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OpenSearch vs Apache Solr

Side-by-side comparison of OpenSearch and Apache Solr. Data-driven analysis for CTOs and engineering leaders.

Technical Profile

OpenSearch

Scalability
very high
Performance
very high
Learning Curve
moderate
Maturity
stable
Languages: Java

Apache Solr

Scalability
very high
Performance
high
Learning Curve
steep
Maturity
mature
Languages: Java

When to Use

OpenSearch

  • +Open source search
  • +Log analytics
  • +AWS preference

Avoid OpenSearch when

  • -Need ES compatibility
  • -Simple search

Apache Solr

  • +Existing Solr infrastructure
  • +Enterprise search

Avoid Apache Solr when

  • -New projects
  • -Modern search needs

Compliance & Security

OpenSearch

SOC 2GDPRHIPAAPCI-DSS

Security Features

EncryptionAudit LogsRBACMFA

Apache Solr

SOC 2GDPRHIPAAPCI-DSS

Security Features

EncryptionAudit LogsRBACMFA

Operations

OpenSearch

Maintenance
high
Monitoring
high
Backup/Recovery
moderate
Hosting: self-hosted, cloud

Apache Solr

Maintenance
high
Monitoring
high
Backup/Recovery
moderate
Hosting: self-hosted

Frequently Asked Questions

How does scalability compare between OpenSearch and Apache Solr?

OpenSearch offers very-high scalability, while Apache Solr offers very-high scalability. Consider your expected traffic and data volume when choosing.

Which has the easier learning curve: OpenSearch or Apache Solr?

OpenSearch has a moderate learning curve, while Apache Solr has a steep learning curve. Factor in your team's existing skills and onboarding timeline.

What are the pricing differences between OpenSearch and Apache Solr?

OpenSearch uses a free pricing model with a free tier. Apache Solr uses a free pricing model with a free tier. Evaluate total cost of ownership including operational overhead.

Which option is better for compliance: OpenSearch or Apache Solr?

OpenSearch supports SOC 2, GDPR, HIPAA, PCI-DSS. Apache Solr supports SOC 2, GDPR, HIPAA, PCI-DSS. Always verify current certifications directly with the vendor.

Need help deciding between OpenSearch vs Apache Solr?

Use our interactive decision tool for a personalized recommendation.

OpenSearch vs Apache Solr — CTO Technology Comparison | The Art of CTO