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Aikesheng Open Source Community

Mar 27, 2025 · Databases

MySQL Replication Failure Analysis: Error 1594 and Relay Log Corruption

This article analyzes a MySQL master‑slave replication failure where the SQL thread stopped with error 1594, detailing log inspection, CRC checks, relay‑log corruption, root‑cause identification, and step‑by‑step remediation procedures for restoring replication.

CRCError 1594MySQL

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MySQL Replication Failure Analysis: Error 1594 and Relay Log Corruption

macrozheng

Jun 11, 2021 · Backend Development

How a Faster CRC-64 Boosted Redis Performance: The CRCSpeed Story

An in‑depth look at how mattsta’s CRCSpeed implementation replaced Redis’s original CRC algorithm, delivering up to four‑fold speed gains, the history of its development from 2014 to its 2020 integration, and the performance impact on RDB generation and cluster slot hashing.

AlgorithmBackend DevelopmentCRC

0 likes · 14 min read

How a Faster CRC-64 Boosted Redis Performance: The CRCSpeed Story