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Top Stories by Sematext Blog

Container Monitoring: Top Docker Metrics to Watch By Stefan Thies Monitoring of Docker environments is challenging. Why? Because each container typically runs a single process, has its own environment, utilizes virtual networks, or has various methods of managing storage. Traditional monitoring solutions take metrics from each server and applications they run. These servers and applications running on them are typically very static, with very long uptimes. Docker deployments are different: a set of containers may run many applications, all sharing the resources of one or more underlying hosts. It's not uncommon for Docker servers to run thousands of short-term containers (e.g., for batch jobs) while a set of permanent services runs in parallel. Traditional monitoring tools not used to such dynamic environments are not suited for such deployments. On the other hand, s... (more)

Five Steps to #MeteorJS Monitoring | @DevOpsSummit @Sematext #JavaScript

Five Steps to MeteorJS Monitoring By Stefan Thies Meteor is a full-stack JavaScript platform for developing modern web and mobile applications. It includes developer tools, websockets, MongoDB integration, and a package manager.  Atmosphere.js is the Meteor package manager.  Unfortunately, it doesn’t list many Meteor monitoring solutions. Luckily, thanks to the Meteor npm integration, it is possible to use npm packages for monitoring Meteor apps with npm based monitoring solutions, such as SPM for Node.js monitoring.  SPM for Node.js collects key Node.js metrics such as Event Lo... (more)

Apache Spark Monitoring in SPM By @Sematext | @DevOpsSummit [#DevOps]

Apache Spark is an open-source, large-scale data processing engine built on top of the Hadoop Distributed File System (HDFS) and enables applications in Hadoop clusters to run up to 100x faster in memory, and 10x faster even when running on disk.  So it’s not surprising the usage of Spark is booming as this Google Trends graph shows. And while Spark usage has been going through the roof, Engineers and DevOps handling Spark have not had a good monitoring tool at their disposal.  Well, that is, until now.  By releasing the first Spark monitoring product to market Sematext has, wit... (more)

Hiring: Full-stack Java Developers By @Sematext | @DevOpsSummit [#DevOps]

Sematext is looking for a strong full-stack developers who: Find creative and elegant solutions, build tools, avoid repetition and boilerplate code Take ownership and push forward; want to help build the team and the organization Like working with data-intense applications, continuous data streams (e.g. metrics, logs, events), visualization and data analytics Want to have fun, enjoy building new things and improving existing ones Some info about our tech: Java in the backend, with a bit of Akka Java and NodeJS for various SPM agents A series of Machine Learning algorithms for Anoma... (more)

Node.js and io.js Monitoring | @DevOpsSummit #DevOps #Microservices

Node.js and io.js Monitoring Support By Stefan Thies Node.js and io.js are increasingly being used to run JavaScript on the server side for many types of applications, such as websites, real-time messaging and controllers for small devices with limited resources. For DevOps it is crucial to monitor the whole application stack and Node.js is rapidly becoming an important part of the stack in many organizations. Sematext has historically had a strong support for monitoring big data applications such as Elastic (aka Elasticsearch), Cassandra, Solr, Spark, Hadoop, and HBase, as well... (more)