Checkpointer & Thread
- Thread is similar to a chat session with a user.
- Every thread will have messages history
- By default langgraph does not rememeber previous conversations
- To remember the conversations (state across nodes) it needs to persist that, this can be done with the help of checkpointer.
- Simplest form of checkpointer is InMemorySaver. other checkpointers include Sqlite ….
- Refer Here for official docs
- Sqlite Checkpointer Refer Here
