[rabbitmq-discuss] How does Messages will be persisted in RabbitMQ?

Fri Aug 30 11:47:09 BST 2013

Thanks MK.

As you have mentioned Messages are not stored in Mnesia.  In my local
system I have configured RABBITMQ_BASE to \ect\
RabbitMQBase\db\rabbit at node1-mnesia Mnesia Mnesia under this "db" folder
created which is having "msg_store_persistent " and "msg_store_transient"
sub folders. So, can you please let me know where can I check messages
persistence.

Thanks in advace!!!

On Fri, Aug 30, 2013 at 3:58 PM, Michael Klishin <michael at rabbitmq.com>wrote:

> Rajasekhar P:
>
> > I would like to know, how the messages are stored in RabbitMQ server.
> Whether it is file level or DB level persistence?
>
> RabbitMQ uses its own storage layer for messages, not an external
> database. Certain parts of it are pluggable
> and can use K/V stores such as Tokyo Cabinet.
>
> >
> > And please let clarify me what is DISC, RAM and MNESIA
>
> Mnesia is a distributed database that RabbitMQ uses to store information
> about users, exchanges, queues, bindings, etc. Messages or message
> positions in queues are not stored in Mnesia.
>
> Mnesia can store data either in RAM or on disk, or both. You can learn
> about disk and RAM nodes
> on [1]. If you want to learn more about Mnesia, see [2], but
> you don't need to learn anything about it in order to use RabbitMQ.
>
> 1. http://www.rabbitmq.com/clustering.html
> 2. http://www.erlang.org/doc/apps/mnesia/Mnesia_chap1.html#id57488
>
> MK
>
>
>
>
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