protection against too many files in RICELL in case of massive emergency dumps caused by low memory

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5791 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/kelondro/text/IndexCell.java

@@ -279,7 +279,7 @@ public final class IndexCell extends AbstractBufferedIndex implements BufferedIn
         }
         
         // clean-up the cache
-        if (this.lastCleanup + cleanupCycle > System.currentTimeMillis()) return;
+        if (this.array.size() < 50 && this.lastCleanup + cleanupCycle > System.currentTimeMillis()) return;
         //System.out.println("----cleanup check");
         this.array.shrink(this.targetFileSize, this.maxFileSize);
         this.lastCleanup = System.currentTimeMillis();