InfoQ Homepage application performance management Content on InfoQ
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Amazon CloudWatch Alarms Can Now Directly Trigger Lambda Functions
AWS recently announced that Amazon CloudWatch alarms now support AWS Lambda functions as an action for state changes. This new feature enables developers to automate remediation actions when detecting an unhealthy resource.
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Why LinkedIn chose gRPC+Protobuf over REST+JSON: Q&A with Karthik Ramgopal and Min Chen
LinkedIn announced that it would be moving to gRPC with Protocol Buffers for the inter-service communication in its microservices platform, where previously an open-source Rest.li framework was used with JSON as a primary serialization format. InfoQ contacted Karthik Ramgopal and Min Chen to learn more about the decision and company motivations behind it.
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Java News Roundup: JHipster 8.1, Piranha Cloud 23.12, Open Liberty 23.0.0.12, Tomcat Releases
This week's Java roundup for December 11th, 2023, features news highlighting: OpenJDK early access releases, Open Liberty 23.0.0.12, Infinispan 15.0.0-Dev06, JHipster 8.1.0, Piranha 23.12.0, Apache Tomcat 11.0.0-M15, 10.1.17, 9.0.84 and 8.5.97 and the debut of the Payara Virtual Conference.
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AWS Improves Kubernetes Monitoring with New Enhanced Observability for Amazon EKS
AWS has released several monitoring and observability-themed improvements. The releases include Amazon CloudWatch Container Insights with Enhanced Observability for Amazon EKS on EC2 a fully managed service that provides visibility into containerized workloads. Other releases include a new Amazon Managed Service for Prometheus collector and Amazon Managed Grafana community plugins.
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Addressing Orphaned Pods on Netflix’s Titus Container Platform
Netflix's engineering team disclosed the investigation, identification, and resolution of the issue about "orphaned" pods causing inconvenience to engineers on Titus, shedding light on the journey from kernel panics to Kubernetes (k8s) and ultimately providing operators with the tools to understand why nodes are going away
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LinkedIn Migrates Espresso to HTTP2 and Reduces Connections by 88% and Latency by 75%
LinkedIn was able to dramatically improve the scalability and performance of its Espresso database by migrating it from HTTP1.1 to HTTP2, resulting in a reduction in the number of connections, latency, and garbage collection times. To achieve these gains, the team had to optimize the Netty’s default HTTP2 stack to make it fit their needs.
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OpenTelemetry Logging Marked Stable: Morgan McLean at KubeCon NA
Logging is a core capability of applications today. OpenTelemetry (OTel) has stabilized logging as another available signal within the project. OTel Logging offers improvements to traditional logging.
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Java News Roundup: Spring Framework 6.1, Spring Data 2023.1, Payara Platform, JEPs for JDK 22
This week's Java roundup for November 13th, 2023, features news from OpenJDK, JDK 22, and monthly, milestone and point releases of: Spring Framework; Spring Data; Payara Platform; Open Liberty; Micronaut; Grails; Quarkus; Tomcat; Apache Camel; Vert.x; Mojarra; Micrometer Metrics and Tracing; Project Reactor; Piranha; JDKMon; JobRunr; JHipster Lite; Testcontainers for Java; Arquillian; and Gradle.
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Grafana Cloud Kubernetes Monitoring with Machine Learning Predictions
Managing cloud costs can be challenging as Kubernetes fleets scale. To address this issue, Grafana Cloud has introduced a cost-monitoring feature within Kubernetes Monitoring. In particular, Grafana Cloud’s Kubernetes Monitoring now offers ML predictions for CPU and memory usage.
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eBPF Kubernetes Security Tool Tetragon Improves Performance and Stability
Isovalent has announced the 1.0 release of Cilium Tetragon, their eBPF-based Kubernetes security observability and runtime enforcement tool. Policies and filters can be applied directly via eBPF to monitor process execution, privilege escalations, and file and network activity.
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CloudWatch Introduces Best Practice Alarm Recommendations for 19 AWS Services
AWS has recently introduced "out-of-the-box" best practice alarm recommendations for Amazon CloudWatch. This new option is designed to improve observability on the AWS platform, allowing users to easily add alarms from the console and download templates for CloudFormation, Terraform, and the CLI.
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Monzo Employs Targeted Traffic Shedding against Stampeding Herd Effect from the Mobile App
Monzo developed a solution for shedding traffic in case its platform comes under intense and unexpected load that could lead to an outage. Traffic spikes can be generated by the mobile app and triggered by push notifications or other bursts in user activity. The solution can reduce the read traffic by almost 50% with 90% overall accuracy without noticeable customer impact.
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Contentsquare Uses Microservices and Apache Kafka for Notification Delivery
Contentsquare needed notification functionality for many use cases within its platform. The company created a generic solution spanning multiple services as part of its microservice architecture. During the implementation, the developers had to improve observability and overcome some scalability challenges.
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Java News Roundup: Foreign Function & Memory API, OpenJDK JEPs, Apache Tomcat CVEs
This week's Java roundup for October 9th, 2023, features news from OpenJDK, JDK 22, Apache Tomcat CVEs, Devoxx Morocco, and milestone, point and release candidates of: Spring Framework; Spring Data; Micronaut; Quarkus; Micrometer Metrics; Micrometer Tracing; Apache Kafka; Apache Camel; Eclipse Vert.x; Project Reactor; JHipster Lite; Piranha; and RefactorFirst.
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Grafana Introduces ML Tool Sift to Improve Incident Response
Grafana Labs has introduced "Sift," a feature for Grafana Cloud designed to enhance incident response management (IRM) by automating system checks and expediting issue resolution. Sift automates various aspects of incident investigation. Sift provides valuable insights into potential issues within Kubernetes environments, helping engineers focus on resolving incidents.