Cloud computing
Google Cloud databases: Cloud SQL, AlloyDB, Spanner, Firestore and Bigtable
Choose a database on Google Cloud: Cloud SQL and AlloyDB for relational, Spanner for global relational, Firestore for documents, Bigtable for massive time…
Guides & insights
A library for curious minds
Observability
OpenTelemetry traces in depth: spans, status, events, links and sampling
Master the trace signal: anatomy of a distributed trace, span and SpanKind, attributes, status and exceptions, events, links, span processors, head and ta…
Observability
Linking traces and profiles: span profiles with Tempo and Pyroscope
Go from a slow trace to the exact CPU profile of that span: span profiles in Go and Java, configuring the Tempo data source (traces to profiles) and metri…
Observability
Tempo: generating metrics from traces (service graph, span metrics, exemplars)
Enable Tempo's metrics-generator: service graphs, RED span metrics, remote write to Prometheus or Mimir, exemplars, TraceQL metrics and dashboards.
Proxy & networking
Traefik: distributed tracing with OpenTelemetry
Enable Traefik v3 tracing with OpenTelemetry (OTLP), propagate the W3C context to applications, sample, and analyze Traefik's spans in Jaeger or Grafana T…
Observability
OpenTelemetry Collector: connectors, extensions and observing the Collector
Go further with the Collector: connectors (spanmetrics, servicegraph, count, routing, failover), extensions (health_check, pprof, zpages, file_storage, au…
Observability
OpenTelemetry semantic conventions (semconv): naming telemetry
Understand and apply OpenTelemetry semantic conventions: resource, HTTP, database, messaging and GenAI attributes, span and metric names, units, stability…
Observability
Logs with OpenTelemetry: data model, appenders, correlation and collection
Master the log signal: the LogRecord data model, the Logs Bridge API and appenders (Logback, Log4j, Python logging), automatic correlation with trace_id a…
Observability
Profiles, OpenTelemetry's fourth signal: continuous profiling and correlation with traces
Understand OpenTelemetry's new profile signal: continuous profiling, flame graphs, data model and OTLP, the eBPF profiler donated by Elastic, support in t…
Observability
Correlating traces, metrics, logs and profiles with OpenTelemetry
Link the four signals to diagnose quickly: shared resource, trace_id in logs, exemplars on metrics, span metrics and service graph, span profiles, baggage…
Observability
OpenInference: the OpenTelemetry conventions for tracing AI applications
Detailed guide to OpenInference: OpenTelemetry semantic conventions and instrumentations for LLMs, RAG and agents. Span kinds, llm.*, retrieval.*, tool.* …
Observability
Tracing a RAG and an agent with OpenInference and Phoenix
Instrument a RAG application and an agent: RETRIEVER, RERANKER, TOOL and AGENT spans, conversation sessions, version metadata, and diagnosing bad answers …
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