don't do solr optimization, this create high IO load. We should leave

this task to solr to do that on it's own instead of forcing it.

source/net/yacy/search/ResourceObserver.java

@@ -164,7 +164,7 @@ public class ResourceObserver {
                 
                 // run a solr optimize
                 this.sb.index.fulltext().commit(false);
-                this.sb.index.fulltext().optimize(1);
+                //this.sb.index.fulltext().optimize(1);
                 if (getNormalizedDiskFree() == Space.AMPLE && getNormalizedDiskUsed(false) == Space.AMPLE) break shrinkmethods;
                 
                 /*

source/net/yacy/search/Switchboard.java

@@ -2568,6 +2568,7 @@ public final class Switchboard extends serverSwitch {
                 this.crawlQueues.noticeURL.clear();
                 
                 // do solr optimization
+                /*
                 long idleSearch = System.currentTimeMillis() - this.localSearchLastAccess;
                 long idleAdmin  = System.currentTimeMillis() - this.adminAuthenticationLastAccess;
                 long deltaOptimize = System.currentTimeMillis() - this.optimizeLastRun;
@@ -2577,7 +2578,6 @@ public final class Switchboard extends serverSwitch {
                     opts++; // have postprocessings will force optimazion with one more Segment which is small an quick
                     optimizeRequired = true;
                 }
-                
                 log.info("Solr auto-optimization: idleSearch=" + idleSearch + ", idleAdmin=" + idleAdmin + ", deltaOptimize=" + deltaOptimize + ", proccount=" + proccount);
                 if (optimizeRequired) {
                     if (idleSearch < 600000) opts++; // < 10 minutes idle time will cause a optimization with one more Segment which is small an quick
@@ -2585,6 +2585,7 @@ public final class Switchboard extends serverSwitch {
                     fulltext.optimize(opts);
                     this.optimizeLastRun = System.currentTimeMillis();
                 }
+                */
             }
             
             // write statistics