Backport release/v6.3: perf: improve eth_getLogs performance with early rejection and backpressure#2617
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masih merged 1 commit intorelease/v6.3from Dec 16, 2025
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…essure (#2591) ## Describe your changes and provide context - add early rejection for pruned blocks to avoid wasting resources - align DB semaphore size with worker pool size - add backpressure mechanism to reject requests when system is overloaded - add comprehensive worker pool metrics (Prometheus + optional stdout debug) - add DB semaphore tracking for I/O monitoring - add EVM_DEBUG_METRICS env var to enable debug output to stdout(nothing print out by default) ## Testing performed to validate your change - significant perf improvement on eth_getlog rpc - the latency average dropped by like 90%+ as we introduced early rejection to avoid resource waste - the nodes are much more responsive, very few situations where they’re lagging --------- Co-authored-by: Yiming Zang <50607998+yzang2019@users.noreply.github.com> Co-authored-by: yzang2019 <zymfrank@gmail.com> (cherry picked from commit 3bfc150)
yzang2019
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Dec 16, 2025
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Backport of #2591 to
release/v6.3.