monitoring

Server monitoring is a core responsibility for DevOps teams, SREs, and IT operations professionals. Effective server monitoring helps you maintain uptime, optimize resource usage, detect incidents early, and troubleshoot issues

Running a Kubernetes cluster includes keeping an eye on it to make sure your apps and services are healthy. You don’t want to be staring at a bunch of Kubernetes

Introduction Launching a mobile App is no walk in the park, especially when it comes to your App's store position and ratings. One of the trickiest parts is maintaining a

As APIs play a crucial role in connecting modern cloud applications, monitoring their availability and performance is a must if you want to provide a top-notch experience. A good API

Solr is widely adopted by startups and enterprises alike. It's powerful and open-source, so it's very appealing to just about everyone looking for a search platform to build off of.

While Kubernetes revolutionized distributed orchestration, it also added complexity to logging and monitoring. You need to adapt your monitoring strategy to keep up with the challenges of working with Kubernetes

We often get questions like: How much data can I put in an Elasticsearch cluster? How many nodes can an Elasticsearch cluster have? What's the biggest cluster that you've seen?

Webmasters always have their hands full with everything from user experience, search engine optimization and last but not least, SSL certificates. While some may not prioritize SSL certificates, they are

This article is the third of a four-part series of articles about Elasticsearch monitoring. In the first article, we put together an Elasticsearch guide, covering how Elasticsearch works and why the

The Apache HTTP Server (httpd) is a widely used, open-source web server application. Because you can easily customize it through modules, it has become the go-to choice of both individuals

A large amount of data requires special tools. Apache Cassandra is one of those databases that can handle a large amount of data spread among many commodity servers, providing high

A system is “a set of things working together as parts of a mechanism or an interconnecting network; a complex whole”. So when we say System Monitoring Tools we mean

Evolving MySQL operations requires understanding how MySQL works. A good monitoring tool alerts on issues before they impact end users and helps reduce the MTTR of incidents when they do

Apache Zookeeper is a great tool used by many popular tools. Your Kafka uses Zookeeper, your HDFS uses it, your SolrCloud uses it, and your ClickHouse may also be using

HAProxy is one of the most popular software around when it comes to load balancers and reverse proxies. When you’re using it for these purposes, it’s especially important to monitor

Synthetic monitoring has been a staple of performance testing for years now and it's probably going to stay that way for quite some time. Also called proactive monitoring, this relatively

Redis is an open-sourced, BSD 3 licensed, highly efficient in-memory data store that can be easily used as a distributed, in-memory key-value store, cache, or message broker. It is known

MongoDB is a cross-platform NoSQL database that uses JSON-like documents with optional schema to store data. It was designed for high availability, high performance for high-data persistence use cases, and

Monitoring distributed systems like MongoDB is very important to ensure optimal performance and constant health. But even the best monitoring tool will not be efficient without fully understanding the metrics

Redis is an open-sourced, BSD 3 licensed, highly efficient in-memory data store. It is used widely in the industry because of its incredible performance and ease of use. It can

When new web browser versions are released, new bugs are inevitably introduced, which can degrade a website’s performance and increase the overall page load time. This can severely impact a

The world lives by processing the data. Humans process the data - each sound we hear, each picture we see - everything is data for our brain. The same goes

Containers are no longer a thing of the future - they are all around us. Companies use them to run everything - from the simplest scripts to large applications. You

There are multiple reasons why Java and the Java Virtual Machine-based languages are very popular among developers. A rich ecosystem with lots of open-source frameworks that can be easily incorporated

In this article, you'll learn how to understand and debug the memory usage of a Node.js application and use monitoring tools to get a complete insight into what is happening

NGINX is a popular web server featuring a wide range of capabilities, including reverse proxy, mail proxy, HTTP cache, and load balancing. It offers TLS offloading and a health check

Apache Cassandra is a distributed database known for its high availability, fault tolerance, and near-linear scaling. It was initially developed by Facebook, but it is a widely used open-source system

PostgreSQL is a popular open-source, object-relational database. As with any other data storage solution, capturing metrics is crucial for making sure your database is reliable, available, and performing optimally. This

Monitoring is crucial if you want to see what happens in your system and JVM-based applications are not different. Well, some metrics, like memory and garbage collection, require special attention

When working with Java or any other JVM-based programming language we get certain functionalities for free. One of those functionalities is clearing the memory. If you’ve ever used languages like

Nowadays, most applications we build are composed of microservices and distributed in nature. In such a setup, communication between these microservices is crucial, but can, unfortunately, cause some headaches. The

APIs have become the de-facto standard in building and running modern applications. They are an integral part of the automation workflow of any business and as more users rely on

If you’re a RabbitMQ user, chances are that you’ve seen queues growing beyond their normal size. This causes messages to get consumed long after they have been published. If you’re

Let's say you get an alert that one or more queries is slow. Or that your users complain, whichever comes first 🙂  We've all been there… How do you find

Imagine some users complaining that querying PostgreSQL is slow (this never happened right?), and we have to troubleshoot this problem. It could be one of two things: Something wrong with

If you are anything like us here at Sematext, you are likely always trying to automate any tedious, repetitive tasks. Repetitio est mater… boringdorum. Setting up monitoring falls in that

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

Working with Java applications has a lot of benefits. Especially when compared to languages like C/C++. In the majority of cases, you get interoperability between operating systems and various environments.

In this tutorial, we will talk about how different Java Garbage Collectors work and what you can expect from them. This will give us the necessary background to start tuning

By Chris Tozzi Logging or monitoring? If you deploy and manage an application, these are the two key techniques available to you for helping to ensure that the application meets

When it comes to Java applications, to make sure they run at peak performance, it’s critical to close the resource gap between the code and the virtual machine it’s running

What are the essential things to monitor in your infrastructure? Sure, CPU utilization, memory usage, and IO throughput. However, once you notice a significant load somewhere in your infrastructure you

As shown in Part 1, key Solr metrics to monitor, the setup, tuning, and operations of Solr require deep insights into the performance metrics such as request rate and latency,

As the first part of the three-part series on monitoring Apache Solr, this article explores which Solr metrics are important to monitor and why. The second part of the series

Node.js monitoring is a tricky task. There are certain challenges to look out for. Because Node.js is a dynamically typed programming language and single-threaded you give the interpreter and runtime

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

Open-source software adoption continues to grow within enterprises (even for legacy applications), beyond just startups and born-in-the-cloud software. They may not have full-blown features like the Sematext Kafka monitoring integration

As the first part of a three-part series on Apache Kafka monitoring, this article explores which Kafka metrics are important to monitor and why. When monitoring Kafka, it’s important to also

As shown in Elasticsearch Key Metrics, the setup, tuning, and operations of Elasticsearch require deep insights into the performance metrics such as index rate, query rate, query latency, merge times, and

This article (the first of a four-part series) explains how to get started developing an Elasticsearch monitoring strategy. In subsequent articles (part 2, part 3 and part 4), we’ll discuss

Elastic Stack Features (formerly X-Pack) is an Elastic Stack extension that bundles security, alerting, monitoring, reporting, and graph capabilities. One could use either all or specific components. Elastic Stack Features as

As shown in Part 1 - ClickHouse Monitoring Key Metrics - the setup, tuning, and operations of ClickHouse require deep insights into the performance metrics such as locks, replication status, merge

By Chris Tozzi So you’ve got a ClickHouse DB, and you’re looking for a tool to monitor it. You’ve come to the right place. In this blog post, which is

By Chris Riley If you keep up-to-date with the latest developments in the world of databases, you are probably familiar with ClickHouse, a columnar database management system designed for OLAP.

The popular Servers View has been overhauled. It’s both more modern looking and more powerful than the old version. Some things you can do with the new Servers view: Filter

Kubernetes is a really hot topic at the moment. All major cloud providers adopted it as a solution for deploying cloud native apps. Just a few weeks ago, AWS at

While some are hallucinating about building walls, we at Sematext are looking to knock them down. One of the Sematext differentiators is that it’s not just a monitoring solution or

Every modern organization depends on software, and where there is software there are metrics and logs and, one would hope, monitoring of these two critically important types of data. Operations

Need we say more?  If you’ve used Sematext Cloud recently you’ve noticed the UI looks and behaves differently.  Indeed, we rewrote the whoooooole front-end using modern front-end technologies like React.js

One of the Sematext differentiators is that it’s not just a monitoring solution or just log management solution.  It’s monitoring AND log management in a single solution.  This single pane

This is a guest post by Nedim Šabić, developer of Fibratus, a tool for exploration and tracing of the Windows kernel.  Unlike Linux / UNIX environments which provide a plethora of open