Unable to install capybara-webkit with OS X Sierra

I've been trying to install the Capybara-Webkit gem with bundler and after following these instructions:...

Could not find i18n-1.1.1 in any of the sources (Bundler::GemNotFound) with Passenger

I recently updated to Ruby 2.5.3 and Rails 5.2.1. Here si the Gemfile: source 'https://rubygems.org' gem 'rails', '~> 5.2' gem 'bootstrap-sass' gem 'sassc-rails' gem 'coffee-rails', '~> 4.2' gem...

How can we use INSTANA to monitor & manage Apache Kafka and Zookeeper cluster

I have set up a Kafka & Zookeeper cluster in Production. I need to set up INSTANA APM Tool to monitor and manage the Production Kafka & Zookeeper Cluster. Did anyone has ever used INSTANA to...

Integrating Instana error tracking into an Angular 2 application

I'm trying to integrate Instana into an application. More specifically I'm trying to send errors from my Angular app to Instana. I have my code 'working' so this is kind of a question about best...

Include nginx metrics from GitLab installation in Instana

I'm having some trouble monitoring my GitLab installation with Instana. GitLab and the nginx shipped with it are running fine, only monitoring does not work. Instana recognises the nginx but...

Spring Data JPA garbage collection

I have a Spring Batch application with JpaPagingItemReader (i modified it a bit) and 4 Jpa repositories to enrich Model which comes from JpaPagingItemReader. My flow is: Select Model (page size =...

How would I instrument Sequelize with opentracing?

I'd like to start tracing my sequelize SQL calls using opentracing, but I'm having a hard time figuring out how. I'd like to adapt this code to be more flexible so I can drop it into any sequelize...

Which memory metric does Openshift OOM Killer use

We are running a set of Java applications in docker containers on OpenShift. On a regular basis we experience oom kills for our containers. To analyse this issue we set up Instana and Grafana for...

Instana integration with create-react-app to download sourcemap for error reporting

The source map for CRA is enabled by default. I have given Instana the permission to download source map from my application in production, but the errors reported are still compressed and...

How to choose an Opentelemetry backend vendor?

With Opentelemetry becoming the new standard of tracing, and it being vendor-agnostic, how do we then choose a backend vendor for opentelemetry? For example, there are currently many vendors that...