Resiliency in Elasticsearch

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Textkernel B.V. (Amsterdam Office)

Nieuwendammerkade 28A-17 1022AB · Amsterdam

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First event in the new series of Textkernel Talks will be Boaz Leskes' talk on Resiliency in Elasticsearch. As an opening, Textkernel will give a short overview of their technologies.

As always, we will close with drinks and pizzas.


18:30 Doors open, drinks, networking
19:00 Textkernel talks about their technologies
19:30 Boaz Leskes talks about Resiliency in Elasticsearch
20:30 Q&A, drinks, pizzas, more networking

Talk details

As the leader in Semantic Recruitment Technology, Textkernel is set on perfecting the document understanding as well as handling of complex queries on highly structured data. In this introductory talk, Textkernel will give a short overview of their technologies, paving the path for more in-depth follow-up talks on each of the individual topics.
As one of the most popular search engines based on Apache Lucene, Elasticsearch recognizes the crucial importance of being resilient to hardware and network failure. This is why Elastic invests a lot to enable Elasticsearch and Apache Lucene detect and cope with increasingly complex failures. Elasticsearch’s lead developer, Boaz Leskes, will cover the recent highlights and future plans of the company’s resiliency strategy. He will explain all aspects of Elasticsearch, ranging from the lowest level of a single file, through network connection of a single node, and all the way up to distributed failures on the cluster level. Even though the talk is about possible failures and various coping strategies, participants will also get an interesting peek under the hood and learn about the inner workings of Elasticsearch.
Speaker Bios

Darko Zelić is a core product developer and a recognised innovator at Textkernel. When he's not busy creating award-winning prototypes, he's working on improving Textkernel's flagship semantic search application, Search!. Even as a technology agnostic and a programming polyglot, he gravitates towards Java, JavaScript and PHP. Based in Amsterdam, he's a big fan of hackathons, craft beer, digital photography and black metal. Twitter: @dachaz (
Boaz Leskes is an Elasticsearch Core and Lead Developer of Elasticsearch Marvel. He’s also the author of Sense, a popular frontend for Elasticsearch. Boaz’s diverse experience includes working with C++, C#, Python, Java, and JavaScript. Based in Amsterdam, he’s a big fan of faceting, Lucene, monitoring, and search. Twitter: @bleskes (