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docs(telemetry): flag RPC Response Size instrument mismatch pending byte-histogram fix

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Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Pratik Mankawde
2026-07-10 17:00:13 +01:00
parent 9820ae8e38
commit 3143216ad1
1 changed files with 1 additions and 1 deletions
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docker/telemetry/grafana/dashboards/rpc-pathfinding.json
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@@ -92,7 +92,7 @@
},
{
"title": "RPC Response Size",
"description": "**What:** P95 and P50 of RPC response payload size in bytes.\n**How it's computed:** 95th and 50th percentiles over a 5-minute window.\n**Reading it:** Larger responses cost more bandwidth and CPU to build.\n**Healthy range:** workload-dependent.\n**Watch for:** Large P95 (result-heavy queries such as broad account_tx, or API misuse).\n**Source:** src/xrpld/rpc/detail/ServerHandler.cpp ServerHandler ctor",
"description": "**⚠ Instrument mismatch — values unreliable.** Response size is recorded through the millisecond-scaled event histogram (rpc_size_milliseconds_bucket), so byte values saturate at the top time bucket (5000) and the percentiles are not true byte sizes. A dedicated byte-unit histogram is needed to fix this; tracked separately. Treat this panel as indicative only until then.\n\n**What:** P95 and P50 of RPC response payload size in bytes.\n**How it's computed:** 95th and 50th percentiles over the dashboard rate interval.\n**Reading it:** Larger responses cost more bandwidth and CPU to build.\n**Healthy range:** workload-dependent.\n**Watch for:** Large P95 (result-heavy queries such as broad account_tx, or API misuse).\n**Source:** src/xrpld/rpc/detail/ServerHandler.cpp ServerHandler ctor",
"type": "timeseries",
"gridPos": {
"h": 8,