--- title: "#consistency articles | Hashnode" description: "Explore 200 articles tagged #consistency on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/consistency" --- Tag # #consistency 200 posts · 7 followers [Sarmeet Singh](https://hashnode.com/@blueprintsofscale) · [Nov 2](https://hashnode.com/posts/same-data-different-answers-consistency-explained-like-you-re-new/6ae846af6694427f0f10e457) ### [Same Data, Different Answers: Consistency, Explained Like You're New](https://blueprintsofscale.hashnode.dev/same-data-different-answers-consistency-explained-like-you-re-new?utm_source=hashnode&utm_medium=feed) You change your display name. The page says saved. You refresh, and the old name is back. You refresh again, and the new name returns. Nothing crashed. No one else edited your profile. The database si 39 min read · [blueprintsofscale.hashnode.dev](https://blueprintsofscale.hashnode.dev/same-data-different-answers-consistency-explained-like-you-re-new?utm_source=hashnode&utm_medium=feed) [RONI DAS](https://hashnode.com/@ronidas) · [Jul 20](https://hashnode.com/posts/designing-a-payment-system-that-never-loses-a-cent-mrsm1ka5/6a5d88faba60d2eb7d9baca8) ### [Designing a payment system that never loses a cent](https://systemdesignacademy.hashnode.dev/designing-a-payment-system-that-never-loses-a-cent-mrsm1ka5?utm_source=hashnode&utm_medium=feed) Payments are where "mostly works" is not good enough, because a duplicate charge or a lost transfer is a real person's money. This is a look at idempotency, the ledger, and the state machine that keep money correct under failure. 5 min read · [systemdesignacademy.hashnode.dev](https://systemdesignacademy.hashnode.dev/designing-a-payment-system-that-never-loses-a-cent-mrsm1ka5?utm_source=hashnode&utm_medium=feed) [RONI DAS](https://hashnode.com/@ronidas) · [Jul 20](https://hashnode.com/posts/designing-a-payment-system-that-never-loses-a-cent/6a5d885169b31f7107764cc3) ### [Designing a payment system that never loses a cent](https://systemdesignacademy.hashnode.dev/designing-a-payment-system-that-never-loses-a-cent?utm_source=hashnode&utm_medium=feed) Payments are where "mostly works" is not good enough, because a duplicate charge or a lost transfer is a real person's money. This is a look at idempotency, the ledger, and the state machine that keep money correct under failure. 5 min read · [systemdesignacademy.hashnode.dev](https://systemdesignacademy.hashnode.dev/designing-a-payment-system-that-never-loses-a-cent?utm_source=hashnode&utm_medium=feed) [Maverick](https://hashnode.com/@maverick48) · [Jul 13](https://hashnode.com/posts/eventual-consistency-pitfalls/6a54daeafdc2a5126e4c4cbd) ### [Eventual Consistency Pitfalls](https://jyanshu.hashnode.dev/eventual-consistency-pitfalls?utm_source=hashnode&utm_medium=feed) Explore eventual consistency anomalies in distributed systems. Learn mitigation strategies for stale reads, lost updates, and data conflicts. 17 min read · [jyanshu.hashnode.dev](https://jyanshu.hashnode.dev/eventual-consistency-pitfalls?utm_source=hashnode&utm_medium=feed) [Navya](https://hashnode.com/@naveeeya) · [Jul 10](https://hashnode.com/posts/log-6-week-3-4-towards-milestone-2/6a50743e800f25d3da14a345) ### [LOG-6 Week 3 &4: " Towards Milestone 2.."](https://navyakhannahashnodedev.hashnode.dev/log-6-week-3-4-towards-milestone-2?utm_source=hashnode&utm_medium=feed) Yudhishthira- Weaker mindset and sluggish pace 6 min read · [navyakhannahashnodedev.hashnode.dev](https://navyakhannahashnodedev.hashnode.dev/log-6-week-3-4-towards-milestone-2?utm_source=hashnode&utm_medium=feed) [Abstract Algorithms](https://hashnode.com/@abstractalgorithms) · [Jul 2](https://hashnode.com/posts/saga-pattern-byte/6a45c4cea080e93540373b0f) ### [SAGA Pattern Compensations](https://abstractalgorithms.hashnode.dev/saga-pattern-byte?utm_source=hashnode&utm_medium=feed) Maintain eventual consistency across microservices with compensating transactions instead of 2PC. 1 min read · [abstractalgorithms.hashnode.dev](https://abstractalgorithms.hashnode.dev/saga-pattern-byte?utm_source=hashnode&utm_medium=feed) [Hossein Esmati](https://hashnode.com/@desmati) · [Jun 26](https://hashnode.com/posts/data-consistency-patterns-in-distributed-systems-and-net-core/6a3e64d015348f500bca85c1) ### [Data Consistency Patterns in Distributed Systems and .NET Core](https://nova-globen.hashnode.dev/data-consistency-patterns-in-distributed-systems-and-net-core?utm_source=hashnode&utm_medium=feed) This article is part of the Comprehensive Guide to Microservices Architecture in .NET Core, Cloud and Azure series. Comparison of Patterns Pattern Complexity Consistency Performance Use Case Tra 9 min read · [nova-globen.hashnode.dev](https://nova-globen.hashnode.dev/data-consistency-patterns-in-distributed-systems-and-net-core?utm_source=hashnode&utm_medium=feed) [Tuanhdotnet](https://hashnode.com/@tuananh8) · [May 11](https://hashnode.com/posts/reasons-ttl-alone-is-a-weak-cache-strategy-for-frequently-updated-business-data/6a019a9d5ce840c358fbff17) ### [Reasons TTL Alone Is a Weak Cache Strategy for Frequently Updated Business Data](https://tuanhnet.hashnode.dev/reasons-ttl-alone-is-a-weak-cache-strategy-for-frequently-updated-business-data?utm_source=hashnode&utm_medium=feed) A deep technical look at why relying only on time-to-live (TTL) is often insufficient for caching business data that changes frequently. Covers failure modes, performance trade-offs, edge cases, and practical alternatives with detailed Java examp... 12 min read · [tuanhnet.hashnode.dev](https://tuanhnet.hashnode.dev/reasons-ttl-alone-is-a-weak-cache-strategy-for-frequently-updated-business-data?utm_source=hashnode&utm_medium=feed) [Tuanhdotnet](https://hashnode.com/@tuananh8) · [May 8](https://hashnode.com/posts/techniques-how-to-design-versioned-commands-so-retries-stay-safe-under-concurrent-modification/69fda622a6365f430bd2472c) ### [Techniques: How to design versioned commands so retries stay safe under concurrent modification?](https://tuanhnet.hashnode.dev/techniques-how-to-design-versioned-commands-so-retries-stay-safe-under-concurrent-modification?utm_source=hashnode&utm_medium=feed) A deep, practical guide on designing versioned command patterns that let automated retries remain safe in the face of concurrent updates. Covers optimistic compare-and-swap, idempotency envelopes, retry policies, distributed versioning, performan... 12 min read · [tuanhnet.hashnode.dev](https://tuanhnet.hashnode.dev/techniques-how-to-design-versioned-commands-so-retries-stay-safe-under-concurrent-modification?utm_source=hashnode&utm_medium=feed) [EJ Jung](https://hashnode.com/@ejjung) · [May 7](https://hashnode.com/posts/system-design-consistency-patterns-cap-theorem/69fd03b89f93a850a41de9b2) ### [Consistency Patterns + CAP Theorem](https://ejjung.hashnode.dev/system-design-consistency-patterns-cap-theorem?utm_source=hashnode&utm_medium=feed) 1\. Consistency Patterns 1.1. Strong Consistency After an update is made to the data, it will be immediately visible to any subsequent read operations. The data is replicated in a synchronous manner, 4 min read · [ejjung.hashnode.dev](https://ejjung.hashnode.dev/system-design-consistency-patterns-cap-theorem?utm_source=hashnode&utm_medium=feed)