perf(gr26): batch signal inserts into a single round trip - #222
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gauchoracing
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Aug 7, 2026
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CreateSignalswas issuing one synchronousExecper signal — one network round trip each (~25-30ms from foundry to ClickHouse), which serialized the shelter ingest to ~4.5 rows/sec and taxes every live frame the same wayPrepareBatch/Append/Sendso the whole slice lands in one buffered block insert, one round trip per callasync_insertcontext settings don't apply to native block inserts, so the batch uses a plain context;InsertCtxremains for the single-rowCreateCANpath