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Aerospike 4.5.2: Relaxed Consistency for Increased Availability

Blog post from Aerospike

Post Details
Company
Date Published
Author
Srini Srinivasan
Word Count
1,608
Company Posts That Month
2
Language
English
Hacker News Points
-
Post removed?
No
Summary

Aerospike 4.5.2, released on April 1st, 2019, introduces relaxed consistency for increased availability. This version allows reads from replicas in certain situations to improve performance and reduce costs. The release adds two new relaxed consistency modes: "allow replica" and "allow unavailable." These modes can cause session consistency violations but are beneficial in specific scenarios such as unexpected node crashes during transactions or node splits across racks spanning datacenters or availability zones. Users should carefully consider if certain read consistency violations are acceptable for their applications before using these relaxed consistency modes.

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