Brooklyn, NY, USA
May 21, 2020   |  By Amir Hadi
Staying in control of your users’ digital experience and their level of satisfaction is the most important thing you can do as a software-based business. Yet, that’s impossible to do without tools that enable you to visualize how customers interact with your app or website from their perspective. They give you the data you need to understand how your webapp or website is performing and avoid slow pages or screens that make your customers run in the direction of your competitors.
May 4, 2020   |  By Rafal Ku
Apache Solr was always ready to be extended. What was only needed is a binary with the code and the modification of the Solr configuration file, the solrconfig.xml and we were ready. It was even simpler with the Solr APIs that allowed us to create various configuration elements – for example, request handlers. What’s more, the default Solr distribution came with a few plugins already – for example, the Data Import Handler or Learning to Rank.
Apr 28, 2020   |  By Radu Gheorghe
If you’re using Linux, I’m sure you bumped into journald: it’s what most distros use by default for system logging. Most applications running as a service will also log to the journal. So how do you make use of these logs to: In this post, we’ll answer all the above and more. We will dive into the following topics: There are lots of other options to centralize journal entries, and lots of tools to help.
Apr 22, 2020   |  By sematext
User experience (UX) is everything today. Poor digital experience can easily and quickly reflect in your client list and thus, your bottom line. It starts from the first user interaction with your website or webapp and ends with… well, it never quite ends. User experience is, in fact, a continuous process that goes on and on until the user decides to stop using your product.
Apr 13, 2020   |  By Adnan Rahi
What is the most important feature an Express.js application can have? Maybe using sockets for real-time chats or GraphQL instead of REST APIs? Come on, tell me. What’s the most amazing, sexy, and hyped feature you have in your Express.js application? Want to guess what mine is? Optimal performance with minimal downtime. If your users can’t use your application, what’s the point of fancy features?
Nov 7, 2018   |  By Sematext
If you manage Elasticsearch clusters you’ll find this cheat sheet created by Sematext Elasticsearch experts very handy. In it you will find a comprehensive list of copy-paste curl snippets for allocation, caches, segment merges, performance troubleshooting and quite a bit more. Enjoy and share!
Nov 7, 2018   |  By Sematext
The Cloud Native movement and migration of applications to microservice architectures require general visibility and observability into software behavior. OpenTracing aims to offer a consistent, unified, and tracer-agnostic instrumentation API for a wide range of frameworks, platforms and programming languages.
Nov 1, 2018   |  By Sematext
This Elasticsearch Developer Cheat Sheet provides a comprehensive list of key Elasticsearch operations every developer needs – index creation, deletion, mapping manipulation, indexing API, ingestion API, querying, aggregations, document relations (nested and parent child) and more! Enjoy and share!
Nov 1, 2018   |  By Sematext
In this reference architecture document, you will find out about all key Docker metrics to watch. Following that, you will learn how to set up monitoring and logging for a Docker UCP cluster. Specifically, this e-book shows how to use Sematext Docker Agent to collect metrics, events and logs for all Docker hosts and containers. Enjoy and share!
Oct 1, 2018   |  By Sematext
This Solr / SolrCloud Metrics API Cheat Sheet shows you how to access all the new Solr metrics – Jetty Metrics, JVM Metrics, Solr Node Metrics, Core OS metrics, etc. Print it. Copy-paste from it. Use it when troubleshooting Solr performance issues. Enjoy and share!
Aug 27, 2019   |  By Sematext
A breakdown of Sematext Experience, an easy-to-use Real User Monitoring solution, adding to the Sematext Cloud observability toolbelt, which encompasses Log Management, Infrastructure Monitoring, Tracing and now, Real User Monitoring.
Apr 22, 2019   |  By Sematext
A user looking for “awesome smartphone 2018” is likely really after “+review:awesome +category:smartphone +release_date:2018”. A clever use of (e)dismax might get us pretty close to where we want, but it’s not real query understanding. There are other ways, of course, like training a model that will, based on the keyword, guess which field it’s looking into.
Dec 10, 2018   |  By Sematext
DockerCon, The #1 Container Industry Conference. Dec 3-5, 2018, Barcelona
Nov 15, 2018   |  By Sematext
Video explaining how to use Logsene for troubleshooting using logs.
Oct 17, 2018   |  By Sematext
Your software stack likely consists of web servers, search engines, queues, databases, etc. Each part of your stack emits its own metrics and logs. Depending on the size of your team and structure, different team members might have permissions to look at one set of data, but not the other. Some data is needed for troubleshooting and can be discarded after just a few days, while more important data might need to be kept for months for legal or capacity planning purposes.