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Comparison · Infra & APIs

Clair vs Logstash

A side-by-side editorial comparison of Clair and Logstash — release velocity, themes, recent moves, and the top alternatives to consider.

Clair vs Logstash: at a glance

FeatureClairLogstash
SectorInfra & APIsInfra & APIs, Analytics
Velocity score2.53.3
Sparks · 30d00
Top themescontainer-security, vulnerability-scanning, sbom, red-hatobservability, elastic-stack, ingest-pipeline, performance
Last editorial update8h ago6mo ago
WebsiteVisit →Visit →

What is Clair?

Clair 4.10 RC can read SBOMs to match Java vulnerabilities.

Clair cut its first 4.10.0 release candidate on November 13, eleven months after 4.9.0. Its Java indexers can now read CycloneDX SBOM files and treat them as the source of truth, and Red Hat's VEX data now covers Maven advisories, so Java packages in Red Hat images can be matched. It also reduces memory use when many packages share a source package.

Read the full Clair trajectory →

What is Logstash?

PQ compression and ES|QL preview land while weekly plugin churn drives the release cadence.

Logstash is in a steady maintenance phase across the 9.0–9.3 lines, with most weekly releases dominated by plugin dependency bumps (Netty, Avro, kotlin-stdlib) and small fixes. The substantive 9.x work — Persistent Queue compression via ZSTD, batch-size metrics, and ES|QL support in Technical Preview for the Elasticsearch input/filter — represents real capability gains for operators tuning throughput and storage. Security and credential-handling hygiene (sasl_jaas_config redaction, encoded API-key formats) shows up consistently across plugin updates.

Read the full Logstash trajectory →

Clair vs Logstash: editorial side-by-side

C
Clair
INFRA · APIS
2.5

Clair 4.10 RC can read SBOMs to match Java vulnerabilities.

◆ Current state

Clair cut its first 4.10.0 release candidate on November 13, eleven months after 4.9.0. Its Java indexers can now read CycloneDX SBOM files and treat them as the source of truth, and Red Hat's VEX data now covers Maven advisories, so Java packages in Red Hat images can be matched. It also reduces memory use when many packages share a source package.

◆ Where it's heading

Since 4.8 Clair has moved from Red Hat's older OVAL data to VEX, and each release follows Red Hat's security data more closely. 4.10 adds SBOMs as an input, so Clair can match what an image's own manifest declares, not only what it finds on disk.

◆ Prediction

More 4.10 release candidates and then a final are likely; the long gap between releases suggests that could take weeks.

Logstash logo
Logstash
INFRA · APISANALYTICS
3.3

PQ compression and ES|QL preview land while weekly plugin churn drives the release cadence.

◆ Current state

Logstash is in a steady maintenance phase across the 9.0–9.3 lines, with most weekly releases dominated by plugin dependency bumps (Netty, Avro, kotlin-stdlib) and small fixes. The substantive 9.x work — Persistent Queue compression via ZSTD, batch-size metrics, and ES|QL support in Technical Preview for the Elasticsearch input/filter — represents real capability gains for operators tuning throughput and storage. Security and credential-handling hygiene (sasl_jaas_config redaction, encoded API-key formats) shows up consistently across plugin updates.

◆ Where it's heading

The product is consolidating its role as the configurable ingest tier of the Elastic stack rather than chasing new categories. Investment is concentrated on operational efficiency — PQ compression, average batch metrics, JDBC concurrency lifts — and on tightening integration with newer Elasticsearch capabilities like ES|QL. Plugin maintenance burden is high but treated as first-class, suggesting the team has accepted the long tail of integrations as the durable surface area.

◆ Prediction

Expect ES|QL support to graduate from Technical Preview to GA in the next minor, and PQ compression to become the default once the rollback-barrier risk has aged out. Watch for further telemetry surfaces aimed at sizing — the batch-metrics work points toward a guided-tuning story.

Alternatives to Clair and Logstash

Other Infra & APIs products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Clair or Logstash.

See all Clair alternatives → · See all Logstash alternatives →

Recent activity from Clair and Logstash

Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.

  1. 13h agoClairClair 4.10 RC reads CycloneDX SBOMs for Java matching
  2. 7mo agoLogstashRelease notes index update (no shipped change)
  3. 7mo agoLogstashKafka Output regression fixed for sasl_jaas_config
  4. 7mo agoLogstashSecurity advisories pointer for 9.3.3
  5. 7mo agoLogstashElasticsearch Output - 12.1.3
  6. 7mo agoLogstashLogstash seizes 9.x: PQ compression, batch metrics, ES|QL preview ⚡
  7. 7mo agoLogstashAzure_event_hubs Input - 1.5.5
  8. 11mo agoClairClair 4.9 moves CVSS data to NVD's 2.0 feeds
  9. 2y agoClairClair 4.8 replaces Red Hat OVAL data with VEX
  10. 2y agoClairClair 4.7.4 changes the default layer download location
  11. 2y agoClairClair 4.7.3 requires TLS 1.2 or newer
  12. 3y agoClairClair 4.7.2 drops the retired CRDA source

Frequently asked questions

What is the difference between Clair and Logstash?

They serve adjacent needs but don't currently overlap on shipped themes. Logstash is currently shipping more aggressively (velocity 3.3 vs 2.5), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.

Is Clair better than Logstash?

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Logstash is currently shipping more aggressively (velocity 3.3 vs 2.5), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Infra & APIs products to evaluate alongside.

What are the best alternatives to Clair?

Top Clair alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Clair alternatives" section above for the current picks, or visit /alternatives/clair for the full list with editorial commentary on each.

What are the best alternatives to Logstash?

Top Logstash alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Logstash alternatives" section above for the current picks, or visit /alternatives/logstash for the full list with editorial commentary on each.