solr深分页，游标操作分页，解决性能问题

solr深分页，游标操作分页，解决性能问题

　　

@Test  
    public void pageByCursor() {  
try {  
   solrServer.connect();  
   String query = "tablename:log_baseresult_netbehavior";  
   SolrQuery q = new SolrQuery(query);  
   q.setRows(10000000).setSort(SortClause.asc("rowkey"));  
  
  
   String cursorMark = CursorMarkParams.CURSOR_MARK_START;  
  
  
   boolean done = false;  
  
  
   long time1 = System.currentTimeMillis();  
   while (!done) {  
q.set(CursorMarkParams.CURSOR_MARK_PARAM, cursorMark);  
QueryResponse qresponse = solrServer.query(q, METHOD.POST);  
  
String nextCursorMark = qresponse.getNextCursorMark();  
  
SolrDocumentList sList = qresponse.getResults();  
System.out.println("---------"+sList.size());  
/*for (SolrDocument doc : sList) { 
   Collection<String> fieldNames = doc.getFieldNames(); 
   if (fieldNames.contains("rowkey")) { 
String rowKey = (String) doc.getFieldValue("rowkey"); 
//System.out.println(rowKey); 
   } 
}*/  
  
if (cursorMark.equals(nextCursorMark)) {  
   done = true;  
}  
cursorMark = nextCursorMark;  
   }  
   long time2 = System.currentTimeMillis();  
   System.out.println("time:"+(time2-time1));  
} catch (SolrServerException e) {  
   // TODO Auto-generated catch block  
   e.printStackTrace();  
}  
    }