Data Ingestion
Hadoop-RDBMS Data Transfer
★ 3.8
Stream Storage System
★ 3.7
N/A — Java-based, retired projectpip install pravega-clientN/A — Java-based, retired projectpip install pravega-clientPython data engineers invoke Sqoop from Python subprocess calls or Oozie workflows to bulk-transfer data between relational databases and HDFS. A Python orchestration script generates the Sqoop import command with table name, where clause, and parallelism parameters, runs it, monitors the return code, and proceeds to PySpark transformation once the data lands in HDFS.
Python data engineers use the `pravega-grpc-gateway` or Python client to produce durable event streams to Pravega. Unlike Kafka, Pravega retains streams indefinitely with cost-tiered storage — Python pipelines use this for event sourcing architectures where the full history of events must be replayable for reprocessing after logic changes.
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