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MetaFetcher singleflight.Group collides results without respecting arguments

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#14640 In grafana/mimir;

· andyasp opened on Mar 11, 2026

MetaFetcher in-memory cache unsafe with filters

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#14638 In grafana/mimir;

· andyasp opened on Mar 11, 2026

Handle additional selectors for narrow selectors optimisation in range vector splitting

Status: Open.

#14549 In grafana/mimir;

· fionaliao opened on Mar 3, 2026

Implement the split version of avg_over_time()

Status: Open.

#14548 In grafana/mimir;

· fionaliao opened on Mar 3, 2026

Idea: Recording rules backfill

component/ruler

enhancementNew feature or requestNew feature or request

Status: Open.

#14535 In grafana/mimir;

· Krashcan opened on Mar 2, 2026

Bug: [helm] ServiceMonitor job label duplicates namespace when scraped via OpenTelemetry Collector

bugSomething isn't workingSomething isn't working

Status: Open.

#14519 In grafana/mimir;

· jmickey opened on Feb 28, 2026

Ingesters can't recover from intermediate UNKNOWN_TOPIC_OR_PARTITION Kafka failures

bugSomething isn't workingSomething isn't working

ingest-storageKafka based ingest storage architectureKafka based ingest storage architecture

Status: Open.

#14516 In grafana/mimir;

· lukasgabriel opened on Feb 27, 2026

Idea: query sharding of native histogram trim operators

enhancementNew feature or requestNew feature or request

Status: Open.

#14491 In grafana/mimir;

· krajorama opened on Feb 25, 2026

Release Mimir 3.1.0

releaseRelease processRelease process

Status: Open.

#14392 In grafana/mimir;

· armandgrillet opened on Feb 17, 2026

Find safer alternatives to unchecked object pools across Mimir

enhancementNew feature or requestNew feature or request

Status: Open.

#14359 In grafana/mimir;

· tcard opened on Feb 13, 2026

[helm] Ingress routes to non-existent mimir-alertmanager service when zoneAwareReplication is enabled

bugSomething isn't workingSomething isn't working

helm

help wantedExtra attention is neededExtra attention is needed

Status: Open.

#14334 In grafana/mimir;

· dehimb opened on Feb 12, 2026

Idea: add compression before sending to kafka

enhancementNew feature or requestNew feature or request

good first issueGood for newcomersGood for newcomers

ingest-storageKafka based ingest storage architectureKafka based ingest storage architecture

Status: Open.

#14271 In grafana/mimir;

· ciantfv456 opened on Feb 8, 2026