hbase-webapps.regionserver.region.jsp Maven / Gradle / Ivy

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Server functionality for HBase
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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.net.URLEncoder"
  import="java.util.Collection"
  import="java.util.Date"
  import="java.util.List"
  import="org.apache.hadoop.fs.FileStatus"
  import="org.apache.hadoop.fs.Path"
  import="org.apache.hadoop.hbase.HConstants"
  import="org.apache.hadoop.hbase.client.RegionInfoDisplay"
  import="org.apache.hadoop.hbase.mob.MobUtils"
  import="org.apache.hadoop.hbase.regionserver.HRegionServer"
  import="org.apache.hadoop.hbase.regionserver.HMobStore"
  import="org.apache.hadoop.hbase.regionserver.HStoreFile"
  import="org.apache.hadoop.hbase.regionserver.Region"
  import="org.apache.hadoop.hbase.regionserver.Store"
  import="org.apache.hadoop.hbase.regionserver.StoreFile"
%>
<%
  String regionName = request.getParameter("name");
  HRegionServer rs = (HRegionServer) getServletContext().getAttribute(HRegionServer.REGIONSERVER);

  Region region = rs.getRegion(regionName);
  String displayName;
  if (region != null) {
    displayName = RegionInfoDisplay.getRegionNameAsStringForDisplay(region.getRegionInfo(),
            rs.getConfiguration());
  } else {
    displayName = "region {" + regionName + "} is not currently online on this region server";
  }
  pageContext.setAttribute("pageTitle", "HBase RegionServer: " + rs.getServerName());
%>

  


  
    
        
            Region: <%= displayName %>
        
    

<% if(region != null) { //
     List stores = region.getStores();
     for (Store store : stores) {
       String cf = store.getColumnFamilyName();
       Collection storeFiles = store.getStorefiles(); %>

       Column Family: <%= cf %>

       Memstore size (MB): <%= (int) (store.getMemStoreSize().getHeapSize() / 1024 / 1024) %>

       Store Files

       
       <%   for(StoreFile sf : storeFiles) { %>
         
         <% } %>

          <%= storeFiles.size() %> StoreFile(s) in set.

         
           Store File
           Size (MB)
           Modification time
           Len Of Biggest Cell
           Key Of Biggest Cell
         

           <%= sf.getPath() %>
           <%= (int) (rs.getFileSystem().getLength(sf.getPath()) / 1024 / 1024) %>
           <%= new Date(sf.getModificationTimestamp()) %>
           <%= String.format("%,1d", ((HStoreFile)sf).getFileInfo().getHFileInfo().getLenOfBiggestCell()) %>
           <%= ((HStoreFile)sf).getFileInfo().getHFileInfo().getKeyOfBiggestCell() %>
         
         

       <% if (store instanceof HMobStore) { %>
       MOB Files
       

         <%
         int mobCnt = 0;
         for (StoreFile sf : storeFiles) {
           try {
             byte[] value = ((HStoreFile)sf).getMetadataValue(HStoreFile.MOB_FILE_REFS);
             if (value == null) {
               continue;
             }

             Collection fileNames = MobUtils.deserializeMobFileRefs(value).build().values();
             mobCnt += fileNames.size();
             for (String fileName : fileNames) {
               Path mobPath = new Path(((HMobStore) store).getPath(), fileName);
               FileStatus status = rs.getFileSystem().getFileStatus(mobPath);
               String mobPathStr = mobPath.toString();
               String encodedStr = URLEncoder.encode(mobPathStr, HConstants.UTF8_ENCODING); %>

               

             <% }
           } catch (Exception e) { %>
             
           <% }
         } %>

          <%= mobCnt %> MobFile(s) in set.

         
           MOB File
           Size (MB)
           Modification time
         

                 <%= mobPathStr%>
                 <%= status.getLen() / 1024 / 1024 %>
                 <%= new Date(status.getModificationTime()) %>
               

              <%= e %>
             
       
       <% }
     }
   }%>
MOB File	Size (MB)	Modification time
<%= mobPathStr%>	<%= status.getLen() / 1024 / 1024 %>	<%= new Date(status.getModificationTime()) %>
<%= e %>