Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

5.1K stars 792 forks 5.1K watchers Go GNU Affero General Public License v3.0
metrics observability opentelemetry otlp prometheus tsdb
30 Open Issues Need Help Last updated: Jul 1, 2026

Open Issues Need Help

View All on GitHub
enhancement help wanted ingest-storage

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb
bug good first issue

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb
bug good first issue helm

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb
enhancement good first issue ingest-storage

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb
enhancement good first issue component/mimirtool

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb
enhancement help wanted storage/gcs

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb
enhancement help wanted component/ruler

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb
bug good first issue component/mimirtool

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb
help wanted storage/blocks component/compactor hacktoberfest type/tests

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb
enhancement good first issue ingest-storage

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb
enhancement good first issue helm

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb
help wanted type/docs ingest-storage

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb
enhancement good first issue helm

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb

AI Summary: The `meta.json` file, which is used by the `undelete-blocks` tool to restore block files, currently omits the sparse index header. This issue proposes including the sparse index header in `meta.json` to ensure all block-related files are properly tracked and prevent future confusion or restoration problems.

Complexity: 2/5
good first issue component/compactor component/store-gateway

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb
enhancement good first issue

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Go
#metrics#observability#opentelemetry#otlp#prometheus#tsdb