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*-coffee-script

• | || & && operators are dropped. Use or, and. You can apply it to bool or int type.

GridGain

• SS is not ACID by default, and SS has no rich distributed primitives for syncronization.
• SS is not Java-friendly by default.

Akka

• In SS function is not Actor. Multiple functions can be fused in single function.
• You can't send message to function without specifying connection. Function doesn't have email for recieving messages.
• You can see message queue in reciever function, but it's not recommended as common practice.