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bench(stream): use canonical BerlinMOD corpus (2 195 303 instants, 141 vehicles)#50

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estebanzimanyi merged 3 commits into
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fix/stream-benchmark-canonical-corpus
Jun 10, 2026
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bench(stream): use canonical BerlinMOD corpus (2 195 303 instants, 141 vehicles)#50
estebanzimanyi merged 3 commits into
masterfrom
fix/stream-benchmark-canonical-corpus

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The stream benchmark corpus is the canonical BerlinMOD instants at scale factor 0.005 — the same dataset as the batch benchmark — sourced from berlinmod-3db-canonical/instants.csv (SRID 3857 EWKB), reprojected EPSG:3857→EPSG:4326 at load. Timing cells are cleared pending re-benchmark on this corpus.

…1 vehicles)

The stream benchmark corpus is the canonical BerlinMOD instants at scale
factor 0.005 — the same dataset as the batch benchmark — sourced from
berlinmod-3db-canonical/instants.csv (SRID 3857 EWKB), reprojected
EPSG:3857→EPSG:4326 at load.
…al corpus)

MobilityNebula Q1 throughput on the canonical BerlinMOD corpus (2 195 303
instants, 141 vehicles): continuous 146,715 ev/s, windowed 170,403 ev/s,
snapshot 128,629 ev/s. Stock runtime image (marianamgarcez/mobility-nebula:runtime),
2 worker threads, TCP source. Q2–Q9 require a MEOS-enabled build.
All 27 Flink cells (9 queries × 3 forms) measured on the canonical 2 195 303-event
corpus (141 vehicles, scale factor 0.005). MobilityKafka Q1-Q3 measured; Q4-continuous
is O(V²) at 141 vehicles and timed out; Q8-windowed/snapshot and Q9-windowed/snapshot
also measured. MobilityNebula Q1 results carried from the preceding commit.
@estebanzimanyi estebanzimanyi merged commit a3871ff into master Jun 10, 2026
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@estebanzimanyi estebanzimanyi deleted the fix/stream-benchmark-canonical-corpus branch June 10, 2026 22:20
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