perp-volume-history: concurrent sources, dYdX rate-limit handling - #2374
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…ives up early The dYdX indexer rate-limited the VPS IP mid-backfill and the source spent an hour walking every market through the retry ladder while the four venues behind it waited. Sources now run in parallel (one goroutine each, flush + publish as each lands), 429s honour Retry-After, and the dYdX walk stops after a run of rate-limited calls at one request a second. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HJgbZCqjR4nvCfcJSzofbw
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dYdX's indexer 429'd the VPS mid-backfill and the sequential sweep stalled for an hour behind it. Sources now run concurrently, 429s honour Retry-After, dYdX gives up a sweep after a run of rate-limited calls.
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https://claude.ai/code/session_01HJgbZCqjR4nvCfcJSzofbw