Problem: The client is experiencing high read latency in their production cluster monitoring. They are seeking assistance in identifying the cause of this latency and resolving it to prevent potential outages. Process: Steps and measures undertaken to investigate the issue: Initial Assessment: Requested logs/config from all nodes. Observed server overload or potential network issues. Configuration […]
Database 17 May 2024 Enhancing Kafka Message Publishing: Improving Error Logging for Batch FailuresProblem: Java client for Apache Kafka is missing error logs when attempting to publish messages to a Kafka topic that is full on the broker side. Despite expecting error logs in such cases, the logs only show warnings and traces, hindering quick identification of the root cause. Solution: Main solution steps suggested to resolve the […]
Data Analytics 16 May 2024 Resolving Slow Startup and Readiness Probe Failure in Prometheus PodsProblem: The client’s Prometheus pod, despite having substantial memory resources, is experiencing prolonged startup times, likely due to extended WAL (Write-Ahead Logging) loading durations. This delay leads to readiness probe failures and leaves the pod in a failed state. The client seeks a resolution to mitigate this performance issue and ensure prompt pod initialization. Solution: […]
Data Analytics 13 May 2024 OpenSearch Start Failure on LinuxProblem: After a successful installation of OpenSearch on a Red Hat Enterprise Linux 8.9 system, attempts to start the service fail with the error message: “Could not initialize class com.sun.jna.Native.” Additionally, there is a warning indicating the inability to load JNA (Java Native Access) native support library, resulting in disabled native methods. Solution: The following […]
Data Analytics 12 May 2024 Troubleshooting Job Scheduling Issue in Apache AirflowProblem: A scheduled job did not trigger at its designated time, and upon attempting to run the job manually, the pods failed to come up in the backend. Reviewing the scheduler logs, the client did not find any specific errors. Process: Our expert investigated the following logs and data: Airflow Configuration: Relevant details of the […]
Data Analytics 11 May 2024 iTop: Beware of Attacks in Personal Token HandlingIn iTop a high severity vulnerability CVE-2023-47626 was detected. When viewing or editing personal tokens, users should be aware that cross-site scripting attacks could occur. This vulnerability is resolved in version 3.1.1. For more information, visit https://avd.aquasec.com/nvd/2023/cve-2023-47626/.
IT Business Management 7 May 2024 Installing MongoDB with Bitnami Helm Chart: Helm Chart Deployment, Load Balancing, TLS, Role-Based Access Control, Backup Strategies, Monitoring, and AuditingProblem: A leading organization in the tech sector sought to optimize their database infrastructure by deploying MongoDB with a focus on scalability, security, and reliability. They required comprehensive guidance on deployment, load balancing, TLS implementation, role-based access control (RBAC), backup strategies, monitoring, and auditing to ensure a seamless transition to a production-ready environment. The client […]
Database 6 May 2024 Enhancing MongoDB User Management: Active Directory/LDAP Integration via Percona MongoDB and Proxy SolutionsProblem: The client requires Active Directory/LDAP integration for MongoDB user management similar to the Enterprise edition of MongoDB. This includes managing user permissions, creation, and deletion. Solution: To address the reported requirements, several potential solutions were put forth. Resolution 1. Utilize Percona MongoDB with LDAP Support: Implement LDAP support through Percona MongoDB. Conducted a Proof […]
Database 26 Apr 2024 Understanding Label Usage in Prometheus AlertsProblem: The client has encountered an issue where a label, specifically “app_kubernetes_io_part_of”, is not being evaluated in the alert description or labels despite being present in the metric. They seek clarification on whether this behavior aligns with the expected functionality of Prometheus alerts. Process: The client provided a Prometheus rule with an alert definition that […]
Data Analytics