btw,

start simple and just see if you can scan the lines without doing anything 
in particular.
Then take some sub sequence:  (take 100 my-line-seq)
Play in the repl to start building up the data you want. See what you get 
and work from there.

D

On Sunday, 21 October 2012 19:05:42 UTC+11, Dave Sann wrote:
>
> Look at:
>
> http://clojuredocs.org/clojure_core/clojure.core/line-seq to get a lazy 
> sequence of lines of the file.
>
> I don't think that there is any need to sort here. (I think sorting wont 
> help anyway because some lines are seem to be only identifiable based on 
> the thread id in the current sequence)
>
> Process each line and build up the result data structure as you go. 
> http://clojuredocs.org/clojure_core/clojure.core/assoc-in may help you 
> for a nested map.
> Do not hold on to the head of the line seq and you should be able to 
> process this without too much problem.
>
> (if the data structure you build up is itself too large, you may need to 
> write out result data as you see each ReqEnd. In this case, dissoc that 
> record so it can be garbage collected)
>
> Dave
>
>
>

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