Data Analytics

Problem: 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 […]

Problem: Need Explanation for the Pipeline: Our client has encountered a scenario in their Elasticsearch setup that requires clarification and understanding. The specific concern revolves around the configuration of the Logstash pipeline, more precisely, the interaction between the defined schedule and query parameters. Logstash Configuration LogstashConfig: pipelines.yml: | - pipeline.id: logstash-output-broker schedule: "*/5 * * […]

Problem: The client encountered an error while updating the Prometheus adapter in the Azure environment, specifically related to the prometheus-adapter-configmap. The error stemmed from the generated configmap exceeding the Kubernetes limit, preventing successful deployment. The client sought guidance on efficiently splitting the configuration for deployment across multiple namespaces. Solution: Step 1: Environment Preparation: Experts established […]

Problem: The client reported issues with all dags triggered from dag-factory failing, with associated problems such as pods not coming up when triggered and errors in collector pods. Furthermore, there was a lack of error messages in the airflow pods logs, making it challenging to identify the root cause. Process: In order to address the […]

Problem: There are two problems with Prometheus monitoring setup: the retention setting isn’t functioning correctly, leading to excessive data storage, and the Prometheus database is frequently getting corrupted, despite varying levels of workload and resource allocation across different environments. Process: Case Details: Environment 1: Approximately 23GB of data is generated in Prometheus across a 3-hour […]

Problem: During a migration from Kafka Streams 2.5.0 to 3.3.1, a client encounters a “Producer Fenced Exception” while processing aggregation tasks using a Processor in Kafka Streams. The issue occurs when attempting to update a State Store changelog topic, initiated by operations reading data from upstream and processing it with a punctuator. Process: Questions: Should […]

Problem: The client encountered an error in the apiservice v1beta1.custom.metrics.k8s.io, with the status showing “False” and a message indicating that the service/prometheus-adapter in a specific namespace is not listening on port 6443. The client provided details, including the helm chart files used for deployment, seeking a resolution as the issue persisted across AWS and Azure […]

Problem: The client seeks guidance on determining the appropriate value for the “index.mapping.total_fields.limit” parameter in Elasticsearch version 7.15.2. Process: Initial Query and Analysis: The client sought advice on determining the appropriate value for the index.mapping.total_fields.limit Elasticsearch parameter based on their data characteristics. Script Execution: An expert provided scripts (both in Bash and Python) to analyze […]

Problem: OpenSearch version 1.3.6 RCM OpenSearch DR(COB) High availability setup is not working in the Production environment and lower environment. For Production, the client has a 4-node cluster, out of which 50% availability cluster setup is configured. The client expects that when one node goes down, the other will take over as master. High Availability […]