2014年02月5日

This Week in Elasticsearch - February 05, 2014

By Alexander Reelsen

Welcome to This Week in Elasticsearch. In this roundup, we try to inform you about the latest and greatest changes in Elasticsearch. We cover what happened in the GitHub repositories, as well as many Elasticsearch events happening worldwide, and give you a small peek into the future of the project.

Elasticsearch core

  • Elasticsearch 0.90.11 and 1.0.0.RC2 have been released earlier this week
  • REST APIs: Fixed potential NullPointerException when using source parameter (#4924, master, 1.x, 1.0 and 0.90)
  • cat API: Added dedicated thread_pool endpoint (#4907, master, 1.x, 1.0)
  • Scroll REST API: Support source parameter (#4941, master, 1.x, 1.0 and 0.90)
  • Snapshot/Restore API: Add throttling to snapshot and restore operations (#4855, master, 1.x, 1.0)
  • Aggregations: Sorting terms agg by sub-aggregation did not respect sorting when executed on a single shard (#4951, master, 1.x, 1.0)
  • REST Get Field Mapping API: Fix possible NullPointerException caused by a non existing field (#4953, master, 1.x, 1.0)
  • Plugins: Add version information (#2784, master, 1.x, 1.0)
  • Query API: Cache date range filters that use now with rounding (#4947, master, 1.x, 1.0 and 0.90)
  • Snapshot/Restore API: Unify handling of booleans (#4949, master, 1.x, 1.0)
  • Query API: Filtered query parses _name incorrectly (#4960, master, 1.x, 1.0 and 0.90)
  • Mapping: Binary fields are not stored by default anymore (#4957, master, 1.x, 1.0)
  • Allocation: Add explanation for allocation deciders (#4934, master, 1.x, 1.0 and 0.90)
  • Mapping: copy_to doesn't support boosting anymore, as it was not reliable (#4972, master, 1.x, 1.0)
  • Completion Suggest: Prevent possible NullPointerException (#4970, #4788, master, 1.x, 1.0 and 0.90)
  • Lucene RamUsageEstimator: Remove and prevent usage of the estimator due to performance (commit, commit, master, 1.x, 1.0 and 0.90)
  • Mapping: Add fields support to geo_point and completion types to properly support multi_field upgrades from 0.90.x (#4963, master, 1.x, 1.0)
  • Query API: Make parent/child queries work with non-default similarity (#4979, master, 1.x, 1.0 and 0.90)
  • Query API: multi_match query parsing has been improved (#4964, master, 1.x, 1.0 and 0.90)
  • Lucene: Removed the in memory buffer Lucene store/directory (#4994, master, 1.x)
  • Aggregations: ScriptBytesValues.currentValueHash is wrong (#5004, master, 1.x, 1.0)
  • Aggregations: value_count aggregations supports now scripts (#5001, master, 1.x)

Elasticsearch Ecosystem

Here's some more information about what is happening in the ecosystem we are maintaining around Elasticsearch, including plugin and driver releases, and news about Logstash and Kibana.

Slides & Videos


Honza Kral's presentation from FOSDEM 2014. Video will be published in a forthcoming This Week in Elasticsearch.


Maggie Nelson on how Findery uses Elasticsearch to solve their unique geo challenges

Where to find Us

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Honza Kral and Leslie Hawthorn kick off the FOSDEM 2014 festivities with a talk on all things Elasticsearch, Logstash and Community at the Benelux Meetup

We'd love to feature all the great Elasticsearch, Logstash and Kibana presentations and meetups happening worldwide in this section. If you're speaking or hosting a meetup, let our Community Manager, Leslie Hawthorn, know!

Czech Republic

Honza Kral will give two presentations at DevConf.cz: Design for Cloud with Elasticsearch and Centralized Logging with Logstash. Honza's presentations take place on Friday, February 7th, and the conference runs from the 7th through the 9th.

France

Germany

Japan

Thanks to Jun Ohtani, the 3rd Elasticsearch Meetup will be held in Tokyo on February 7th starting at 7 PM. Please remember to register for the meetup.

Sweden

The 4th Stockholm Elasticsearch Meetup has just been scheduled for February 5th. Karel Minařík will cover Elasticsearch and Chef, and Honza Král will discuss What's New in 1.0 with Aggregations.

United Kingdom

United States

  • The Elasticsearch DC Meetup will get together tonight, February 5th at 6:30 PM. Attendees will be treated to an in depth look at how NGP VAN uses Elasticsearch.
  • The next Elasticsearch Boston Meetup will take place on February 6th. Attendees will be treated to an open Q&A from Elasticsearch creator Shay Banon, plus a series of lightning talks. Doors open at 6 PM.
  • The Search and Machine Learning Seattle Meetup group will welcome Steve Mayzak on February 6th. Steve will present on Elasticsearch, Logstash and Kibana. Doors open at 7 PM.
  • Several folks from Elasticsearch will be attending the Strata Conference from February 11-13th in Santa Clara, California. Stop by our booth to say hello!
  • The Boston Azure User Group will convene on February 20th at 6 PM. Chris Morley will present on Elasticsearch Running on Linux in Azure.
  • Leslie Hawthorn, Kevin Kluge and Jordan Sissel will all be presenting at the 12th Annual Southern California Linux Expo, a.k.a. SCALE 12x. If you can't catch the talks, make sure to stop by our table to say hello. SCALE runs from February 21st-23rd.
  • The second Los Angeles Elasticsearch Meetup will be held on Friday, February 21st at SCALE 12x. Join us for casual discussion and refreshments. You don't have to be attending SCALE to come to the meetup, but the organizers have offered a generous discount on conference passes to meetup attendees. We'll get together at starting at 7 PM.
  • The Elasticsearch Denver Meetup group will be getting together on February 24th to hear about Automattic's use of Elasticsearch. Doors open at 6:30 PM and Elasticsearch core developer Lee Hinman will also be on hand for Q&A.
  • The Elasticsearch San Francisco Meetup group will focus on Benchmarking, Autoscaling and Deployment Automation at their next meetup. Elasticsearch core developers Uri Boness and Andrew Selden will be on hand for Q&A following the presentations. Doors open at 6:30 PM on February 27th.
  • We've set the date for the first ever Elasticsearch Portlandia Meetup on March 4th. Steve Mayzak will cover Elasticsearch 1.0 - Whats new and how are people using it?Our community manager, Leslie Hawthorn, will also be visiting from Europe. She's looking forward to hearing from everyone about what could be done to make your lives as Elasticsearch users better.

Where to Find You

Our Community Manager, Leslie Hawthorn, is hard at work to help folks create more Elasticsearch meetup groups and to help meetup organizers find more speakers. If you are interested in either effort, take a moment to let her know.

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 Elasticearch, Kibana and Logstash than where you rest your head.

Trainings

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