We've been working on a project for a customer which uses Logstash to read messages from Kafka and write them to Elasticsearch. It also parses the messages into fields, and depending on the content type does DNS lookups (both forward and reverse.)
While performance testing I noticed that adding caching to the Logstash DNS filter actually reduced performance, contrary to expectations. With four filter worker threads, and the following configuration:
We're very happy to announce our partnership with Confluent, which was founded by the creators of Apache Kafka, a stream data platform and the central component of their Confluent Platform. Flax has been aware of Kafka since its inception at LinkedIn, where it is used as the messaging backb...Continue reading
We've been working on a number of projects recently involving open source software often quoted as 'Big Data' solutions - here's a quick overview of them.
The grandfather of them all of course is Apache Hadoop, now not so much a single project as an ecosystem including storage and processing for potentially huge amounts of data, spread across clusters of machines. Interestingly Hadoop was originally created by D...Continue reading
Last week Elastic, the company behind Elasticsearch, landed in London for one of their current series of one-day events. The £50 entrance fee has been put to good use, raising £16750 for AbilityNet who work on accessible IT - a very generous offer by Elastic.
Shay Banon, creator of Elasticsearch, kicked off...Continue reading
The Elastic London User Group Meetup this week was slightly unusual in that the talks focussed not so much on Elasticsearch but rather on how to scale the systems around it using other technologies. First up was Paul Stack with an amusing description of how he had worked on scaling the logging infrastructure for a major restaurant booking website, to cope with hundreds ...Continue reading
I was lucky enough to attend the London ElasticSearch User Group's Meetup last night - around 130 people came to the Goldman Sachs offices in Fleet Street with many more on the waiting list. It signifies quite how much interest there is in ElasticSearch these days and the event didn't disappoint, with some fascinating talks.
Hugo Pickford-Wardle from Continue reading