How to use

release

method

in

org.apache.rocketmq.store.GetMessageResult

  @Override
  protected void deallocate() {
    this.getMessageResult.release();
  }
}

  @Override
  public void operationComplete(ChannelFuture future) throws Exception {
    getMessageResult.release();
    if (!future.isSuccess()) {
      log.error("transfer many message by pagecache failed, {}", channel.remoteAddress(), future.cause());
    }
  }
});

private List<MessageExt> decodeMsgList(GetMessageResult getMessageResult) {
  List<MessageExt> foundList = new ArrayList<>();
  try {
    List<ByteBuffer> messageBufferList = getMessageResult.getMessageBufferList();
    for (ByteBuffer bb : messageBufferList) {
      MessageExt msgExt = MessageDecoder.decode(bb);
      foundList.add(msgExt);
    }
  } finally {
    getMessageResult.release();
  }
  return foundList;
}

private byte[] readGetMessageResult(final GetMessageResult getMessageResult, final String group, final String topic,
  final int queueId) {
  final ByteBuffer byteBuffer = ByteBuffer.allocate(getMessageResult.getBufferTotalSize());
  long storeTimestamp = 0;
  try {
    List<ByteBuffer> messageBufferList = getMessageResult.getMessageBufferList();
    for (ByteBuffer bb : messageBufferList) {
      byteBuffer.put(bb);
      storeTimestamp = bb.getLong(MessageDecoder.MESSAGE_STORE_TIMESTAMP_POSTION);
    }
  } finally {
    getMessageResult.release();
  }
  this.brokerController.getBrokerStatsManager().recordDiskFallBehindTime(group, topic, queueId, this.brokerController.getMessageStore().now() - storeTimestamp);
  return byteBuffer.array();
}

  @Override
  protected void deallocate() {
    this.getMessageResult.release();
  }
}

  @Override
  public void operationComplete(ChannelFuture future) throws Exception {
    getMessageResult.release();
    if (!future.isSuccess()) {
      log.error("transfer many message by pagecache failed, {}", channel.remoteAddress(), future.cause());
    }
  }
});

private byte[] readGetMessageResult(final GetMessageResult getMessageResult, final String group, final String topic,
  final int queueId) {
  final ByteBuffer byteBuffer = ByteBuffer.allocate(getMessageResult.getBufferTotalSize());
  long storeTimestamp = 0;
  try {
    List<ByteBuffer> messageBufferList = getMessageResult.getMessageBufferList();
    for (ByteBuffer bb : messageBufferList) {
      byteBuffer.put(bb);
      storeTimestamp = bb.getLong(MessageDecoder.MESSAGE_STORE_TIMESTAMP_POSTION);
    }
  } finally {
    getMessageResult.release();
  }
  this.brokerController.getBrokerStatsManager().recordDiskFallBehindTime(group, topic, queueId, this.brokerController.getMessageStore().now() - storeTimestamp);
  return byteBuffer.array();
}

} catch (Throwable e) {
  log.error("transfer many message by pagecache exception", e);
  getMessageResult.release();

  @Override
  protected void deallocate() {
    this.getMessageResult.release();
  }
}

  @Override
  public void operationComplete(ChannelFuture future) throws Exception {
    getMessageResult.release();
    if (!future.isSuccess()) {
      log.error("transfer many message by pagecache failed, {}", channel.remoteAddress(), future.cause());
    }
  }
});

private List<MessageExt> decodeMsgList(GetMessageResult getMessageResult) {
  List<MessageExt> foundList = new ArrayList<>();
  try {
    List<ByteBuffer> messageBufferList = getMessageResult.getMessageBufferList();
    for (ByteBuffer bb : messageBufferList) {
      MessageExt msgExt = MessageDecoder.decode(bb);
      foundList.add(msgExt);
    }
  } finally {
    getMessageResult.release();
  }
  return foundList;
}

private byte[] readGetMessageResult(final GetMessageResult getMessageResult, final String group, final String topic,
  final int queueId) {
  final ByteBuffer byteBuffer = ByteBuffer.allocate(getMessageResult.getBufferTotalSize());
  long storeTimestamp = 0;
  try {
    List<ByteBuffer> messageBufferList = getMessageResult.getMessageBufferList();
    for (ByteBuffer bb : messageBufferList) {
      byteBuffer.put(bb);
      storeTimestamp = bb.getLong(MessageDecoder.MESSAGE_STORE_TIMESTAMP_POSTION);
    }
  } finally {
    getMessageResult.release();
  }
  this.brokerController.getBrokerStatsManager().recordDiskFallBehindTime(group, topic, queueId, this.brokerController.getMessageStore().now() - storeTimestamp);
  return byteBuffer.array();
}

} catch (Throwable e) {
  log.error("transfer many message by pagecache exception", e);
  getMessageResult.release();

} catch (Throwable e) {
  log.error("transfer many message by pagecache exception", e);
  getMessageResult.release();