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A horizontally scalable, highly available, multi-tenant, long term Prometheus.

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**Describe the bug** With Cortex in multi-tenant mode, when using tenants with particular characters there is an inconsistency in the folder's naming. In the tsdb folder (-blocks-storage.tsdb.dir) the folder for...

type/bug

**What this PR does**: Implements weak and strong quorum in ListRules and ListAlerts to support HA in rulers. (from PR #4758) > ListRules/ListAlerts will return inconsistent responses while a new...

size/XXL

**What this PR does**: `ruler/rule_groups` api returns unnecessary fields. This pr fixes that issue. Before fix: ``` > curl http://localhost:9009/ruler/rule_groups fake: rules.yaml: - name: blah interval: 1m rules: - record:...

size/M

fixed s3 access for ruler to use assumerolewithwebidentity in an IRSA setup on AWS This PR includes some code to use assume role with web identity and utilize standard env....

size/M

When deploying two different sets of ingesters with different names the calculation of quorum is not working as expected. We had an incident last night with our cortex production deployment...

stale

**Is your feature request related to a problem? Please describe.** Document how to migrate from mimir into cortex **Describe the solution you'd like** A documentation explaining step by step how...

component/documentation

Hi! Could you please put the information about supported architectures to the documentation please? E.e. about supported architectures for different operating systems, some specific requirements to the supported instructions, if...

component/documentation
keepalive
good first issue

**Is your feature request related to a problem? Please describe.** Currently the Ruler's `ReplicationFactor` is [hardcoded](https://github.com/cortexproject/cortex/blob/master/pkg/ruler/ruler_ring.go#L99) to 1. Running each rule groups in a single ruler cause some problems as...

stale

**What this PR does**: The original splitQuery add a gap(step) between boundaries, in my point of view, we may lose some data points because of this. We should strictly align...

size/S

Ref.: https://www.cve.org/CVERecord?id=CVE-2022-24687 I'm not entirely sure whether cortex uses consul's Ingress Gateway feature, but I found several uses of IngressGateway inside the `github.com/hashicorp/consul/api` module, so I think it's a good...

stale