Hello there,
Ah, much better when able to communicate in full sentences without 140 chars 
limit! ;-)
( https://twitter.com/mrt1nz/status/492676432410447872 

So, now that it’s spelled out as full sentences, I’ll gladly dig into your 
points:

1) 
Has been already proposed and accepted in 
https://github.com/akka/akka/issues/15004,
including your +1, so I guess you’re aware that it’s in our backlog.

The module is experimental and published “early” exactly in order to gather,
and implement these features before stabilising the APIs.

So it’s coming, we simply have not yet gotten to implementing it - it’s holiday 
season, which isn’t helping development speed :-)

2) 
For the benefit of the discussion, example in EventStore: 
http://geteventstore.com/blog/20130707/catch-up-subscriptions-with-the-event-store/

One thing to keep in mind here is that some Journals would have no problem 
implementing this, such as Kafka or EventStore - because it’s a built in 
mechanism to “subscribe to something” in them… See Martin’s Kafka journal and 
how one can subscribe to a event stream there: 
https://github.com/krasserm/akka-persistence-kafka#journal-topics On the other 
hand implementing this in other Journals would be pretty painful / inefficient 
(cassandra, hbase, …).

We were playing around with some ideas to expose optional db specific journal 
functionalities. This would be a good candidate for this.

This request seems to depend on these things by the way: 
* changes in the journal plugins (we some changes there anyway 
https://github.com/krasserm/akka-persistence-kafka#journal-topics ),
* views over “tags" (as this would essentially be a view over “all”),
* and lastly reactive-streams (views exposed as streams of events).


Thanks for your feedback and keep in mind that no-one said that this module is 
“done”.
It’s still experimental and this kind of feature requests are exacly what we 
need and will have to provide to make it stable and usable in all kinds of apps.

Lastly, would you mind creating a ticket for the 2) feature?
Thanks in advance, have a nice weekend :-)

-- 

Konrad 'ktoso' Malawski
hAkker @ typesafe
http://akka.io

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