I was aware of Babbage, but haven't used it.  There is a certain similarity
to the syntax, but I think most (if not all) of the things I listed
differentiate Narrator from Babbage, as well.  Please correct me if I'm
wrong.


On Sat, Nov 2, 2013 at 3:36 PM, Ben Wolfson <wolf...@gmail.com> wrote:

> seems kind of similar to babbage:
> https://github.com/ReadyForZero/babbage/tree/1.1
>
>
> On Sat, Nov 2, 2013 at 3:28 PM, Zach Tellman <ztell...@gmail.com> wrote:
>
>> https://github.com/ztellman/narrator
>>
>> This is a reimplementation of an approach I've discussed in several talks
>> [1] [2], with an eye towards performance, memory efficiency, and
>> flexibility w.r.t. how the event stream is represented.  The readme does a
>> good job of explaining how it works, but there have been a number of new
>> event processing libraries recently (core.async, EEP, etc.), so I'll spend
>> some time here describing how this differs.
>>
>> First, this library is focused on aggregations over event streams, not
>> arbitrary transformations.  It is designed such that these aggregations can
>> be automatically parallelized, and use non-thread-safe data structures
>> (such as those in the excellent stream-lib [3]) without having to worry
>> about coordination.  As such, within this narrower application it has a
>> richer set of operators, and should be a fair bit faster (millions of
>> messages/sec/core).
>>
>> Second, this has support for time-series analysis of ordered streams,
>> either historical or in real time.  The input for either type of analysis
>> can be normal sequences, core.async channels, or Lamina channels. At
>> Factual we use this for aggregations across many of our real-time systems,
>> and I also use it for both ad hoc queries and daily rollups of logs and
>> other historical data.
>>
>> On a personal note, I think this is one of the most interesting and
>> useful libraries I've written.  I'm really looking forward to seeing how
>> people use it, and encourage feedback on how to make it better.
>>
>> Zach
>>
>> [1] http://www.infoq.com/presentations/analyze-running-system
>> [2] http://vimeo.com/45132054#!
>> [3] https://github.com/addthis/stream-lib
>>
>> --
>> --
>> You received this message because you are subscribed to the Google
>> Groups "Clojure" group.
>> To post to this group, send email to clojure@googlegroups.com
>> Note that posts from new members are moderated - please be patient with
>> your first post.
>> To unsubscribe from this group, send email to
>> clojure+unsubscr...@googlegroups.com
>> For more options, visit this group at
>> http://groups.google.com/group/clojure?hl=en
>> ---
>> You received this message because you are subscribed to the Google Groups
>> "Clojure" group.
>> To unsubscribe from this group and stop receiving emails from it, send an
>> email to clojure+unsubscr...@googlegroups.com.
>>
>> For more options, visit https://groups.google.com/groups/opt_out.
>>
>
>
>
> --
> Ben Wolfson
> "Human kind has used its intelligence to vary the flavour of drinks, which
> may be sweet, aromatic, fermented or spirit-based. ... Family and social
> life also offer numerous other occasions to consume drinks for pleasure."
> [Larousse, "Drink" entry]
>
>  --
> --
> You received this message because you are subscribed to the Google
> Groups "Clojure" group.
> To post to this group, send email to clojure@googlegroups.com
> Note that posts from new members are moderated - please be patient with
> your first post.
> To unsubscribe from this group, send email to
> clojure+unsubscr...@googlegroups.com
> For more options, visit this group at
> http://groups.google.com/group/clojure?hl=en
> ---
> You received this message because you are subscribed to a topic in the
> Google Groups "Clojure" group.
> To unsubscribe from this topic, visit
> https://groups.google.com/d/topic/clojure/gXGVXgqd9Xs/unsubscribe.
> To unsubscribe from this group and all its topics, send an email to
> clojure+unsubscr...@googlegroups.com.
> For more options, visit https://groups.google.com/groups/opt_out.
>

-- 
-- 
You received this message because you are subscribed to the Google
Groups "Clojure" group.
To post to this group, send email to clojure@googlegroups.com
Note that posts from new members are moderated - please be patient with your 
first post.
To unsubscribe from this group, send email to
clojure+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/clojure?hl=en
--- 
You received this message because you are subscribed to the Google Groups 
"Clojure" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to clojure+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/groups/opt_out.

Reply via email to