Fix issue 165

store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java

@@ -462,7 +462,7 @@ public class DefaultMessageStore implements MessageStore {
                         long maxPhyOffsetPulling = 0;
 
                         int i = 0;
-                        final int maxFilterMessageCount = 16000;
+                        final int maxFilterMessageCount = Math.max(16000, maxMsgNums * ConsumeQueue.CQ_STORE_UNIT_SIZE);
                         final boolean diskFallRecorded = this.messageStoreConfig.isDiskFallRecorded();
                         for (; i < bufferConsumeQueue.getSize() && i < maxFilterMessageCount; i += ConsumeQueue.CQ_STORE_UNIT_SIZE) {
                             long offsetPy = bufferConsumeQueue.getByteBuffer().getLong();