>>If you need transactional in your operations, you can use optimistic&serializable transactions by implementing and registering a receiver into your datastreamer as explained here
>> https://apacheignite.readme.io/docs/transactions#deadlock- free-transactions >> and for datastreamer here https://apacheignite.readme.io/docs/ data-streamers#streamreceiver Very good point, Fatih! I will add this to java docs.
