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  • ElasticSearch In Action: video footage of my ElasticSearch presentation at PHP North West 2015 in Manchester

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21 Dec

ElasticSearch In Action: video footage of my ElasticSearch presentation at PHP North West 2015 in Manchester

Video footage of my ElasticSearch In Action by Thijs Feryn at PHP North West Conference 2015

On the 2nd, 3rd & 4th October 2015 I was in Manchester for the PHP North West Conference 2015 where I did an ElasticSearch presentation. I have been attending this conference since 2010 and this was my 4th edition as a speaker. I personally love this conference and I have a great deal of respect for Jeremy Coates, the organizer of the event.

Another thing I have to admit: the UK is my favorite audience. This was my 15th talk in the UK and the crowd has always been fantastic: very engaging, polite, funny. You name it.

Needless to say that I was really excited to speak at the 2015 edition of PHP North West Conference.

ElasticSearch

My ElasticSearch In Action talk was selected for the occasion. The talk was originally designed for the Future Of Web Apps conference in London the week after. But luckily I already had a few occasions to practice the talk.

The premise of the presentation is to explain what you can do with ElasticSearch rather than spending 50 minutes explaining what ElasticSearch is and how it is composed. People like action-packed presentations and that’s exactly what I gave them.

I promised I’d explain ElasticSearch in a single slide. These are the bullet points of that slide:

  • Full-text search database
  • NoSQL database
  • Analytics engine
  • Written in Java
  • Lucene based ( ~Solr)
  • Inverted indices
  • Easy to scale (~Elastic)
  • RESTFul interface (HTTP/JSON)
  • “Schemaless”
  • Real-time
  • ELK stack

The rest of the talk consisted of hands-on examples of  things you can actually do with ElasticSearch.

The video footage and slides

Curious to see the full presentation? Here’s the video footage. I did a fairly long intro, but that’s a crowd pleasing thing.

Unfortunately I ran out of time, which is a rare thing for me. But none the less the audience enjoyed the show and the Joind.in feedback was very positive.

I like the fact that the video production team did a split-screen where both my slides and my delivery on stage were visible.

I also embedded the slides in case you want to browse through the slides at your own pace.

All about the action: a couple of highlights

Without getting in too much detail, here are a couple of things I discussed in the talk:

  • ElasticSearch terminology versus RDBMS terminology
  • Inserting and retrieving documents
  • Explicit mapping versus schemaless approach
  • Analyzers, or how ElasticSearch deals with human language
  • The difference between queries and filters
  • The tremendous power of the built-in  search DSL
  • Relevance sorting
  • Aggregations, AKA “Group By On Steroids”
  • Multi-database, multi-table and wildcard-based searches
  • Clustering ElasticSearch
  • The “cat” APIs
  • The “ELK” stack
  • Accessing ElasticSearch from your code

Tags:analyticsbig dataconferenceelasticsearchmanchesternosqlphpphpnwphpnw14presentationsearchtalk
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