feat: add observability to anchoring worker #1199
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## feat/no-ipfs #1199 +/- ##
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| logger.imp(`Creating Merkle tree from ${candidates.length} selected streams`) | ||
| const span = Metrics.startSpan('anchor_candidates') | ||
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| const buildMerkleTreeSpan = Metrics.startSpan('build_merkle_tree') |
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Does startSpan create timing metrics automatically? As in, how long a given span takes on avg, etc.
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A span represents a single operation within a specific trace. Traces are used to monitor the execution paths in a system. startSpan() will handle timing by reporting start and endTime.
It does not allow us to do aggregations, like counts or gauges. So the answer to your question is : no https://opentelemetry.io/docs/concepts/signals/traces/#spans
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In that case, can we please add metrics for the time spent in each of those spans?
Counter for how many time a span is taken, a summary for how long each took, etc.
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I am wondering if this is necessary after we data-dog profiling enabled on CAS @christianlavoie @smrz2001
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Description
Added spans to see how long each transaction while anchoring candidates takes in the worker.
This will help us identify bottlenecks and improve scalability.
How Has This Been Tested?
Describe the tests that you ran to verify your changes. Provide instructions for reproduction.
Definition of Done
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References:
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