Monitoring Kafka is a tricky task. As you can see in the first chapter, Kafka Key Metrics to Monitor, the setup, tuning, and operations of Kafka require deep insights into performance metrics such as consumer lag, I/O utilization, garbage collection […]
Open Distro for Elasticsearch Review
Over the years the adoption of Elasticsearch and its ecosystem of tools positioned them as the leaders in the time series data management and analysis market. With strong search capabilities, great analytical engine, Kibana as the flexible frontend and a […]
Using Solr to Tag Text
Over the years, natural language processing, in the world of search, went from interesting detail to a must have, especially in areas such as e-commerce. Engineers started incorporating classification, synonym generation, named entity recognition and much more into their search systems […]
Solr Learning To Rank and Streaming Expressions
During the Entity Extraction For Product Searches talk that Radu Gheorghe and I gave at Activate conference in Montreal last year, we talked about various natural language processing and machine learning algorithms. We showed entity extraction both on top of Solr and using […]
Solr 7 – New Replica Types
Last updated on Jan 8, 2018 With the release of Solr 7 the community around it produced yet another great version of this search engine. As usual, there is an extensive list of changes, bug fixes and improvements that were […]
Shipping data to AWS Elasticsearch with Logagent
Elasticsearch is already quite popular and its popularity just keeps growing. Looking at Google Trends chart for the last 5 years shows this nicely: There are a number of reasons why Elasticsearch is popular: it is very easy to get […]
Top 15 Solr vs. Elasticsearch Differences
Last updated on Jan 11, 2018 Solr vs. Elasticsearch. Elasticsearch vs. Solr. Which one is better? How are they different? Wondering if Solr is a good Elasticsearch alternative or if Elasticsearch is the best Solr alternative? You’re not alone! Our […]
Introducing Instant Templates and Mappings
Logsene, our hosted ELK stack now part of Sematext Cloud, exposes the Elasticsearch API. As a Logsene user you may or may not be aware of this. If you have experience with Elasticsearch though, if you’re aware of its rich […]
Solr V2 API – Quick Look
Last updated on Jan 11, 2018 We are all used to the Solr API that has been present in Solr from its beginnings. We send the data using HTTP protocol, we include all parameters in the URL itself, and we […]