(CNCF) https://www.cncf.io/ - Cloud Native Computing Foundation - CNCF is part of the Linux Foundation and was founded in 2015 - CNCF offers support for growing cloud-native projects - CNCF is creating an Observability Whitepaper
is a function of a system with which humans and machines can observe, understand and act on the state of said system.」 Observability Whitepaper : What is Observability? https://github.com/cncf/tag-observability/blob/main/whitepaper.md
the system? Telemetry correlation for deeper insights https://ubuntu.com/observability/what-is-observability Observe and analyze various data output by the system to be able to estimate and address the internal state of the system.
Observability Monitoring - Monitoring sets specific conditions and thresholds and is intended to periodically check the status of the system. - Monitoring reveals the “when” and “what” of system errors. Observability - Observability is aimed at understanding the internal status of the system, preventing problems and identifying their causes. - Observability reveals the “why” and “how” of system errors.
output by system Telemetry correlation for deeper insights https://ubuntu.com/observability/what-is-observability Observe and analyze various data output by the system to be able to estimate and address the internal state of the system.
Data - It is an important element in understanding system status. - It is collected to detect and resolve system anomalies, optimize performance, etc. - CNCF defines Metrics, Logs, and Traces as primary signals. - In addition, signals such as Profiles and Dumps are also important.
on various activities. - Already quantified data - CPU utilization, Memory utilization - Data broken down as numerical values - Number of requests Observability Whitepaper : Metrics https://github.com/cncf/tag-observability/blob/main/whitepaper.md
and operations that occur in an OS, application, server, etc. - System logs - Application logs - Security logs - Audit logs Observability Whitepaper : Logs https://github.com/cncf/tag-observability/blob/main/whitepaper.md
of what happened in a distributed transaction, such as a request initiated by an end user. Observability Whitepaper : Traces https://github.com/cncf/tag-observability/blob/main/whitepaper.md
stack traces in runtime - CPU Profiler, Heap Profiler, IO profiler, etc. - Program language specific Profiler - pprof (Go), Xdebug (PHP) Dumps - Snapshot at a point in time - core dump, etc. Observability Whitepaper : Profiles, Dumps https://github.com/cncf/tag-observability/blob/main/whitepaper.md
Whitepaper will help you understand the concept and practice of Observability. - CNCF definition of observability is “It is a function of a system with which humans and machines can observe, understand and act on the state of said system.” - Telemetry data is important to achieve observability. Metrics, Logs, Traces, Profiles, Dumps
solution that monitors the entire stack of services, including front-end and back-end as well as end-user experience and security. (※) (※) Definitions vary by vendor offering Observability SaaS
Splunk Bring Full-Stack Observability to the Entire Enterprise https://www.splunk.com/en_us/blog/devops/cisco-and-splunk-bring-full-stack-observability-to-the-entire-enterprise.html
- Collect key telemetry data from AWS services and other sources - CloudWatch Metrics - CloudWatch Logs - CloudWatch Application Signals - Numerous other functions besides data collection
: AWS Black Belt Online Seminar https://pages.awscloud.com/rs/112-TZM-766/images/AWS-Black-Belt_2023_AmazonCloudWatch_0330_v1.pdf Application Signals (Trace) is not yet available as this is a March 2023 document.
RUM's JavaScript in their browsers to metrics, logs, etc. Link metrics and real-time logs output by CloudFront to CloudWatch. Headless browsers access endpoints (URLs) to obtain metrics, traces, screenshots, etc.
by ALB and Fargate to CloudWatch. Linking trace data to CloudWatch. (Automatic instrumentation of OpenTelemetry) Metrics output by data store services are linked to CloudWatch. Link task logs and DB logs to CloudWatch Logs.
First, read CNCF's Observability Whitepaper to understand the concept of Observability and telemetry data. - If the workload is in AWS, use Amazon CloudWatch to proceed with collection and analysis of telemetry data. - Full stack observability with Amazon CloudWatch is feasible, although there are challenges in getting Profiles and Dumps.
CloudWatch Observability SaaS Introduction Available as soon as the workload is on AWS. There is a slight time lag before it can be used, including account sign-up and initial setup. Feature Features are being added, but not at the same pace as SaaS. Many features have been added, ranging from front-end, mobile application and security visualization. Integration with other services If you need to integrate with SaaS or other services, you will need to set up and build it yourself. It is possible to monitor a large amount of data by linking with various services. Cost It is an inexpensive way to collect key telemetry data, and it is excellent for cost analysis. Traces and Logs are useful but can spike costs; CloudWatch integration can increase AWS costs. Support You can expect extensive follow-up by AWS support. Support quality may vary depending on the case, e.g., English-only support.
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