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Alibaba Cloud Native
Alibaba Cloud Native
Apr 5, 2022 · Cloud Native

How Memory QoS Boosts Container Performance in Cloud‑Native Kubernetes

This article explains the memory challenges of containers in cloud‑native Kubernetes environments, describes how Kubernetes maps Request/Limit to cgroups, outlines the limitations of overcommit and mixed workloads, and details Alibaba Cloud Linux 2's Memory QoS features—including memory.min, memory.high, async reclaim, and global water‑mark adjustments—that improve fairness and latency, supported by Redis benchmark results.

Alibaba CloudCloud NativeContainer Memory
0 likes · 17 min read
How Memory QoS Boosts Container Performance in Cloud‑Native Kubernetes
Ops Development Stories
Ops Development Stories
Aug 12, 2021 · Cloud Native

What’s New in Kubernetes 1.22? Key Features, Deprecations, and Upgrade Guide

Kubernetes 1.22, released on August 4, introduces major changes including removal of numerous deprecated APIs, a new Pod Security Admission controller, GA of client‑go credential plugins, Server‑Side Apply, enhanced memory QoS, Windows HostProcess containers, and updates to the release cycle and many other features.

1.22API deprecationKubernetes
0 likes · 11 min read
What’s New in Kubernetes 1.22? Key Features, Deprecations, and Upgrade Guide