removed flush at end of every rwi entry since this reduces the write performance.

This should speed up RWI cache dump and RWI merge operations and should cause less blocking time during these processes for the indexer.

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6771 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/net/yacy/kelondro/blob/HeapWriter.java

@@ -110,7 +110,7 @@ public final class HeapWriter {
         os.write(blob);
         //assert (this.doublecheck.add(new String(key))) : "doublecheck failed for " + new String(key);
         this.seek += chunkl + 4;
-        os.flush(); // necessary? may cause bad IO performance :-(
+        //os.flush(); // necessary? may cause bad IO performance :-(
     }
     
     protected static File fingerprintIndexFile(File f, String fingerprint) {