On Thu, Jan 19, 2012 at 2:53 AM, Andrew Hume <[email protected]>wrote:

> on the other hand, i don't get this use case.
> can anyone share why we need this complexity of subscription stuff?
> someone mentioned having tens of thousands of "topics" -- what is this
> about?
>

Tens of millions of topics is the case we have.

We want to do exact matching for two reasons:
 * The trie uses a metric shit ton of memory, exact matching would allow us
to use less memory with comparable throughput.
 * We need exact matching semantics to do other funky stuff to handle our
load, e.g. sharding of subscription information.

/S
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