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• The speaker addresses a question from an audience member regarding the storage of multiple integrated applications in a busy environment
• The speaker explains that open telemetry and Pixie solutions can be used to capture and store data locally, and then filter and batch the data as needed
• The speaker emphasizes the importance of considering sample strategies, filtering, and batching when designing an architecture for managing storage in a busy environment

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• Captain Kubernetes provides observability and automation for Kubernetes deployments
• Use cases include preventing bad deployments during maintenance windows, supporting quality gates, and running evaluations after deployments
• Captain Kubernetes allows for monitoring and tracing of application deployments across different stages
• The Captain metric server brings observability directly into the cluster by exposing Kubernetes native metrics
• This allows for configuration of HPA, Argo Rollout, and Flux to use Kubernetes native metrics

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• The Connectors framework allows for the creation of generalized systems for managing telemetry.
• Connectors can be used to replicate and merge data streams, apply sampling criteria, and reason about multiple data types in one place.
• The structure of pipelines and data streams in the OpenTelemetry Collector is governed by certain rules and expectations.
• The Connectors framework can be used to address limitations in the existing pipeline structure.
• An anecdote is provided to illustrate how the Connectors framework can be used to filter and redact telemetry data.

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• Pyroscope UI allows for ad hoc profiling and comparison views
• Profiles can help detect slow bleeds like memory leaks
• Profiles can aid in root cause analysis and reduce time to triage
• Profiles can help optimize code and reduce resource waste

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• Observability data is difficult to analyze due to the large amounts of data emitted from cloud infrastructure, applications, and services
• Querying should be thought of as querying as code
• The primary problem is bridging the gap from a correlation perspective to make it more efficient and transformable
• The goal is to reduce developer toil and help end-users correlate their data across systems
• The work group will research, analyze, and make recommendations for future working groups or projects to implement a standard

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• Modern problems require modern solutions, and application security testing tools need to evolve to keep up with changing vulnerabilities in modern applications.
• Collecting all available cloud-native information, such as traces and infrastructure configuration, is crucial when addressing vulnerabilities in cloud-native applications.
• Open-source tools, such as openTelemetry, can be repurposed for application security purposes to make organizations more secure.
• Observability is essential for understanding the real risk of microservices-based and Kubernetes-based applications, and analyzing each microservice separately without knowledge of the surrounding infrastructure is insufficient.

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• BPF is a powerful tool for network analysis, security, and observability in production environments.
• BPF allows for zero-instrumentation profiling of entire production clusters.
• BPF has some limitations, including performance issues and difficulty in interpreting raw data.
• Future developments in BPF may address these limitations, including increased support for programming languages and improved interpretability through machine learning.

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• Companies generate 20-30% more logs each year, making control of data flow important for cost reduction and efficient resource use
• Fluent Bit offers processors for modifying data and labels to optimize indexing and querying
• Lua scripting can be used for log processing
• Labels can be added, updated, or deleted using Fluent Bit processors
• Fluent Bit can be used for metrics management and data scraping

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• Cilium is a popular networking and security solution for Kubernetes that uses eBPF and is becoming the CNI of choice in the industry.
• Cilium provides high-performance load balancing, network policy, transparent encryption, and the ability to integrate multiple Kubernetes clusters and external workloads.
• Hubble is the observability platform that gives visibility into individual network flows, aggregated metrics, service maps, and the ability to export all this metric information to various destinations.
• Tetragon is the security observability subproject in Cilium that uses eBPF to instrument the kernel and give insight into security-relevant events.
• Cilium is being adopted by all major cloud providers, including AWS, Azure, and Google Cloud.
• The presentation includes real-world use cases of Cilium from Isovalent, Grafana Labs, and Eficode.
• Grafana Labs has developed a new Grafana app that allows users to get all the power of Hubble directly from within Grafana.