Apache NiFi vs Google Cloud Data Fusion

Apache NiFi is free, open-source software for automating data movement between systems, including cybersecurity, observability, event stream, and generative AI pipelines. Its browser-based interface lets users design, control, and monitor dataflows and receive feedback. NiFi records and indexes provenance data to track information as it passes through the system. Flow controls include guaranteed delivery, back pressure, prioritized queues, and quality-of-service settings for individual flows. Users can change dataflows while they run, applying updates to affected components without stopping the whole flow. Documented processors connect to Kafka, AWS, Azure, Google Cloud, databases, Slack, S3, and Salesforce. Security features include HTTPS, configurable authentication, multi-tenant authorization, and encrypted communications such as TLS and SSH. NiFi runs in a JVM on a host operating system and can be installed from a ZIP archive. It supports clustering and can scale down to edge devices through MiNiFi. The project lists a users mailing list and Slack workspace for questions and problem reports. Its security model assigns users responsibility for operating-system commands and custom code they configure.

Google Cloud Data Fusion is a cloud service for building and managing data pipelines that cleanse, prepare, blend, transfer, and transform data. Its visual interface lets teams design ETL and ELT pipelines without writing code. More than 150 preconfigured connectors and transformations are included at no additional cost, and lineage tracking covers datasets and individual fields for root-cause and impact analysis. It integrates with Cloud Storage, Managed Service for Apache Spark, BigQuery, and Spanner. Replication supports SQL Server, Oracle, and MySQL into BigQuery, with Datastream integration for change streams. Security integrations include IAM, Private IP, VPC Service Controls, and customer-managed encryption keys. REST APIs, schedules, triggers, logs, metrics, and dashboards support operations. Built on open-source CDAP, it supports portability across hybrid and multi-cloud environments. Basic provides 120 free pipeline-development hours monthly per account; new customers get $300 in credits. Developer costs $0.35 a month, Basic $1.80 a month, and Enterprise $4.20 a month. Execution resources are billed separately.