telemetry-sh
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124 repositories
right-censoring-lab
PublicInteractive Futhark lab showing how right-censored timeouts make completed-only latency percentiles look healthier.- Interactive Vala lab showing how OTLP gzip bytes and Content-Encoding metadata drift apart across proxies.
log-body-coercion-lab
PublicInteractive Nushell lab showing how JSON string coercion destroys structured OpenTelemetry log queryability.multiline-framing-lab
PublicInteractive Ballerina lab: line-oriented framing turns one exception into orphaned log records, misleading volume, and lost trace context.otlp-endpoint-path-lab
PublicInteractive Pkl lab: signal-specific OTLP endpoint precedence sends traces to the wrong HTTP path while metrics and logs stay healthy.- Interactive Hy lab: numeric trace ID coercion strips leading zeroes and silently breaks log-to-trace correlation.
tracestate-eviction-lab
PublicInteractive Dhall lab: tracestate truncation evicts sampling intent at the 32-member boundary.duration-overflow-lab
PublicInteractive Verilog lab: a narrow signed duration field makes slow requests look impossibly fast.exception-status-gap-lab
PublicInteractive Nix lab: exception events can exist on spans whose status is still UNSET.thermal-throttling-lab
PublicInteractive VHDL lab showing how thermal throttling hides effective CPU capacity.- Interactive XQuery lab showing how Prometheus name escaping collapses distinct metric identities.
critical-path-lab
PublicInteractive Standard ML lab for trace critical-path analysis.pid-reuse-lab
PublicInteractive GNU Octave lab for PID reuse telemetry identity collisions.cpu-quota-window-lab
PublicInteractive Chapel lab for CPU quota-window observability blind spots.sse-resume-gap-lab
PublicInteractive Pike and Server-Sent Events lab for reconnect continuity blind spots.- Interactive GraphQL lab for partial-response observability blind spots
redaction-coverage-lab
PublicInteractive OPA/Rego lab for telemetry redaction coverage gapsunit-mismatch-lab
PublicInteractive Protocol Buffers lab exposing latency incidents fabricated by conflicting metric units.nan-poison-lab
PublicInteractive Lex lab exposing incidents hidden by NaN and infinity metric poisoning.- Interactive sed lab exposing incidents hidden by byte-distinct Unicode telemetry identities.
trace-id-entropy-lab
PublicInteractive GNU Bison lab exposing probability-sampling bias caused by low-entropy trace IDs.missing-is-not-zero-lab
PublicInteractive GNU Make lab showing why missing gauge observations are neither zero nor fresh last values.counter-reset-gap-lab
PublicInteractive Gnuplot lab exposing request increments lost when cumulative counters reset between scrapes.severity-text-drift-lab
PublicInteractive OpenTelemetry lab showing how exact SeverityText filters hide normalized errors.span-link-budget-lab
PublicInteractive GNU M4 lab exposing asynchronous trace causality lost to low OpenTelemetry span-link limits.otlp-partial-success-lab
PublicInteractive Jsonnet lab exposing spans rejected inside HTTP 200 OTLP partial-success responses.exemplar-reservoir-lab
PublicInteractive Terraform/HCL lab showing how tiny exemplar reservoirs erase metric-to-trace pivots for rare slow requests.tail-sampling-race-lab
PublicInteractive XSLT lab showing how late error spans race tail-sampling decisions and erase trace evidence.scope-erasure-lab
PublicInteractive CMake lab showing how erased instrumentation scope and unit metadata fabricate a latency improvement.- Interactive CUE lab exposing SLO failures hidden when Collector resource transforms collapse service identity.
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