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feat(container): update image ghcr.io/dragonflydb/dragonfly ( v1.37.2 ➔ v1.38.0 )#4473

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feat(container): update image ghcr.io/dragonflydb/dragonfly ( v1.37.2 ➔ v1.38.0 )#4473
rodent1 merged 1 commit intomainfrom
renovate/ghcr.io-dragonflydb-dragonfly-1.x

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@ro-bott ro-bott bot commented Apr 14, 2026

This PR contains the following updates:

Package Update Change
ghcr.io/dragonflydb/dragonfly minor v1.37.2v1.38.0

Release Notes

dragonflydb/dragonfly (ghcr.io/dragonflydb/dragonfly)

v1.38.0

Compare Source

Dragonfly v1.38.0

This release is a major one with lots of significant improvements and stability fixes.
It may behave differently due to changes in its core data structures.
We worked hard to avoid any regressions so please let us know if you observe degradation around item expiry behavior, replication or backups.

Important stability fixes and changes:

Top-K command family (TOPK.*): RedisBloom-compatible heavy-hitter sketch with
RDB persistence. (#​6920, #​6931, #​6932, #​6950)

Count-Min Sketch family (CMS.*): Full CMS with INITBYDIM, INITBYPROB,
INCRBY, QUERY, MERGE, INFO. RDB persistence. (#​6867, #​6888, #​6896, #​6897)

~26% memory reduction for TTL workloads: Expire table eliminated, expiry embedded
in CompactKey via SDS_TTL_TAG. 10M keys: 900 MB -> 665 MB. (#​6923, #​6925, #​6933)

HTTL command: Returns remaining TTL for specific hash fields. (#​6879)

VECTOR_RANGE search: Radius-based vector similarity queries in FT.SEARCH and
FT.AGGREGATE for both FLAT and HNSW indexes, with optional YIELD_DISTANCE_AS.
(#​6880, #​6898, #​6938)

FT.AGGREGATE: FILTER, APPLY, DIALECT, KNN: Full expression-based filtering,
computed fields, dialect selection, and KNN steps in the aggregation pipeline.
(#​6968, #​6982, #​7066)

Smarter KNN prefilter: Falls back to brute-force scan when prefilter result set
is small. (#​6730)

Replica expired-key deletion: Replicas proactively delete expired keys on reads.
--replica_delete_expired (default true). (#​6985)

New Prometheus metrics: Pipeline latency histogram (dragonfly_pipeline_latency_seconds),
TLS handshake counter (tls_handshakes_total), stream access patterns
(stream_accesses_total), pipeline blocking counter. (#​6688, #​7015, #​6767, #​6685)

EKS Pod Identity for S3: AWS credential chain supports EKS Pod Identity and ECS
task roles. (#​6917)

Early TLS filter and TCP_DEFER_ACCEPT: Drops zombie connections at OS level before
allocating fiber/OpenSSL state. (#​6857)

Memcached io_loop_v2 enabled by default*: Async I/O with deferred replies. (#​6700)

Incremental SBF replication: Scalable Bloom Filter chunks flushed incrementally,
bounding peak memory. (#​7034)

What's Changed
Huge thanks to all the contributors! ❤️
New Contributors

Full Changelog: dragonflydb/dragonfly@v1.37.0...v1.38.0


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@ro-bott ro-bott bot added renovate/container type/minor area/kubernetes Changes made in the kubernetes directory labels Apr 14, 2026
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ro-bott bot commented Apr 14, 2026

--- kubernetes/apps/database/dragonfly/cluster Kustomization: database/dragonfly-cluster Dragonfly: database/dragonfly

+++ kubernetes/apps/database/dragonfly/cluster Kustomization: database/dragonfly-cluster Dragonfly: database/dragonfly

@@ -17,13 +17,13 @@

   env:
   - name: MAX_MEMORY
     valueFrom:
       resourceFieldRef:
         divisor: 1Mi
         resource: limits.memory
-  image: ghcr.io/dragonflydb/dragonfly:v1.37.2
+  image: ghcr.io/dragonflydb/dragonfly:v1.38.0
   replicas: 3
   resources:
     limits:
       memory: 512Mi
     requests:
       cpu: 30m

@rodent1 rodent1 merged commit 027788e into main Apr 14, 2026
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@rodent1 rodent1 deleted the renovate/ghcr.io-dragonflydb-dragonfly-1.x branch April 14, 2026 15:10
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