MONIT-40224: ebpfSampler #861
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Not sure why Java CI build failed. On my local, it has been successful. |
oppegard
reviewed
Jul 19, 2023
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| private static final String OTEL_SCOPE_KEY = "otel.scope.name"; | ||
| private static final String OTEL_SCOPE_VALUE_PIXIE = "pixie"; |
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The span tag to identify auto-instrumentation/ebpf data has changed to origin, and the value will be opapps-auto.
@xuranchen added an origin constant to the Java SDK that's available in v3.2.0+. This is where we're setting the span tag in the PxL script: https://github.com/wavefrontHQ/observability-for-kubernetes/blob/4f3f644f59e2b8dfd9e94feca020e5fe9cbdd716/operator/hack/autoinstrumentation/spans.pxl#L171
xuranchen
reviewed
Jul 19, 2023
| .collect(Collectors.toMap(Annotation::getKey, Annotation::getValue)); | ||
| } | ||
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| private CacheKey extractCachKey(@Nonnull Span span, @Nonnull Map<String, String> annotationMap) { |
xuranchen
reviewed
Jul 19, 2023
| import wavefront.report.Span; | ||
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| public interface PreferedSampler { | ||
| boolean sample(@Nonnull Span span); |
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Could you add some comments describing the functionality of the interface and its functions
xuranchen
approved these changes
Jul 25, 2023
oppegard
approved these changes
Aug 1, 2023
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Note: @zen10001 to change base branch to |
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This is for a New Sampling Strategy for eBPF traffic. The design doc is here https://confluence.eng.vmware.com/pages/viewpage.action?spaceKey=WFENG&title=Design+Doc+for+a+New+Sampling+Strategy+for+eBPF+traffic
There are two more tickets related to this
MONIT-40225 | Configuration and parameter tuning of ebpfSampler
MONIT-40444 | ebpf script change for eBPF sampler