diff --git a/htroot/IndexCreate_p.html b/htroot/IndexCreate_p.html
index fd586fbeb..0d8ee9c78 100644
--- a/htroot/IndexCreate_p.html
+++ b/htroot/IndexCreate_p.html
@@ -203,17 +203,6 @@
         </tr>
         -->
         <tr valign="top" class="TableCellLight">
-          <td>Wanted Performance:</td>
-          <td>
-            <input type="radio" name="crawlingPerformance" id="maximum" value="maximum" #(crawlingSpeedMaxChecked)#::checked="checked"#(/crawlingSpeedMaxChecked)# /><label for="maximum">maximum</label><br />
-			<input type="radio" name="crawlingPerformance" id="custom" value="custom" #(crawlingSpeedCustChecked)#::checked="checked"#(/crawlingSpeedCustChecked)# /><label for="custom">custom</label>: <input name="customPPM" type="text" size="4" maxlength="4" value="#[customPPMdefault]#" />PPM<br />
-			<input type="radio" name="crawlingPerformance" id="minimum" value="minimum" #(crawlingSpeedMinChecked)#::checked="checked"#(/crawlingSpeedMinChecked)# /><label for="minimum"><nobr>optimal as background process</nobr></label>
-          </td>
-          <td colspan="3">
-            Set wanted level of computing power, used for this and other running crawl tasks. (PPM = pages per minute)
-          </td>
-        </tr>
-        <tr valign="top" class="TableCellDark">
           <td colspan="5"><input type="submit" name="crawlingstart" value="Start New Crawl" /></td>
         </tr>
       </table>
diff --git a/htroot/PerformanceQueues_p.html b/htroot/PerformanceQueues_p.html
index a77af9fb9..f2e703ef1 100644
--- a/htroot/PerformanceQueues_p.html
+++ b/htroot/PerformanceQueues_p.html
@@ -52,7 +52,7 @@
         <td align="right"><input name="#[threadname]#_idlesleep" size="7" maxlength="7" value="#[idlesleep]#" /> milliseconds</td>
         <td align="right"><input name="#[threadname]#_busysleep" size="7" maxlength="7" value="#[busysleep]#" /> milliseconds</td>
         <td align="right"><input name="#[threadname]#_memprereq" size="7" maxlength="10" value="#[memprereq]#" #(disabled)#:: disabled="disabled"#(/disabled)# /> kbytes</td>
-        <td align="left">#[longdescr]#</td>
+        <td align="left">#[longdescr]##(recommendation)#::<br>recommended: #[value]##(/recommendation)#</td>
       </tr>
       #{/table}#
       <tr class="TableCellLight">
diff --git a/htroot/PerformanceQueues_p.java b/htroot/PerformanceQueues_p.java
index c41d269c9..37fc51b43 100644
--- a/htroot/PerformanceQueues_p.java
+++ b/htroot/PerformanceQueues_p.java
@@ -174,7 +174,9 @@ public class PerformanceQueues_p {
             prop.put("table_" + c + "_busysleep", busysleep);
             prop.put("table_" + c + "_memprereq", memprereq / 1024);
             // disallow setting of memprereq for indexer to prevent db from throwing OOMs
-            prop.put("table_" + c + "_disabled", (threadName.endsWith("_indexing")) ? 1 : 0);
+            prop.put("table_" + c + "_disabled", /*(threadName.endsWith("_indexing")) ? 1 :*/ 0);
+            prop.put("table_" + c + "_recommendation", (threadName.endsWith("_indexing")) ? 1 : 0);
+            prop.put("table_" + c + "_recommendation_value", (threadName.endsWith("_indexing")) ? ((switchboard.wordIndex.minMem() + 2 * 1024 * 1024)/1024) : 0);
             c++;
         }
         prop.put("table", c);
diff --git a/htroot/WatchCrawler_p.java b/htroot/WatchCrawler_p.java
index 19c250fab..47f2b1381 100644
--- a/htroot/WatchCrawler_p.java
+++ b/htroot/WatchCrawler_p.java
@@ -143,8 +143,6 @@ public class WatchCrawler_p {
                     boolean xpstopw = post.get("xpstopw", "off").equals("on");
                     env.setConfig("xpstopw", (xpstopw) ? "true" : "false");
                     
-                    setPerformance(switchboard, post);
-                    
                     String crawlingMode = post.get("crawlingMode","url");
                     if (crawlingMode.equals("url")) {
                         // getting the crawljob start url
diff --git a/source/de/anomic/plasma/plasmaSwitchboard.java b/source/de/anomic/plasma/plasmaSwitchboard.java
index ee360bc1a..b4782f485 100644
--- a/source/de/anomic/plasma/plasmaSwitchboard.java
+++ b/source/de/anomic/plasma/plasmaSwitchboard.java
@@ -1060,11 +1060,10 @@ public final class plasmaSwitchboard extends serverAbstractSwitch implements ser
         wordIndex.setWordFlushSize((int) getConfigLong("wordFlushSize", 1000));
         
         // set a minimum amount of memory for the indexer thread
-        long memprereq = Math.max(getConfigLong(INDEXER_MEMPREREQ, 0), wordIndex.minMem());
-        long memprereq1 = memprereq + (memprereq / 8) + 2 * 1024 * 1024;
-        setConfig(INDEXER_MEMPREREQ, memprereq);
-        kelondroRecords.setCacheGrowStati(memprereq1, memprereq);
-        kelondroCache.setCacheGrowStati(memprereq1, memprereq);
+        long memprereq = wordIndex.minMem();
+        //setConfig(INDEXER_MEMPREREQ, memprereq);
+        kelondroRecords.setCacheGrowStati(memprereq + 2 * 1024 * 1024, memprereq);
+        kelondroCache.setCacheGrowStati(memprereq + 2 * 1024 * 1024, memprereq);
         
         // make parser
         log.logConfig("Starting Parser");
@@ -1699,11 +1698,6 @@ public final class plasmaSwitchboard extends serverAbstractSwitch implements ser
                 log.logFine("deQueue: online caution, omitting resource stack processing");
                 return false;
             }
-
-            if ((sbQueue.size() == 0) && ((getThread(CRAWLJOB_LOCAL_CRAWL).getJobCount() == 0))) {
-            	long sleep = getConfigLong(INDEX_DIST_BUSYSLEEP, 6000);
-            	setPerformance((int) Math.max(120, 60000 / (sleep==0?1:sleep))); // if there is no activity, set low performance
-            }
             
             // flush some entries from the RAM cache
             if (sbQueue.size() == 0) wordIndex.flushCacheSome(); // permanent flushing only if we are not busy
@@ -1861,13 +1855,10 @@ public final class plasmaSwitchboard extends serverAbstractSwitch implements ser
 
             // set new memory limit for indexer thread
             long memprereq = Math.max(getConfigLong(INDEXER_MEMPREREQ, 0), wordIndex.minMem());
-            setConfig(INDEXER_MEMPREREQ, memprereq);
-            setThreadPerformance(INDEXER,
-                    getConfigLong(INDEXER_IDLESLEEP, 0),
-                    getConfigLong(INDEXER_BUSYSLEEP, 0),
-                    memprereq);
-            kelondroRecords.setCacheGrowStati(memprereq + (memprereq / 8) + 2 * 1024 * 1024, memprereq);
-            kelondroCache.setCacheGrowStati(memprereq + (memprereq / 8) + 2 * 1024 * 1024, memprereq);
+            //setConfig(INDEXER_MEMPREREQ, memprereq);
+            //setThreadPerformance(INDEXER, getConfigLong(INDEXER_IDLESLEEP, 0), getConfigLong(INDEXER_BUSYSLEEP, 0), memprereq);
+            kelondroRecords.setCacheGrowStati(memprereq + 2 * 1024 * 1024, memprereq);
+            kelondroCache.setCacheGrowStati(memprereq + 2 * 1024 * 1024, memprereq);
             
             // update the cluster set
             this.clusterhashes = yacyCore.seedDB.clusterHashes(getConfig("cluster.peers.yacydomain", ""));