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Databases · head to head

Apache Flink vs SolarWinds

Apache Flink logo

Apache Flink

Databases

Stateful stream processing at scale

From
Free
Rated
-
Full reviewWebsite
S

SolarWinds

Energy

Solar asset performance monitoring and management

From
$2/kW/month
Rated
-
Full review

The short version

  • Only Apache Flink has a free tier, so it costs nothing to try first.
  • Each has a real cost: Apache Flink genuinely difficult: event time, watermarks and state backends are a real conceptual load before anything works; SolarWinds website uses outdated NetObjects Fusion 2015 tools, suggesting legacy technical infrastructure
  • They diverge on capability: Apache Flink covers Event-time processing, SolarWinds covers Real-time monitoring.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Apache Flink and SolarWinds actually diverge.

Attributes where Apache Flink and SolarWinds differ
AttributeApache FlinkSolarWinds
Starting priceFree$2/kW/month
Pricing modelOpen source, no licence fee; managed services billed separatelysubscription
Free tierYesNo
PlatformsLinux, Kubernetes, Docker, Self-hostedWeb, Mobile, Api
CategoryDatabasesEnergy
FoundedUnknown2015

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Apache Flink

  • Event-time processing
  • Exactly-once state
  • Batch and stream
  • SQL interface

Only in SolarWinds

  • Real-time monitoring
  • Performance analytics
  • Alarm management
  • O&M workflows
  • Reporting
  • Benchmarking
  • Weather integration
  • Financial tracking

What people use each for

The jobs each tool is most often brought in to do.

Apache Flink

  • Real-time aggregations and dashboards computed over an event streamnot SolarWinds
  • Fraud and anomaly detection where patterns span a time windownot SolarWinds
  • Joining two live streams where events arrive out of ordernot SolarWinds

SolarWinds

  • Solar monitoringnot Apache Flink
  • Performance optimizationnot Apache Flink
  • O&M managementnot Apache Flink
  • Portfolio reportingnot Apache Flink
  • Investor reportingnot Apache Flink

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Apache Flink

  • Genuinely difficult: event time, watermarks and state backends are a real conceptual load before anything works
  • Operationally heavy — job managers, task managers, checkpoint storage and state size are all yours to run and tune
  • State grows with the workload, and large state changes recovery time and cost significantly
  • Overkill where a scheduled batch job would answer the same question

SolarWinds

  • Website uses outdated NetObjects Fusion 2015 tools, suggesting legacy technical infrastructure
  • No specific product models, brands, or technical specifications listed for offered solutions
  • Geographic service area boundaries unclear; only mentions San Francisco Bay Area and Central California
  • Minimal customer engagement features; lacks testimonials, project galleries, financing calculators, or online quote forms
  • Email contact discrepancy between display text ([email protected]) and actual mailto link ([email protected])

Pricing, plan by plan

Apache Flink

Free
  • Apache FlinkFree
    • Full functionality
    • Self-hosted
    • No usage limits

SolarWinds

$2/kW/month
  • Monitor$2/kW/month
    • Real-time monitoring
    • Performance tracking
    • Alerts
  • Optimize$4/kW/month
    • Advanced analytics
    • Degradation analysis
    • Benchmarking
  • Enterprise$undefined/custom
    • Portfolio management
    • Custom integrations
    • Financial modeling

Which should you pick?

Choose Apache Flink if

  • You need event-time processing.
  • You want to start without paying.
  • You work on Linux, Kubernetes, Docker, Self-hosted.
  • You also want exactly-once state.
Apache Flink review

Choose SolarWinds if

  • You need real-time monitoring.
  • You work on Web, Mobile, Api.
  • You also want performance analytics.
SolarWinds review

Questions people ask

Is Apache Flink or SolarWinds better?
Neither clearly leads. Apache Flink starts at Free and SolarWinds at $2/kW/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Apache Flink or SolarWinds?
Apache Flink has a free tier; the other does not. Paid plans start at Free for Apache Flink and $2/kW/month for SolarWinds.
Does Apache Flink or SolarWinds run on more platforms?
Apache Flink runs on Linux, Kubernetes, Docker, Self-hosted. SolarWinds runs on Web, Mobile, Api.
Can I use Apache Flink for free?
Yes. Apache Flink has a free tier, so you can try it without paying. SolarWinds starts at $2/kW/month.
What is Apache Flink best used for?
Apache Flink is most often used for real-time aggregations and dashboards computed over an event stream, fraud and anomaly detection where patterns span a time window, joining two live streams where events arrive out of order. Of those, real-time aggregations and dashboards computed over an event stream and fraud and anomaly detection where patterns span a time window are not what SolarWinds is typically brought in for.
What can Apache Flink do that SolarWinds cannot?
Apache Flink covers Event-time processing, Exactly-once state, Batch and stream, SQL interface. SolarWinds covers Real-time monitoring, Performance analytics, Alarm management, O&M workflows.

Answered from the vendors’ own pages

Apache Flink: Is Apache Flink free?

Yes, open source under the Apache Software Foundation. Managed services such as Amazon Managed Service for Apache Flink are billed separately.

SolarWinds: What geographic areas does SolarWinds Energy serve?

SolarWinds Energy serves the San Francisco Bay Area and Central California regions, but the exact service area boundaries are not clearly defined on their website.

Source
Apache Flink: Flink or Kafka?

They are complementary rather than alternatives. Kafka moves and stores events; Flink computes over them with windowing, joins and durable state.

SolarWinds: What solar and renewable products does SolarWinds Energy offer?

SolarWinds Energy specializes in energy efficiency and renewable technologies including solar energy systems and attic ventilation solutions, but specific product models and technical specifications are not published online.

Source
Apache Flink: What is event-time processing?

Computing based on when an event actually occurred rather than when it arrived. It is what makes results correct when data is late or out of order, and it is the main reason Flink is harder than it looks.

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