetrics load0 = getEmptyRegionMetrics(regionInfo);
 428           regionsToLoad.put(regionInfo, load0);
 429         }
 430       } else{
 431         RegionMetrics load0 = getEmptyRegionMetrics(regionInfo);
 432         regionsToLoad.put(regionInfo, load0);
 433       }
 434     } else {
 435       RegionMetrics load0 = getEmptyRegionMetrics(regionInfo);
 436       regionsToLoad.put(regionInfo, load0);
 437     }
 438   }
 439
 440   if(regions != null && regions.size() > 0) { %>
 441 <h2>Table Regions</h2>
 442 <table id="regionServerDetailsTable" class="tablesorter table table-striped">
 443 <thead>
 444 <tr>
 445 <th>Name(<%= String.format("%,1d", regions.size())%>)</th>
 446 <th>Region Server</th>
 447 <th>ReadRequests<br>(<%= String.format("%,1d", totalReadReq)%>)</th>
 448 <th>WriteRequests<br>(<%= String.format("%,1d", totalWriteReq)%>)</th>
 449 <th>StorefileSize<br>(<%= StringUtils.byteDesc(totalSize*1024l*1024)%>)</th>
 450 <th>Num.Storefiles<br>(<%= String.format("%,1d", totalStoreFileCount)%>)</th>
 451 <th>MemSize<br>(<%= StringUtils.byteDesc(totalMemSize*1024l*1024)%>)</th>
 452 <th>Locality</th>
 453 <th>Start Key</th>
 454 <th>End Key</th>
 455 <th>Region State</th>
 456 <%
 457   if (withReplica) {
 458 %>
 459 <th>ReplicaID</th>
 460 <%
 461   }
 462 %>
 463 </thead>
 464 </tr>
 465 <tbody>
 466
 467 <%
 468   List<Map.Entry<RegionInfo, RegionMetrics>> entryList = new ArrayList<>(regionsToLoad.entrySet());
 469   numRegions = regions.size();
 470   int numRegionsRendered = 0;
 471   // render all regions
 472   if (numRegionsToRender < 0) {
 473     numRegionsToRender = numRegions;
 474   }
 475   for (Map.Entry<RegionInfo, RegionMetrics> hriEntry : entryList) {
 476     RegionInfo regionInfo = hriEntry.getKey();
 477     ServerName addr = regionsToServer.get(regionInfo);
 478     RegionMetrics load = hriEntry.getValue();
 479     String readReq = "N/A";
 480     String writeReq = "N/A";
 481     String regionSize = "N/A";
 482     String fileCount = "N/A";
 483     String memSize = "N/A";
 484     float locality = 0.0f;
 485     String state = "N/A";
 486     if(load != null) {
 487       readReq = String.format("%,1d", load.getReadRequestCount());
 488       writeReq = String.format("%,1d", load.getWriteRequestCount());
 489       regionSize = StringUtils.byteDesc((long) load.getStoreFileSize().get(Size.Unit.BYTE));
 490       fileCount = String.format("%,1d", load.getStoreFileCount());
 491       memSize = StringUtils.byteDesc((long) load.getMemStoreSize().get(Size.Unit.BYTE));
 492       locality = load.getDataLocality();
 493     }
 494
 495     if (stateMap.containsKey(regionInfo.getEncodedName())) {
 496      state = stateMap.get(regionInfo.getEncodedName()).toString();
 497     }
 498
 499     if (addr != null) {
 500       ServerMetrics sl = master.getServerManager().getLoad(addr);
 501       // This port might be wrong if RS actually ended up using something else.
 502       urlRegionServer =
 503           "//" + URLEncoder.encode(addr.getHostname()) + ":" + master.getRegionServerInfoPort(addr) + "/";
 504       if(sl != null) {
 505         Integer i = regDistribution.get(addr);
 506         if (null == i) i = Integer.valueOf(0);
 507         regDistribution.put(addr, i + 1);
 508         if (withReplica && RegionReplicaUtil.isDefaultReplica(regionInfo.getReplicaId())) {
 509           i = primaryRegDistribution.get(addr);
 510           if (null == i) i = Integer.valueOf(0);
 511           primaryRegDistribution.put(addr, i+1);
 512         }
 513       }
 514     }
 515     if (numRegionsRendered < numRegionsToRender) {
 516       numRegionsRendered++;
 517 %>
 518 <tr>
 519   <td><%= escapeXml(Bytes.toStringBinary(regionInfo.getRegionName())) %></td>
 520   <%
 521   if (urlRegionServer != null) {
 522   %>
 523   <td>
 524      <a href="<%= urlRegionServer %>"><%= StringEscapeUtils.escapeHtml4(addr.getHostname().toString()) + ":" + master.getRegionServerInfoPort(addr) %></a>
 525   </td>
 526   <%
 527   } else {
 528   %>
 529   <td class="undeployed-region">not deployed</td>
 530   <%
 531   }
 532   %>
 533   <td><%= readReq%></td>
 534   <td><%= writeReq%></td>
 535   <td><%= regionSize%></td>
 536   <td><%= fileCount%></td>
 537   <td><%= memSize%></td>
 538   <td><%= locality%></td>
 539   <td><%= escapeXml(Bytes.toStringBinary(regionInfo.getStartKey()))%></td>
 540   <td><%= escapeXml(Bytes.toStringBinary(regionInfo.getEndKey()))%></td>
 541   <td><%= state%></td>
 542   <%
 543   if (withReplica) {
 544   %>
 545   <td><%= regionInfo.getReplicaId() %></td>
 546   <%
 547   }
 548   %>
 549 </tr>
 550 <% } %>
 551 <% } %>
 552 </tbody>
 553 </table>
 554 <% if (numRegions > numRegionsRendered) {
 555      String allRegionsUrl = "?name=" + URLEncoder.encode(fqtn,"UTF-8") + "&numRegions=all";
 556 %>
 557   <p>This table has <b><%= numRegions %></b> regions in total, in order to improve the page load time,
 558      only <b><%= numRegionsRendered %></b> regions are displayed here, <a href="<%= allRegionsUrl %>">click
 559      here</a> to see all regions.</p>
 560 <% } %>
 561 <h2>Regions by Region Server</h2>
 562 <%
 563 if (withReplica) {
 564 %>
 565 <table id="regionServerTable" class="tablesorter table table-striped"><thead><tr><th>Region Server</th><th>Region Count</th><th>Primary Region Count</th></tr></thead>
 566 <%
 567 } else {
 568 %>
 569 <table id="regionServerTable" class="tablesorter table table-striped"><thead><tr><th>Region Server</th><th>Region Count</th></tr></thead>
 570 <tbody>
 571 <%
 572 }
 573 %>
 574 <%
 575   for (Map.Entry<ServerName, Integer> rdEntry : regDistribution.entrySet()) {
 576      ServerName addr = rdEntry.getKey();
 577      String url = "//" + URLEncoder.encode(addr.getHostname()) + ":" + master.getRegionServerInfoPort(addr) + "/";
 578 %>
 579 <tr>
 580   <td><a href="<%= url %>"><%= StringEscapeUtils.escapeHtml4(addr.getHostname().toString()) + ":" + master.getRegionServerInfoPort(addr) %></a></td>
 581   <td><%= rdEntry.getValue()%></td>
 582 <%
 583 if (withReplica) {
 584 %>
 585   <td><%= primaryRegDistribution.get(addr)%></td>
 586 <%
 587 }
 588 %>
 589 </tr>
 590 <% } %>
 591 </tbody>
 592 </table>
 593 <% }
 594 } catch(Exception ex) {
 595   for(StackTraceElement element : ex.getStackTrace()) {
 596     %><%= StringEscapeUtils.escapeHtml4(element.toString()) %><%
 597   }
 598 } finally {
 599   admin.close();
 600 }
 601 } // end else
 602 %>
 603
 604 <h2>Table Stats</h2>
 605 <table class="table table-striped">
 606   <tr>
 607     <th>Name</th>
 608     <th>Value</th>
 609     <th>Description</th>
 610   </tr>
 611   <tr>
 612     <td>Size</td>
 613     <td><%= StringUtils.TraditionalBinaryPrefix.long2String(totalStoreFileSizeMB * 1024 * 1024, "B", 2)%></td>
 614     <td>Total size of store files</td>
 615   </tr>
 616 </table>
 617
 618 <% if (!readOnly) { %>
 619 <p><hr/></p>
 620 Actions:
 621 <p>
 622 <center>
 623 <table class="table" style="border: 0;" width="95%" >
 624 <tr>
 625   <form method="get">
 626   <input type="hidden" name="action" value="compact" />
 627   <input type="hidden" name="name" value="<%= escaped_fqtn %>" />
 628   <td class="centered">
 629     <input style="font-size: 12pt; width: 10em" type="submit" value="Compact" class="btn" />
 630   </td>
 631   <td style="text-align: center;">
 632     <input type="text" name="key" size="40" placeholder="Row Key (optional)" />
 633   </td>
 634   <td>
 635     This action will force a compaction of all regions of the table, or,
 636     if a key is supplied, only the region containing the
 637     given key.
 638   </td>
 639   </form>
 640 </tr>
 641 <tr>
 642   <form method="get">
 643   <input type="hidden" name="action" value="split" />
 644   <input type="hidden" name="name" value="<%= escaped_fqtn %>" />
 645   <td class="centered">
 646     <input style="font-size: 12pt; width: 10em" type="submit" value="Split" class="btn" />
 647   </td>
 648   <td style="text-align: center;">
 649     <input type="text" name="key" size="40" placeholder="Row Key (optional)" />
 650   </td>
 651   <td>
 652           This action will force a split of all eligible
 653           regions of the table, or, if a key is supplied, only the region containing the
 654           given key. An eligible region is one that does not contain any references to
 655           other regions. Split requests for noneligible regions will be ignored.
 656   </td>
 657   </form>
 658 </tr>
 659 <tr>
 660   <form method="get">
 661   <input type="hidden" name="action" value="merge" />
 662   <input type="hidden" name="name" value="<%= escaped_fqtn %>" />
 663   <td class="centered">
 664     <input style="font-size: 12pt; width: 10em" type="submit" value="Merge" class="btn" />
 665   </td>
 666   <td style="text-align: center;">
 667     <input type="text" name="left" size="40" required="required" placeholder="Region Key (required)" />
 668     <input type="text" name="right" size="40" required="required" placeholder="Region Key (required)" />
 669   </td>
 670   <td>
 671     This action will merge two regions of the table, Merge requests for
 672     noneligible regions will be ignored.
 673   </td>
 674   </form>
 675 </tr>
 676 </table>
 677 </center>
 678 </p>
 679 <% } %>
 680 </div>
 681 </div>
 682 <% }
 683   } catch(TableNotFoundException e) { %>
 684   <div class="container-fluid content">
 685     <div class="row inner_header">
 686       <div class="page-header">
 687         <h1>Table not found</h1>
 688        </div>
 689     </div>
 690     <p><hr><p>
 691     <p>Go <a href="javascript:history.back()">Back</a>
 692   </div> <%
 693   } catch(IllegalArgumentException e) { %>
 694   <div class="container-fluid content">
 695     <div class="row inner_header">
 696       <div class="page-header">
 697         <h1>Table qualifier must not be empty</h1>
 698       </div>
 699     </div>
 700     <p><hr><p>
 701     <p>Go <a href="javascript:history.back()">Back</a>
 702   </div> <%
 703   }
 704 }
 705   else { // handle the case for fqtn is null with error message + redirect
 706 %>
 707 <div class="container-fluid content">
 708     <div class="row inner_header">
 709         <div class="page-header">
 710             <h1>Table not ready</h1>
 711         </div>
 712     </div>
 713 <p><hr><p>
 714 <jsp:include page="redirect.jsp" />
 715 </div>
 716 <% } %>
 717
 718 <jsp:include page="footer.jsp" />
 719 <script src="/static/js/jquery.min.js" type="text/javascript"></script>
 720 <script src="/static/js/jquery.tablesorter.min.js" type="text/javascript"></script>
 721 <script src="/static/js/bootstrap.min.js" type="text/javascript"></script>
 722
 723 <script>
 724 $(document).ready(function()
 725     {
 726         $("#regionServerTable").tablesorter();
 727         $("#regionServerDetailsTable").tablesorter();
 728         $("#tableRegionTable").tablesorter();
 729     }
 730 );
 731 </script>