SOLR-3948: Calculate/display deleted documents in admin interface.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1419939 13f79535-47bb-0310-9956-ffa450edef68

solr/CHANGES.txt

@@ -128,6 +128,9 @@ New Features
 * SOLR-4028: When using ZK chroot, it would be nice if Solr would create the 
   initial path when it doesn't exist. (Tomas Fernandez Lobbe via Mark Miller)
 
+* SOLR-3948: Calculate/display deleted documents in admin interface.
+  (Shawn Heisey via Mark Miller)
+
 Optimizations
 ----------------------
 

solr/core/src/java/org/apache/solr/handler/admin/LukeRequestHandler.java

@@ -547,6 +547,7 @@ public class LukeRequestHandler extends RequestHandlerBase
 
     indexInfo.add("numDocs", reader.numDocs());
     indexInfo.add("maxDoc", reader.maxDoc());
+    indexInfo.add("deletedDocs", reader.maxDoc() - reader.numDocs());
 
     indexInfo.add("version", reader.getVersion());  // TODO? Is this different then: IndexReader.getCurrentVersion( dir )?
     indexInfo.add("segmentCount", reader.leaves().size());

solr/core/src/java/org/apache/solr/search/SolrIndexSearcher.java

@@ -1983,6 +1983,7 @@ public class SolrIndexSearcher extends IndexSearcher implements Closeable,SolrIn
     lst.add("caching", cachingEnabled);
     lst.add("numDocs", reader.numDocs());
     lst.add("maxDoc", reader.maxDoc());
+    lst.add("deletedDocs", reader.maxDoc() - reader.numDocs());
     lst.add("reader", reader.toString());
     lst.add("readerDir", reader.directory());
     lst.add("indexVersion", reader.getVersion());

solr/webapp/web/js/scripts/cores.js

@@ -200,6 +200,9 @@ sammy.get
                 $( '.maxDoc dd', index_data_element )
                   .html( core_data.index.maxDoc );
                 
+                $( '.deletedDocs dd', index_data_element )
+                  .html( core_data.index.deletedDocs );
+
                 $( '.optimized dd', index_data_element )
                   .addClass( !core_data.index.hasDeletions ? 'ico-1' : 'ico-0' );
 

solr/webapp/web/js/scripts/dashboard.js

@@ -114,6 +114,7 @@ sammy.get
               var data = {
                 'index_num-docs' : response['index']['numDocs'],
                 'index_max-doc' : response['index']['maxDoc'],
+                'index_deleted-docs' : response['index']['deletedDocs'],
                 'index_version' : response['index']['version'],
                 'index_segmentCount' : response['index']['segmentCount'],
                 'index_last-modified' : response['index']['lastModified']

solr/webapp/web/tpl/cores.html

@@ -184,6 +184,11 @@ limitations under the License.
                 <dd></dd>
             </dl></li>
 
+            <li class="deletedDocs"><dl class="clearfix">
+              <dt><span>deletedDocs:</span></dt>
+                <dd></dd>
+            </dl></li>
+
             <li class="optimized"><dl class="clearfix">
               <dt><span>optimized:</span></dt>
                 <dd class="ico"><span></span></dd>

solr/webapp/web/tpl/dashboard.html

@@ -39,6 +39,9 @@ limitations under the License.
           <dt class="index_max-doc">Max Doc:</dt>
             <dd class="index_max-doc value"></dd>
 
+          <dt class="index_deleted-docs">Deleted Docs:</dt>
+            <dd class="index_deleted-docs value"></dd>
+
           <dt class="index_version">Version:</dt>
             <dd class="index_version value"></dd>