Tue.Jul 02, 2024

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Performance and Scalability Analysis of Redis and Memcached

DZone

Speed and scalability are significant issues today, at least in the application landscape. Among the critical enablers for fast data access implementation within in-memory data stores are the game changers in recent times, which are technologies like Redis and Memcached. However, the question arises of choosing the best one. This article takes a plunge into the comparative analysis of these two cult technologies, highlights the critical performance metrics concerning scalability considerations,

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Detecting RegreSSHion with Dynatrace (CVE-2024-6387)

Dynatrace

The Qualys Threat Research Unit (TRU) has discovered a Remote Unauthenticated Code Execution (RCE) vulnerability in OpenSSH server (sshd) in glibc-based Linux systems. The CVE assigned to this vulnerability is CVE-2024-6387. The vulnerability, a signal handler race condition in OpenSSH server (sshd), allows unauthenticated remote code execution (RCE) as root on glibc-based Linux systems, which is a significant security risk.

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How to Configure Custom Metrics in AWS Elastic Beanstalk Using Memory Metrics Example

DZone

Recently, I encountered a task where a business was using AWS Elastic Beanstalk but was struggling to understand the system state due to the lack of comprehensive metrics in CloudWatch. By default, CloudWatch only provides a few basic metrics such as CPU and Networks. However, it’s worth noting that Memory and Disk metrics are not included in the default metric collection.

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Full Kubernetes logging in context: Easily stream logs from Fluent Bit to Dynatrace

Dynatrace

With the move towards cloud-native computing, having a clear understanding of your Kubernetes platform’s performance and application behavior is a requirement; having the ability to troubleshoot quickly and easily is especially important. Logging provides platform and application owners with an effective way to understand the state of their workloads by giving them a view into the inner workings of their systems.

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Operational Excellence Best Practices

DZone

In the summer of 2023, my team entered into a code yellow to stabilize the health of the service we own. This service powers the visualization on the dashboard product. The decision was made following high-severity incidents impacting the availability of the service. For context, the service provides aggregation data to dashboard visualizations by gathering aggregations through the data pipeline.

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MySQL 9.0 Community Edition: A Quick Peek

Percona

MySQL 9.0 was released on July 1, 2024. This is an ‘Innovation’ release, which means it provides access to the latest features and improvements in MySQL technologies. Innovation releases are the opposite of the Long Term Support (LTS) releases, where stability is the top priority, and only needed security and other fixes are available.

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See What’s Inside a WAL File Using pg_waldump and pg_walinspect

Percona

In this blog, we will see the concepts for analyzing WAL files, such as pg_waldump (supported versions 12 and above) and pg_walinspect (supported versions 15 and above). Write-Ahead Logging (WAL) is a standard approach to transaction logging and one of the database’s functional components. WAL is a standard method for ensuring data durability.