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Which type of database will be best for a chat application?
Redis is a popular example at the moment. Personally I use RabbitMQ (Messaging that just works ). Use Redis for realtime broadcasting data and data caching. For storing your data i suggest you use MongoDB or MYSQL.
Is DynamoDB good for chat?
Since we’re architecting a chat application which requires a significant amount of key lookups and fast writes/reads, DynamoDB is a perfect fit.
Is MongoDB good for chat application?
Yes, It fits in. For a chat application you might be using Java(sockets) or nodeJs. Lot of instant data transfers need to be saved and retried. MongoDB is a Nosql, where the schema have not restrictions.
How chats are stored in database?
You can store message by message in the DB having send to, send from and date time like fields, meaning one message per record. Or you can also save session based message history at once per record, and it may contain several messages per record.
How do chat apps store messages?
Client-side messenger apps do not utilize servers to store messages. When a user sends a message, it is authenticated by the central server and encrypted by an asymmetric cryptography algorithm, which is often called public-key cryptography. The message is delivered to the recipient via a wireless mesh network.
What is AppSync AWS?
AWS AppSync is a new service in Public Preview that enables you to manage and update mobile app data in real-time between devices and the cloud, and allows apps to interact with the data on the mobile device when it is offline.
Does AWS amplify use DynamoDB?
With today’s Amplify CLI release, we’re extending the newly announced import capability to S3 buckets and DynamoDB tables. This will enable your REST API, Functions, and, Predictions category to access these storage resources.
Where do you store messages?
In general, Android SMS are stored in a database in the data folder located in the internal memory of the Android phone.
Do I need a database to store the chat messages?
If you can avoid the need for concurrent writes to a single file, it sounds like you do not need a database to store the chat messages. Just append the conversation to a text file (1 file per user\\conversation). and have a directory/ file structure
What is the best RDBMS for a chat app?
Aerospike can also proove to be helpful for this use case. I would consider PostgreSQL – it’s a perfect RDBMS for me and can also handle NoSQL better than some NoSQL databases. That being said, Cassandra is also a possible option as well. I’m here a couple days later ALSO considering a chat app.
How to choose a good dB for a chat app?
Pick a respectable DB that is well documented and stick with it until the chat does start slowing down. I don’t want to encourage technical debt, but having a small scale app with a few users that works is much better than a small scale app with no users because its too complicated to setup.
Should chatchat be a Map-Reduce based architecture?
Chat should not be a map-reduce based architecture because of its realtime nature. My rule of thumb is if its got to be served to an end user, it cannot be an MR job. I would also imagine chat favors availability over consistency (but then why Facebook).