This document is designed to be viewed as a reveal.js slide show presentation. You can either read/print the contents of the presentation (and the speaker notes) below, or click here to view as slides. (Please consult the reveal.js docs for information on how to control the slideshow once it's started)

A ZIP file of this presentation, is available for offline perusal.

Stump The Chump

A Retrospective

Boston Meetup - 2015-10-28


WTF is Stump The Chump?


SF, 2011 (5:20): 2nd Prize

  • Best solution 4 years ago was sampling
    • only worked in single node case
  • Native (distributed) stats component feature today (via T-Digest approximations)

Complex Filtering

  • Recurring Theme...
  • Many new tools over the years...
    • cache=false local param & LFU Caches for smarter caching
    • Post Filtering to pull expensive/external criteria into a (last resort) Solr Filter
    • Very new "FOO OR filter(...)" query syntax for caching individual pieces of complex Boolean Queries

Deep Paging

San Diego, 2013 (1:09:28): 2nd Prize

  • Solr now has native "Cursor Mark" support
  • Implements the exact type of work around logic discussed in the video

Driving Distance

DC, 2014 (No Video): 3rd Prize

  • Not something Solr is likely to support natively anytime soon
  • Very specialized engines needed to do efficiently (ex: GraphHopper)
  • Can use native distance sort, combined with Top-N re-ranking using custom (external) ValueSource

Equally Full Range Buckets

Austin, 2015 (Video Soon): 2nd Prize

  • Numeric stats (min, max, mean, stddev, percentiles) make heuristics possible
  • Flawed premise, bad UI
  • Rethink your goals