FastForward

Use It

BenchmarksLoading benchmark data…Quick StartInstall, run your first pipeline, and ship logs in 15 minutesSQL TransformsSELECT, WHERE, GROUP BY, JOINs, UDFs — full SQL on every batchInput TypesFile, TCP, UDP, OTLP, HTTP, Arrow IPC, sensor, generatorOutput TypesOTLP, Elasticsearch, Loki, stdout, file, TCP, UDP, Arrow IPCYAML ReferenceEvery config field, input/output option, and server settingDeploy to KubernetesDaemonSet config, resource sizing, and collector integrationTroubleshootingDiagnose pipeline stalls, checkpoint issues, and output errors

Understand It

TailingWatch FastForward handle rotation and truncation live — inode tracking, offset resets, atomic checkpoints

Scanner & Field PushdownStep through SIMD JSON parsing, then toggle fields to see how pushdown cuts bytes and boosts throughput

Backpressure in ActionSlide output speed to slow or outage — watch pressure cascade from outputs back to the file reader

Columnar StorageCompare row vs column layout and see why Arrow makes SQL transforms essentially free

Checkpoint OrderingStep through out-of-order ACKs and see why the committed watermark can never skip an unresolved batch