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Reuse string on TSDB labels set

3

## Proposal Hi All, Have we already though about "string interning" on the TSDB labels ([lset](https://github.com/prometheus/prometheus/blob/fba20567c0301d48361959a87aefa7d2e0c72815/tsdb/head.go#L1518))? Looking at the memory profile on cortex seems that most of the memory is...

alanprot

This PR adds the LoadBalancerIP for discovered services of type LoadBalancer to the service metadata labels. **Use case example:** To check the function of a Loadbalancer the Blackbox exporter can...

karlpip

### What did you do? We are running prometheus in an AWS EKS cluster via the prometheus-community Helm chart for prometheus. From https://github.com/prometheus-community/helm-charts/releases/tag/prometheus-15.12.0 with Prometheus Version: v2.37.0 (patched) Configure Service...

Kardi5

### What did you do? run the command: make assets-compress ### What did you expect to see? _No response_ ### What did you see instead? Under which circumstances? \>\> compressing...

baoguangya

Append metadata to the WAL in the scrape loop

14

Signed-off-by: Paschalis Tsilias ## Changes We've recently merged support for Metadata in the TSDB on https://github.com/prometheus/prometheus/commit/d1122e0743b3b0a5816bd4f5f7f8255b286f325f. This PR uses a feature flag for enabling the scrape loop to detect changes...

tpaschalis

labels.Labels: reduce memory by storing as a single string

46

Doc with background info: [link](https://docs.google.com/document/d/1fXrPI2kr-jUvkF9JkkA7aPk7UQYTG9Yvk6A-fSinqEU/edit?usp=sharing). This PR builds on #10887. Structurally, #10887 sets up all the changes to dependencies on labels.Labels, and this PR changes only the implementation in `model/labels/labels.go`....

bboreham

Old Kubernetes SD endpoints are still "discovered" and scraped despite no longer existing

22

**What did you see instead? Under which circumstances?** We have an alert that can fire when a target cannot be scraped. This began firing, and upon inspection, the target did...

jutley

The application program and Prometheus are decoupled. The application program can dynamically modify the alarm rule configuration. Otherwise, I have to manually modify the local file to update the alarm...

shenzgang

## Proposal I hope remote read can support Matcher like federation . (sorry for my poor english) It will help prometheus help route remote read better . ### use case...

wangjc0216

Head series limit

4

prymitive