[rabbitmq-discuss] Some simple problems about Clustering

[韩旭]

hello everyone, 
I come across some questions.
1.
quote:
"A node can be a RAM node or a disk node. RAM nodes keep their state only in memory (with the exception of the persistent contents of durable queues which are still stored safely on disc). Disk nodes keep state in memory and on disk."


I wonder what does the "state" mean on earth. It is just "the state of the cluster" or includes the messages?


2.if the ram of a ram node is full or reach the "alert" level, how does it process new messages? Save them on the disk or just throw away?  Will a ram node occupy disk space? if Yes, what is the category?


Thanks all
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