Cortex Security Audit Results
Results of the Cortex third-party security audit targeting multi-tenant isolation and cluster operations, performed by Quarkslab and coordinated by OSTIF.
Project: Cortex
Introducing READONLY State: Gradual and Safe Ingester Scaling
Learn about Cortex’s new READONLY state for ingesters introduced in version 1.19.0 that enables gradual, safe scaling down operations without data loss or performance impact.
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Query Priority in Cortex
This article explores how the query priority can be used to improve availability and performance of critical queries.
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Efficient Query Parallelism in Cortex with Dynamic Query Splitting
This article explores the motivations behind adapting dynamic query splitting in Cortex, how the dynamic model works, and how to configure it for more efficient scalable PromQL query execution.
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Block the Blast: How Query Rejection Protects Your Cortex Cluster
Query rejection gives Cortex operators a last-resort safety net against disruptive queries that bypass resource limits. Learn how it works, how to configure it, and best practices to protect your multi-tenant cluster.
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Optimizing PromQL queries: A deep dive
This guide explains how Cortex evaluates PromQL queries, details how time series data is stored and retrieved, and offers strategies to write performant queries—particularly in high-cardinality environments.
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Introducing the Cortex Blog: Sharing Our Journey
Welcome to the Cortex blog! We’re excited to share updates, best practices, and community highlights around everything Cortex. Stay tuned for technical deep-dives, deployment strategies, and more.