cluster stability

Tencent Cloud Developer

Dec 8, 2021 · Cloud Native

Using Tencent Cloud EKS Virtual Nodes to Solve CronJob Isolation and Scheduling Challenges

By offloading thousands of short‑lived CronJob pods to Tencent Cloud EKS serverless virtual nodes, Zuoyebang isolated them from online services, eliminated IP waste, achieved millisecond‑level parallel scheduling and sub‑3‑second startup, freed 10 % of cluster resources and cut scheduling costs by roughly 70 % while markedly improving cluster stability.

Cloud NativeCronJobKubernetes

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Using Tencent Cloud EKS Virtual Nodes to Solve CronJob Isolation and Scheduling Challenges

Ops Development Stories

Sep 9, 2021 · Cloud Native

Prevent Kubernetes Cluster Collapse: Master Node Allocatable & Resource Reservations

This article explains how Kubernetes nodes schedule pods based on total capacity, why lacking resource reservations can cause node failures and cluster avalanches, and provides step‑by‑step guidance on configuring Node Allocatable, kube‑reserved, system‑reserved, and eviction settings to ensure stable cluster operation.

KubernetesNode Allocatablecluster stability

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Prevent Kubernetes Cluster Collapse: Master Node Allocatable & Resource Reservations

Big Data Technology Architecture

Jun 1, 2019 · Big Data

Impact of Excessive HBase Partitions and How to Calculate Reasonable Region Numbers

The article explains how excessive HBase partitions can cause frequent flushes, compaction storms, high memory usage, long master assignment times, and reduced MapReduce concurrency, and provides formulas and guidelines for calculating a reasonable number of regions per RegionServer.

HBaseMemstorePerformance

0 likes · 8 min read

Impact of Excessive HBase Partitions and How to Calculate Reasonable Region Numbers