At the end of November, we’ll be migrating the Sematext Logs backend from Elasticsearch to OpenSearch

October 10, 2024
18 minutes read

Java Logging Basics: Concepts, Tools, and Best Practices

Imagine you're a detective trying to solve a crime, but all the evidence is invisible.  Sounds impossible, right?  That's exactly what it's like trying to debug a Java application without proper logging.  Java logging is your magnifying glass, your fingerprint kit, and your trusty notepad all rolled into one. It's the unsung hero that helps…
Read more

GDPR: Top 5 Logging Best Practices

The rather broad definition of personal data in the GDPR requires paying special attention to log data. GDPR and personal data in web server logs is a popular topic in

Top 10 Engineering Changes in 2017

2017 was a good year for Sematext in many ways. On the engineering side of the organization, we've made a number of changes that had a positive impact and paved

IoT: Air Pollution Tracking with Node.js, Elastic Stack, and MQTT

What can you do with a couple of IoT devices, Node.js, Elasticsearch, and MQTT?  You can put together your own Internet of Things setup for measuring air pollution, like I

Elasticsearch online training classes in 2018

Since we’ve been working with Elasticsearch on a daily basis for more than 7 years now and know so much about it, we like helping others improve their knowledge of

Solr online training classes in 2018

Since we’ve been working with Solr on a daily basis for over a decade now and know so much about it, we like helping others improve their knowledge of these

Rsyslog eBook: Centralized Logging with Rsyslog

Centralizing logs to Elasticsearch? Of course, the first log shipper that comes to mind is Logstash. When you get into it, you realize centralizing logs often implies a bunch of

AWS Elasticsearch Service vs. Elasticsearch on EC2

Many of our customers use AWS EC2. In the context of Elasticsearch consulting or support, one question we often get is: should we use AWS Elasticsearch Service instead of deploying Elasticsearch ourselves? The

Top 10 Docker Logging Gotchas

Docker changed not only how applications are deployed, it also changed the workflow for log management. Instead of writing logs to files, containers write logs to the console (stdout/stderr) and

Solr Streaming Expressions for Collection auto-updating

One of the things that were extensively changed in Solr 6.0 is the Streaming Expressions and what we can do with them (hint: amazing stuff!). We already described Solr SQL

Solr 6, SolrCloud and SQL Queries

With the recent release of Apache Lucene and Solr 6, we should familiarize ourselves with the juicy features that come with them. We have the new default Similarity implementation -