Comparison

Google Cloud Dataflow vs Hazelcast

On the evidence we track, Hazelcast leads this comparison with a composite score of 49/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Google Cloud Dataflow full profile →Hazelcast full profile →

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Google Cloud Dataflow17

★Hazelcast49

Attribute comparison across 2 tools
Attribute	Google Cloud Dataflow	HazelcastLeader
Vioscale score	17 / 100low · 3%	49 / 100medium · 56%
Pricing
Modelpricing.model	commercial	commercial
Price levelpricing.price_level	-	unknown
Transparentpricing.transparent	-	✗
Integrations
Countintegrations.count	3	1
Security
Gdprsecurity.gdpr	-	✓
Scorecardsecurity.scorecard	-	4.2
Vulnerabilitiessecurity.vulnerabilities	-	Count: 8 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.hazelcast%3Ahazelcast&per_page=100 · Last 12m: 0 · Max severity: CRITICAL
Reliability
Status pagereliability.status_page	-	✓
Adoption
Dependent reposadoption.dependent_repos	-	10,433
Github starsadoption.github_stars	-	6,604
Package downloads weeklyadoption.package_downloads_weekly	-	4,717
Activity
Commits last 30dactivity.commits_last_30d	-	71
Release
Cadence daysrelease.cadence_days	-	15
Historyrelease.history	-	20 items
License
Spdxlicense.spdx	-	Apache-2.0
Language
Primarylanguage.primary	-	Java

Score

Vioscale score

Google Cloud Dataflow17 / 100low · 3%

Hazelcast49 / 100medium · 56%

Pricing

Model

Google Cloud Dataflowcommercial

Hazelcastcommercial

Price level

Google Cloud Dataflow–

Hazelcastunknown

Transparent

Google Cloud Dataflow–

Hazelcast✗

Integrations

Count

Google Cloud Dataflow3

Hazelcast1

Security

Gdpr

Google Cloud Dataflow–

Hazelcast✓

Scorecard

Google Cloud Dataflow–

Hazelcast4.2

Vulnerabilities

Google Cloud Dataflow–

HazelcastCount: 8 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.hazelcast%3Ahazelcast&per_page=100 · Last 12m: 0 · Max severity: CRITICAL

Reliability

Status page

Google Cloud Dataflow–

Hazelcast✓

Adoption

Dependent repos

Google Cloud Dataflow–

Hazelcast10,433

Github stars

Google Cloud Dataflow–

Hazelcast6,604

Package downloads weekly

Google Cloud Dataflow–

Hazelcast4,717

Activity

Commits last 30d

Google Cloud Dataflow–

Hazelcast71

Release

Cadence days

Google Cloud Dataflow–

Hazelcast15

History

Google Cloud Dataflow–

Hazelcast20 items

License

Spdx

Google Cloud Dataflow–

HazelcastApache-2.0

Language

Primary

Google Cloud Dataflow–

HazelcastJava

Capabilities

Feature-by-feature on the axes that matter for streaming analytics. “-” means undocumented, not absent.

Capability comparison for Streaming Analytics
Capability	Google Cloud Dataflow	Hazelcast
Capabilities
Processing model	-	-
Delivery guarantee	-	-
Streaming sql	-	-
Event time watermarks	-	-
Stateful processing	-	✓
Cdc support	-	-
Deployment model	-	-
Autoscaling	-	-
Connector breadth	-	-
Latency class	-	Sub second
Open source	-	✗
SOC2	-	-
Pricing model	-	-

Capabilities

Processing model

Google Cloud Dataflow-

Hazelcast-

Delivery guarantee

Google Cloud Dataflow-

Hazelcast-

Streaming sql

Google Cloud Dataflow-

Hazelcast-

Event time watermarks

Google Cloud Dataflow-

Hazelcast-

Stateful processing

Google Cloud Dataflow-

Hazelcast✓

Cdc support

Google Cloud Dataflow-

Hazelcast-

Deployment model

Google Cloud Dataflow-

Hazelcast-

Autoscaling

Google Cloud Dataflow-

Hazelcast-

Connector breadth

Google Cloud Dataflow-

Hazelcast-

Latency class

Google Cloud Dataflow-

HazelcastSub second

Open source

Google Cloud Dataflow-

Hazelcast✗

SOC2

Google Cloud Dataflow-

Hazelcast-

Pricing model

Google Cloud Dataflow-

Hazelcast-

What each one is

The product in its own terms, so the numbers below have context.

Google Cloud Dataflow

A unified data processing platform that supports real-time ETL, stream analytics, machine learning inference, and complex transformations using Apache Beam, running on Google Cloud infrastructure with automatic scaling.

Independently observed

Hazelcast

Leader

Hazelcast is a distributed data platform that provides real-time processing and continuous intelligence capabilities. It supports clustering and integrates with various frameworks and clients.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Google Cloud Dataflow

Pricing not documented yet.

Hazelcast

Leader

Quote-based

as of 2026-08-03verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Google Cloud Dataflow	Hazelcast
CLIPlatforms	-	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✗	✓
On-premiseDeployment	✗	✓

Platforms

CLI

Google Cloud Dataflow–

Hazelcast✓

Deployment

Cloud / SaaS

Google Cloud Dataflow✓

Hazelcast✓

Self-hosted

Google Cloud Dataflow✗

Hazelcast✓

On-premise

Google Cloud Dataflow✗

Hazelcast✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Google Cloud Dataflow

3 total

Apache Beam
Splunk
Google Cloud Notebooks

Independently observed

Hazelcast

Leader

2 total

Spring Integration
MongoDB

Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.