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CockroachDB

CockroachDB for Distributed SQL with Resilience and Scale

CockroachDB is a distributed SQL database that delivers strong consistency, horizontal scalability, and high availability. Designed to emulate the relational behavior of PostgreSQL while operating in a multi-region, cloud-native architecture, CockroachDB provides ACID guarantees, SQL support, and fault tolerance through replication and self-healing mechanisms.

How CockroachDB Works

CockroachDB combines distributed infrastructure with full SQL support to deliver strong consistency and availability. Its design ensures resilience without sacrificing performance.

PostgreSQL Compatibility with Distributed Architecture

CockroachDB supports PostgreSQL syntax, drivers, and tools, making it developer-friendly while running on a distributed infrastructure. Its shared-nothing architecture spreads data across nodes and geographic regions while maintaining consistency using the Raft consensus algorithm.

Every node is equal (peer-to-peer), and the system automatically handles rebalancing, failover, and geo-partitioning of data for locality-aware performance.

Transactions and Global Consistency

CockroachDB supports strongly consistent, distributed transactions. Its multi-version concurrency control (MVCC) and use of hybrid logical clocks (HLC) allow it to execute serializable transactions across multiple nodes while maintaining global consistency.

For applications requiring financial-grade integrity or globally available relational data, this makes CockroachDB an enterprise-grade solution.

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Use Simplyblock to ensure low-latency transactions, fast failover, and high availability with NVMe/TCP volumes in Kubernetes.
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Use Cases for CockroachDB

CockroachDB excels in applications where resilience, availability, and SQL compatibility are critical:

Key facts about cockroachdb

CockroachDB vs Traditional SQL Databases

Unlike monolithic relational databases, CockroachDB is purpose-built for distributed environments. It supports horizontal scaling, geographic distribution, and automatic recovery.

Comparison Table

Here’s how CockroachDB compares with traditional SQL databases:

FeatureCockroachDBPostgreSQLMySQL
ArchitectureDistributed, SQLCentralizedCentralized
Scale-OutYes (horizontal)LimitedLimited
SQL SupportPostgreSQL syntaxNativeNative
High AvailabilityBuilt-inManual setupManual setup
Cloud-Native ReadyYesPartialPartial

Storage Infrastructure and Performance

CockroachDB’s performance is tightly linked to the speed and reliability of its storage layer. Leveraging NVMe over TCP helps sustain transactional speed at scale.

Optimizing CockroachDB with NVMe over TCP

To maintain low-latency, high-throughput transactional performance, CockroachDB benefits from fast storage. Using NVMe over TCP allows data to move efficiently across distributed clusters without needing specialized RDMA networks.

Deploying CockroachDB on simplyblock’s™ NVMe-TCP storage platform provides:

CockroachDB on Kubernetes and in Hybrid Clouds

CockroachDB is Kubernetes-native, with official Helm charts and an operator. When paired with simplyblock Kubernetes-native storage, you get:

This makes it ideal for edge deployments where fast failover, consistent performance, and automatic recovery are critical.

What is NVMe over TCP?

Kubernetes Storage Concepts

Our Technology

What is PostgreSQL?

What is TimescaleDB?

CockroachDB Official SiteWikipedia: CockroachDB

CockroachDB Kubernetes Operator

Cloud-Native Database Architectures

Questions and Answers

What is CockroachDB used for?

CockroachDB is a distributed SQL database designed for cloud-native applications that need horizontal scalability, strong consistency, and high availability. It’s used in fintech, SaaS, and global applications where zero downtime and global distribution are critical.

Does NVMe over TCP help CockroachDB scale better?

Yes, NVMe over TCP reduces storage latency and boosts IOPS, which is crucial for CockroachDB’s replication and consistency mechanisms. It enables better performance in multi-region or high-throughput deployments.

Can I run CockroachDB on Kubernetes with persistent storage?

CockroachDB is fully compatible with Kubernetes. Using Simplyblock’s CSI-based NVMe storage ensures high-performance volumes with encryption, snapshots, and multi-tenant capabilities for cloud-native stateful services.

How to encrypt CockroachDB data at rest?

CockroachDB offers native encryption, but for added isolation and control, storage-level encryption with Simplyblock ensures each volume can be secured individually with its own key, ideal for regulated environments.

Why use NVMe for distributed SQL databases like CockroachDB?

Distributed databases like CockroachDB benefit from NVMe storage due to its high throughput and low latency. It helps reduce consensus overhead, speeds up transactions, and ensures better performance at scale.