Elasticsearch Deep Dive
Cross-cluster search, ingest node, rollover API, shrink API, field collapsing, unified highlighter . . . there's lots to love in Elasticsearch these days. Get up to speed on all things 5.x and see how 6.x will address pain points around scale, upgrading, recovery, and sparse data and disk usage.
Simon Willnauer is an Apache Lucene core committer, an Apache Software Foundation Member, and a co-founder of BerlinBuzzwords. Involved with Apache Lucene since 2006, he has contributed to several other open source projects within and outside the Apache Software Foundation, and in recent years led the design and implementation of numerous scalable software systems and search infrastructures.