This Week in Elastic: ICYMI: Elasticsearch 1.5.2 and 1.4.5 were released

By Leslie Hawthorn

Welcome to This Week in Elastic! In this weekly round up post, we bring you news on all aspects of the ELK Stack, including updates on Elasticsearch, Logstash and Kibana development, tips and tricks and upcoming events.

Elastic News

Useful blog posts, how tos, tutorials and articles from the wide world of all the ELK stack ecosystem.

  • Check out our weekly deep dive into the latest developments in Elasticsearch and Apache Lucene.
  • We've also got the latest on Logstash, including details on the latest 1.5 RC3 release and some groovy community contributions!
  • Curious about fixes and new features going into the Kibana 4.1 release over the past week? Read on: Kurrently in Kibana.
  • ICYMI: Elasticsearch 1.5.2 and 1.4.5 were released on Monday. These releases fix a directory transversal vulnerability and all users are advised to upgrade. See the full details in the release blog post
  • An important feature has been added to the Ruby on Rails integration library: the ability to search across multiple models. Many thanks to Miguel Fernández for the implementation! (Issue)
  • 500 Billion Documents! Check out how Verizon scaled Elasticsearch from a log analytics proof of concept to a 128-mode production system handling 20 billion documents per day. 
  • Heard all about our Logstash User Survey? You can read all about the results, our methodology and how you can analyze the data yourself to do neat stuff. Many thanks to all those who participated, and especially to those of you who volunteered to speak at user groups! You'll hear from Elastic's Developer Relations team soon with news on how we can connect you to cool meetups near you. 
  • Nathan LeClaire shared an excellent how to on automating Docker logging using the ELK stack and Logspout. Lots of sample code included to help you get started. 
  • Robin Moffat authored a deep dive article on analyzing an open data set from Donor's Choose - a US charity - with the ELK stack. Complete with instructions on how to ingest the data set and a walk through of data discovery using Kibana 4. 
  • Want to know more about how Kibana 4 works under the hood? Gilly Bar does a detailed walkthrough of K4's client side code. General AngularJS fan? This post will make your day with all its juicy details.

Slides and Videos

Pere Urbon-Bayes' Logstash stories from the trenches

From the oldies but goodies files: Tour of an Elasticsearch Application by Nik Everett

Where to find Us

We'd love to feature all the great Elasticsearch, Logstash, and Kibana presentations and meetups happening worldwide in this section. If you're speaking about the ELK stack or hosting a meetup, let us know!


Samir Bennacer will take the stage at Voxxed Days Algiers to present An Introduction to the ELK Stack. This first ever conference takes place May 23, and Samir's talk is on for 2:00 PM.


The Melbourne Search Users Group will meet up on May 19 for a talk from Movideo: Migrating from Hibernate Search to Elasticsearch. Register now to save your seat. We're pretty sure our very own Mark Walkom will be joining you, too!


The Vienna Elasticsearch Meetup will convene on May 12 to hear from Alexander Reelsen on Elasticsearch Under the Hood. Register now to save your seat.


If you're attending the upcoming Open Stack Summit in Vancouver, make sure to catch the In Search of OpenStack Logs: A Hands-On Workshop session. OpenStack Summit runs May 18-22.

Czech Republic

Our very own Karel Minařík will be on hand for Q&A on Elasticsearch in Prague on May 7. You can RSVP for this talk on Facebook.



The Elasticsearch France Meetup returns to Paris on May 26. Watch this space so you know when we open up RSVPs!


  • Our partner firm, Trifork, has organized a Berlin GOTO Night with our very own Pere Urbon addressing Making Sense of Your Data. The GOTO Night takes place on May 13 and registration is free of charge.
  • And because we know you can't get enough of Pere, check out his talk at the May Berlin DevOps Meetup on May 20, where he'll talk Scaling Logstash: A Collection of War Stories. Register now to save your seat.
  • The Stuttgart Elasticsearch Meetup will get together on May 21 to talk Shield: Securing Elasticsearch. Register now to save your seat.


We've got dueling meetups in Tel-Aviv Yafo on May 26:

  • Israel AWS User Group: How to Use ELK to Monitor Large-Scale AWS Environments - RSVP
  • Big things are happening hear meetup: Geo Data analytics & Real-world use cases for Elasticsearch - RSVP


Ruslan Zavacky will present on all things Elasticsearch at LatCraft's NoSQL and Data event on May 5. Register now to save your seat and get introduce to Elasticsearch!


Our partner firm, Comperio Search, will host a breakfast learning session on all things Elasticsearch on May 6. You'll hear from Elastic's Solutions Architect Christian Dahlqvist amongst other speakers. Attendance is free of charge, but registration is required.


The Merge Lisbon Meetup Group will get together on May 14 to talk about the ELK stack. Register now to hear from our very own Logstash engineering team member João Duarte.

South Africa

On Tonight!



Voxxed Days Istanbul is coming up on May 9. Join David Pilato to learn all about Advanced Search for Your Legacy Application Using Elasticsearch. David takes the stage at 11:30 AM.

United Kingdom

  • The London Elasticsearch Meetup will next convene tonight, April 29 for casual drinks and Q&A with the Elastic developer team. Register now to let us know you're coming!
  • The DevOps London Exchange meetup will welcome Richard Pijnenburg, creator of Elastic's Puppet Modules for Elasticsearch and Logstash, to talk using Puppet to setup and manage your Elasticsearch Prod/QA/Dev/Testing/Staging clusters. Register now to save your seat - at time of writing, there were only 6 left!
  • Attending Strata + Hadoop World in London? Excellent, so are we! You can get your questions answered at Booth 408 in the exhibits hall, and make sure to catch Costin Leau on Search Evolved: Unraveling Your Data on Thursday, May 7 at 10:55 AM.

Not heading to Strata London? You can still see Costin speak!

United States - East

  • The Detroit Python User Group will convene, tonight, April 29 to talk Python and Elasticsearch. Register now to attend.
  • The DevOps and Automation New Jersey Meetup will get together on May 12 to hear from Peter Kim on How to start using the ELK stack to centralize All The Things and gain visibility into your data. RSVP now to save your place.
  • The Detroit Elastic User Group will hold its inaugural meeting on May 27, where Peter Kim will reprise his talk from the DevOps and Automation New Jersey Meetup. Register now to save your seat.

  • United States - West

  • Join the folks from LinkedIn for a meetup on their use of the ELK stack, tonight, April 29, which they are kindly hosting in their Mountain View, California office. Tal Levy of Elastic will also be speaking about Logstash and Apache Kafka. Register now to save your space.
  • Attending the Open West Conference? You can hear from our very own Aaron Mildenstein and Tyler Langlois on various topics, from starting your career in open source to all things ELK stack. Plus, we'll have a booth on the show floor so you can get all of your questions answered. Open West runs May 7-9 in Orem, Utah.
  • The Orange County MongoDB Users Group will get together on May 7 to talk Elasticsearch and MongoDB. Register now to save your seat.
  • Does your whale need an ELK buddy? Join the Seattle User Group on May 18 to hear all about using Docker together with the ELK stack. Register now to save your seat.
  • Heading to Gluecon? Great, so are we! You can visit us in the exhibits hall to get questions answered throughout the conference, and make sure to check our Aaron Mildenstein's talk: An Introduction to the ELK stack. Gluecon runs May 20-21 in Broomfield, Colorado.
  • If you're not heading to Gluecon but find yourself in Denver, you can still hear from our awesome Gluecon speaker, our newest Developer Advocate, Shaunak Kashyap, and Bitly's engineering team on their Elasticsearch user case. Register now to save your place for the Denver Meetup coming up on May 18!
  • On May 28, the Elasticsearch Dallas Fort Worth Meetup will convene to talk going into Production with Elasticsearch. Register now to save your place.
  • Where to Find You

    PSST! If you're a regular reader, you're thinking of skipping this section. You may even be thinking to yourself, yes of course I will drop a note on Twitter when I am giving a talk on all things ELK. That's awesome, because we'd like to showcase every meetup, conference presentation and workshop on Elasticsearch, Logstash, and Kibana happening worldwide. And now, we've made it even easier for you to get support for your meetup!

    Head on over to  our meetups page! (And we'll still totally send you swag if you're giving a talk on anything ELKy at a conference.)

    Oh yeah, we're also  hiring. If you'd like us to find you for employment purposes, just drop us a note. We care more about your skill set and passion for Elasticsearch, Kibana, and Logstash than where you rest your head.


    If you are interested in Elasticsearch training we have courses taught by our core developers coming up in:

    • Copenhagen - May 6, 2015 (Core Elasticsearch)
    • Mountain View - May 12, 2015 (Hands-On Workshop)
    • Denver - May 18, 2015 (Core Elasticsearch)
    • Hamburg - May 19, 2015 (Core Elasticsearch)
    • Southwest Washington DC - May 19, 2015 (Core Elasticsearch)
    • Vancouver - May 20, 2015 (Core Elasticsearch)
    • Bangalore - May 25, 2015 (Hands-On Workshop)
    • Paris - May 26, 2015 (Hands-On Workshop)
    • Bangalore - May 26, 2015 (Core Elasticsearch)
    • Miami - May 27, 2015 (Core Elasticsearch)
    • Paris - May 27, 2015 (Core Elasticsearch)
    • Sao Paulo - June 2, 2015 (Hands-On Workshop)
    • Sao Paulo - June 3, 2015 (Core Elasticsearch)
    • New York - June 16, 2015 (Hands-On Workshop)
    • San Francisco - June 16, 2015 (Hands-On Workshop)
    • New York - June 17, 2015 (Core Elasticsearch)
    • San Francisco- June 17, 2015 (Core Elasticsearch)
    • Bangalore - June 22, 2015 (Hands-On Workshop)
    • Amsterdam - June 23, 2015 (Hands-On Workshop)
    • Bangalore - June 23, 2015 (Core Elasticsearch)
    • Manchester - June 23, 2015 (Hands-On Workshop)
    • Toronto - June 23, 2015 (Hands-On Workshop)
    • Amsterdam - June 24, 2015 (Core Elasticsearch)
    • Manchester - June 24, 2015 (Core Elasticsearch)
    • Toronto - June 24, 2015 (Core Elasticsearch)
    • Chicago - June 24, 2015 (Core Elasticsearch)