Crearns opened a new issue #1876: Broker flush when END_OF_FILE URL: https://github.com/apache/rocketmq/issues/1876 in CommitLog.java when `msgLen + END_FILE_MIN_BLANK_LENGTH) > maxBlank`, it will put the totalsize, magiccode to mark the blank ```java if ((msgLen + END_FILE_MIN_BLANK_LENGTH) > maxBlank) { this.resetByteBuffer(this.msgStoreItemMemory, maxBlank); // 1 TOTALSIZE this.msgStoreItemMemory.putInt(maxBlank); // 2 MAGICCODE this.msgStoreItemMemory.putInt(CommitLog.BLANK_MAGIC_CODE); // 3 The remaining space may be any value // Here the length of the specially set maxBlank final long beginTimeMills = CommitLog.this.defaultMessageStore.now(); byteBuffer.put(this.msgStoreItemMemory.array(), 0, maxBlank); return new AppendMessageResult(AppendMessageStatus.END_OF_FILE, wroteOffset, maxBlank, msgId, msgInner.getStoreTimestamp(), queueOffset, CommitLog.this.defaultMessageStore.now() - beginTimeMills); } ``` when parse the result ```java case END_OF_FILE: unlockMappedFile = mappedFile; // Create a new file, re-write the message mappedFile = this.mappedFileQueue.getLastMappedFile(0); if (null == mappedFile) { // XXX: warn and notify me log.error("create mapped file2 error, topic: " + msg.getTopic() + " clientAddr: " + msg.getBornHostString()); beginTimeInLock = 0; return new PutMessageResult(PutMessageStatus.CREATE_MAPEDFILE_FAILED, result); } result = mappedFile.appendMessage(msg, this.appendMessageCallback); break; ``` it will create a new file, put the message and flush it, but the data that mark the blank will not flush, how to deal with it?
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