Spark Streaming in the Browser

Generated telemetry → micro-batches → Spark SQL → IndexedDB checkpoint. No server and no data upload.
engine: loadingcheckpoint: freshuptime: 0sloading
Input rate0rows/s
Processing rate0rows/s
Buffered0rows
Completed batches0
Processed0rows
Last trigger0ms
Dropped0rows
Failed batches0

Streaming SQL

next sequence 0table eventsmode append batches
Configuration changes require pause. Every successful trigger replaces the in-memory events table, runs this SQL, then commits its checkpoint.

Input and processing rate

input rows/sprocessed rows/sbuffered rows--:--:--

Latest micro-batch result

Waiting for the Spark SQL engine…

Query events

Last error: none