extended the status_p api with disk space information

htroot/api/status_p.java

@@ -68,12 +68,15 @@ public class status_p {
         prop.putNum("wordCacheMaxSize", cacheMaxSize);
         
 		// memory usage and system attributes
+        prop.putNum("usedMemory", MemoryControl.used());
         prop.putNum("freeMemory", MemoryControl.free());
         prop.putNum("totalMemory", MemoryControl.total());
         prop.putNum("maxMemory", MemoryControl.maxMemory());
+        prop.putNum("usedDisk", sb.observer.getSizeOfDataPath(true));
+        prop.putNum("freeDisk", sb.observer.getUsableSpace());
         prop.putNum("processors", WorkflowProcessor.availableCPU);
         prop.putNum("load", Memory.load());
-
+        
 		// proxy traffic
 		prop.put("trafficIn", ByteCount.getGlobalCount());
 		prop.put("trafficProxy", ByteCount.getAccountCount(ByteCount.PROXY));

htroot/api/status_p.xml

@@ -6,11 +6,17 @@
   <wordCacheMaxSize>#[wordCacheMaxSize]#</wordCacheMaxSize>
 
   <memory>
+    <used>#[usedMemory]#</used>
     <free>#[freeMemory]#</free>
     <total>#[totalMemory]#</total>
     <max>#[maxMemory]#</max>
   </memory>
   
+  <disk>
+    <used>#[usedDisk]#</used>
+    <free>#[freeDisk]#</free>
+  </disk>
+  
   <processors>#[processors]#</processors>
   <load>#[load]#</load>
   
@@ -57,7 +63,7 @@
   </noloadcrawlerqueue>
 
 <!-- crawl profile list -->
-#(crawlProfiles)#::
+#(crawlProfiles)#<crawls count="0"/>::
   <crawls count="#[count]#">
   #{list}#
     <crawl>