You could look at some of the results Eric wrote up about "realtime" searches over Wikipedia archives. This code is included with Accumulo source so you can take a look at it.

This was a long time ago, and the code could likely be improved, but it should give you some general ideas what an iterator framework can provide for low-latency results.

http://accumulo.apache.org/example/wikisearch.html

On 5/3/13 12:39 PM, Drew Pierce wrote:
does anyone have any anecdotal results (nothing formal) for queries to speak to 
the likes of impala and near low-latency.
Sent from my Android

Sorry if brief

                                        

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