Rails to XMPP with Redis
Now, whenever we need to pass a message to the XMPP server from the webapp, we stick it into a special Redis list. The proxy-component is now connected to the XMPP server and also connected to Redis. Using Redis' BLPOP feature, the proxy-component 'listens' to the list, and forwards any new messages to the XMPP server. BLPOP is especially suited for this setup since it blocks the redis connection till a new item shows up in the list, making it quite zippy (otherwise you'd have to poll the list every few seconds, not as great or fast).
tags:Redis
via NoSQL databases
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